Intelligence service)

DST double-shell tank

DSU data service unit (networking/telephony; Infoworld, 11/8/93)

DSV steam supply valve

DT detention time

DT deuterium and/or tritium

DT dynamic tear/test

D&T dehydration and transportation

DTA differential thermal analysis

DTC designated/division/directorate training coordinator

DTC Defense Trade Controls (office)

DTCSI Dynacorp Tri-Cities Services, Inc.

DTD document type description

DTE data terminal environment

DT&E demonstration, testing, and evaluation

D-Test destructive test

DTIC Defense Technical Information Center

DTIN DOE Technology Information Network

DTL design team leader

DTL drift-tube linac (linear accelerator)

DTMF dual-tone multifrequency (telecom.)

DTP desktop publishing

DTPA diethylenetrizmine-pentaacetic acid

DTR defense terrestrial reactor

DTRC David Taylor Research Center (Navy)

DTS differential temperature switch

DTS digital termination system (telecom.)

DTS digital tandem switch

DTS discharge test stand

DTSA Defense Technology Security Administration

DTT design thermal transient

DU - DZ

DU decision unit

DU depleted uranium

DUA directory user agent

DUBBS Dutch bulletin board service

DUNC deep underwater nuclear counting

DUOF Depleted Uranium Oxide Facility (OR)

DUSA designated uunclassified subject area(s)

DUV data under voice

DUVAS derivative ultraviolet absorption spectroscopy

DV delivery verification certificate

DVE digital video effect(s)

DVI digital video interactive (Intel)

DVI digital video interleaved

DVM digital voltmeter

DVO Diversity Office

DW dead weight

DW demineralized water

DW drywell

DWA down with acronyms

DWBM defense waste & byproducts management

DWEL drinking water equivalent level

DWG drawing (also Dwg.)

DWI driving while intoxicated

DWIA distortive wave impulse approximation (calculations)

DWMP defense waste management plan

DWPF defense waste processing facility

DWS drinking water standard

DWTF Decontamination and Waste Treatment Facility (LLNL)

DX direct expansion cooling system

DX Dynamic Experimentation Division, 10/93­

DXF data exchange format

DXT density times thickness

DYNA structural dynamics analysis

DYNA3D (Los Alamos structural dynamics code)

DZ dyzygotic

E Return to Alphabet

E (code for confidential restricted data)

E Electronics and Instrumentation Division, 1/72­?/8?

E exposure level

E Ordnance Division, 6/43­8/44

EA economic affairs

EA emergency activities (attendance code)

EA emergency/enforcement action

EA endangerment assessment

EA engineering analysis

EA environmental assessment (NEPA)

EA environmental auditing

EA exclusion area

EA experimental activities

E/A errata and addenda

EAA Export Administration Act

EAB environmental advisory board

EAB exclusion area boundary

EABP engineering as-built program (JCI)

EAC employee advisory council

EAC energy absorption capacity

EAC estimate at completion

EA&C environmental analysis & control

EACR Environmental Area Characterization Report

EACT emergency action & coordination team

EAD Energy and Air Division (EPA)

EAD executive assistant director

EAF electric arc furnace

EAF export authorization form

EAG Exposure Assessment Group (EPA)

EAL emergency action level

EAM embedded-atom model/method

EAO Economy Act Order

EAP employee assistance program

EAP evoked action potential

EAP experimental activity proposal

EAPRO employee assist. program referral option

EAR environmental auditing roundtable

EAR Ethics Advisory Review (panel)

EAR Export Administration Regulations

EARN European Academic Research Network

EARS environmental activities reporting system

EAS electronic authorization system

EAS essential auxiliary support

EAS extensive air shower

EAU evacuation alarm unit

EAW electrically aimable warhead

EB - ED

EB electron beam (also E-beam)

EB emissions balancing

EBCDIC extended binary coded decimal interchange code (characters)

EBCWF electron beam cold-wire feed (welding)

EBE evaluation basis event

EBF eccentric braced frames

EBIT electron beam ion trap (LLNL)

E-bone European backbone service

EBR electron beam recording

EBR-II Experimental Breeder Reactor II

EBS emergency broadcast system

EBS engineered barrier system

EBT electronic benefits transfer

EBW electron beam welding

EBW exploding bridgewire

EBWR experimental boiling water reactor

EC eddy current

EC effective concentration

EC electronically challenged

EC electronic commerce

EC emergency capability (weapon)

EC emergency cleanup

EC emergency coordinator

EC engineering change

EC European Community

EC expedited cleanup

EC explosives chemistry

ECA Earth-crossing asteroids

ECA electrical component assembly

ECAD electronic computer-aided design

ECAM environmentally conscious advanced manufacturing

ECAO Environmental Criteria & Assessment Office

ECC emergency control center

ECC emergency core cooling/coolant

ECC engineering change control

EC/C electrochemical/chemical (processing)

ECCM electronic counter-counterintelligence measure

ECCN Export Control Classification Number

ECCN export control commodity number

ECCO Employee Customer Concerns Office (QP)

ECCOS electronic card catalog & ordering system

ECCS emergency core cooling system

ECD effective cutoff diameter

ECD electrochemical decontamination/electrodecontamination

ECD electron capture detector/detection

ECD electron capture diameter

ECDC Energy Child Development Center (DOE)

E&CF events and causal factors

ECG electrochemical grinding

ECG Environmental Coordinating Group

ECG exercise control group (FEMA)

ECHH electro-catalytic hyper-heater

ECI export controlled information

ECL emergency cooling limits

ECL emitter-coupled logic

ECL environmental chemistry laboratory

ECM electrochemical milling/machining

ECM environmentally conscious manufacturing

ECM error correction mode

ECMA European Computer Manufacturers' Association

ECN Energy Research Foundation, Netherlands

ECN engineering change notice

ECO engineering change order

ECOD Export Control Operations Division (DOE)

ECP effective core potential

ECP engineering change proposal

ECP environmental compliance plan

ECP estimated critical position

ECP external compliance plan (EPA)

ECR effective cleaning radius

ECR engineering capability release

ECR engineering change request

ECRA Environmental Cleanup Responsibility Act

ECS emergency control station

ECS emergency cooling system

ECS experimental control system/station

ECSL enforcement compliance schedule letter

ECT evaporator condensate tank

ECTD Emission Control Technology Division (EPA, Ann Arbor, MI)

ECU Environmental Crimes Unit (DOJ)

ECUT energy conversion & utilization technology

ECW effluent cooling water

ECWD effluent cooling water drainage

ECWG export control working group

ECx experimental concentration-percent

ECX extrusion-cast explosive (fine-grain)

ed. edition

Ed. editor

ED effective dose

ED electron diffraction

ED employee development

ED emergency decontamination

ED enforcement division

ED exhaust damper

ED explosives development

EDA emergency declaration area

EDAX energy dispersive spectroscopy

EDB ethylene dibromide

EDBS external dosimetry badge system

EDC ethylene dichloride

EDD enforcement decision document

EDDC engineering document distribution chart

EDE effective dose equivalent

EDG emergency diesel generator

ED&I engineering design and inspection

EDIT explosion discrimination using ionospheric techniques

EDL economic discard limit

EDL edit decision list

EDM electric discharge machining (also electrodischarge machining)

EDP electronic data processing

EDRS enforcement document retrieval system

EDS Employee Development System

EDS energy dispersive spectroscopy

EDS engineering demonstration system

EDSAC electronic delay storage automatic calculator (1949)

EDTA ethylenediaminetetracetic acid

EDTA ethylenediaminetetra acetate

EDV electronic drawings vault

EDX energy dispersive x-ray

EDZ emission density zoning

EE - EI

EE electrical equipment/engineer

EE energy efficiency

EE energy and environment

EE engineering evaluation

EEC environmental evaluation coordinator

EEC European Economic Community

EE/CA engineering evaluation/cost analysis

EED electroexplosive device (construction)

EED emergency egress diagram

EED equipment engineering department

EED Exposure Evaluation Division (EPA)

EEFI essential elements of friendly information

EEG electro-encephalogram

EEG environmental evaluation group (WIPP, AL)

EEI Edison Electric Institute

EEI explosive, extremely insensitive

EELS electron energy loss spectroscopy

EEM eigenmode expansion method

EEM energy-efficient mortgage

EEM essential equipment monitor

EEM extrapolated endpoint method

EEMD/NV Engineering and Energy Management, Nevada Operations Office

EEMS enhanced expanded memory specification

EENET emergency education network (FEMA)

EEO equal employment opportunity

EEOC Equal Employment Opportunity Commission

EEOC equal employment opportunity council (became Work Force 2000

Council, spring 1992)

EEPAL electrically erasable programmable array logic

EER excess emission report

EERL Eastern Environmental Radiation Lab

EERU Environmental Emergency Response Unit

EES Earth and Environmental Science Division, 10/93­

EESI Environment & Energy Study Institute

EETFC Environmental Effects, Transport & Fate Committee

EEV English Electric Valve

EF emission factor

EF end fitting

EF exhaust fan

EFA event frequency analysis

EFDP end fitting delta pressure

EFF Electronic Frontier Foundation

EFI Enrico Fermi Institute

EFP explosively formed projectile

EFLA extended four-letter acronym

EFNS Educational Foundation for Nuclear Science

EFP explosively formed projectile/penetrator

EFS emergency feedwater system

EFSEC energy facility site evaluation council

EFTA European Free Trade Association

EFTC Europena Fluorocarbon Technical Committee

EG emergency generator

EG engine-generator

e.g. exempli gratia; for example

EGA enhanced graphics array (video)

EGA enhanced graphics adaptor

EGA evolved gas analysis

EGD Effluent Guidelines Division (EPA)

EG&G Edgerton, Germeshausen, and Grier, Inc.

EGL East Gate Laboratory Site (TA-19)

EGP experimental geodetic payload (Japan)

EGP exterior gateway protocol (telecom.)

EGR exhaust gas recirculation

EGRET energetic gamma ray experiment telescope

EGS emergency generator set

EGTF Electron Gun Test Facility

EH Assistant Secretary for Environment, Safety, and Health (DOE)

EH Environmental Safety and Health (office)

EHF extremely high frequency

EHS extremely hazardous substance

EHV extremely high voltage

EI electron ionization

EI emissions inventory

EI employee information

EI engineering instruction

EIA economic impact assessment

EIA Electronic Industries Association

EIA Energy Information Agency

EIAP environmental impact analysis process

EIB Environmental Improvement Board (NM)

EIC Economic Intelligence Community (CIA)

EIC employee involvement coordinator

EICC emergency information control center (FEMA)

EICS excellence in customer satisfaction

EID Environmental Improvement Division (New Mexico)

EIDS extremely insensitive detonating substance

EIES engineering & industrial experiment station

EIF entry into force

EIL environmental impairment liability

EINet Enterprise Integration Network (MCC)

EIP employee involvement program

EIQ emission inventory questionnaire

EIR Eidgenossisches Institut f?r Reaktorforschung (Switzerland)

EIR endangerment information report

EIR engineering information request

EIS effluent inventory system

EIS electrochemical impedance spectroscopy

EIS Emergency Information Systems

EIS Employee Information System

EIS environmental impact statement

EIS expert information system

EISA extended industry standard architecture

EIS/AS emissions inventory system/area source

EIS/PS emissions inventory system/point source

EIT employee involvement team

EIV emplacement installation vehicle

EIVR exchange of information by visits and reports

EIVS experimental inventory verification system

EJ - EN

EJRC European Joint Research Center

EKMA empirical kinetic modeling approach

EL entrepreneurial leave

EL exposure level

ELAD external liver-assist device

ELF energy-level finder

ELF extremely low frequency (emission)

ELFA electron linac for acceleration

ELI Environmental Law Institute

elint electronic intelligence

ELISA enzyme-linked immunoabsorbent assay

ELLPACK (parallel program, Purdue University)

ELM electronic mail system

ELOYD electrical decontamination of Oralloy

ELP Equipment Loan Program

ELR Environmental Law Reporter

ELS electron spectrometer earth observing system

ELT emergency locator transmitter

ELVD Evry Launch Vehicle Directorate (France)

ELVIS electromagnetic very weak instabilities saturated

ELVIS Export Licensing Voice Information System (DOC)

EM electromagnetic

EM electromagnetic conductivity

EM electromechanical

EM electronic mail

EM electron microscope

EM engineering manual

EM environmental management

EM Environmental Management Program Office

EM Environmental Restoration and Waste Management (DOE)

EM evaluation model

EM expectation maximization (algorithm)

EMA effective medium approximation

EMAD engine maintenance assembly & disassembly

EMA Enterprise Management Architecture (DEC)

EMC electro-magnetic conductivity

EM-CAT Environmental Restoration and Waste Management Cost Assessment Team

EMCOM Environmental Management Career Opportunities for Minorities

EMCORE Environmental Management Center Opportunities Resource

EMDO Engineering Department (JCI)

EMF electromagnetic field/force

EMF electromotive force

EMFI Energy and Minerals Field Institute

EMG Electromagnetic Gravity Data

EMI electromagnetic interference

EMIS electromagnetic isotope separation

EML electromagnetic launcher

EML environmental measurements laboratory

EML equatorial magnetosphere laboratory

EMMP Environmental Monitoring & Mitigation Plan

EMO Emergency Management Office (former name; see EM&R)

EMO Environmental Management Office

EM-OSC Emergency Management On-Scene Commander

EMOV electromagnetically operated valve

EMP electromagnetic pulse

EMP electron microprobe (analysis)

EMP employee

EMP energy management program (LLNL)

EMP environmental monitoring plan

EMPA electron microprobe analysis

EMPT Equipment/Material Pick-up/Transfer Form 797 (LANL)

EMQ electromagnetic quadrupole

EMR electronic mail registration

EMR electromagnetic radiation

EMR Emergency Management & Response

EMR environmental management report

EM&R Emergency Management and Response

EM&R/FP emergency management and response/fire protection

EMRG Environmental Management Review Group

EMRO Emergency Management & Response Office

EMSA Electron Microscope Society of America

EMSES Electromagnetic Modeling and Simulation Environment for Systems

EMSL Environmental and Molecular Support Lahoratory (PNL)

EMSL environmental monitoring support laboratory

EMT electrical metallic tubing

EMT emergency medical technician

EMT equivalent megatonnage

EMTS environmental monitoring testing site

EMTS exposure monitoring test site

EMU electromotive unit

EMU estimated monthly usage

ENAA epithermal neutron activation analysis

ENCOP energy conservation project

ENDF evaluated nuclear data file

ENDF/B evaluated nuclear data file/version B

ENDS enhanced nuclear detonation safety

ENEA Italian National Committee for Nuclear and Alternative Energy Sources

ENG Engineering Department, 3/48­7/54

ENG Site Engineering Division, 7/54­4/94?

ENIAC electronic numerical integrator and calculator

ENIN (Krzhizhanovskiy Energy Institute)

ENRI Electronic Navigation Research Institute (Japan)

ENS emergency notification system

ENS European Nuclear Society

Ent enterobactin

EO - EQ

EO ethylene oxide

EO executive order/officer

EOA end of address

EOB Executive Office Building

EOC Earth Observation Center (Japan)

EOC emergency operations center

EOC end of cycle

EOC explosives operations center

EOD entrance on duty

EOD explosive ordnance depot/disposal

EODF explosive ordnance disposal facility

EODL explosive ordnance disposal letter

EODS explosive ordnance disposal school

EOF emergency operations facility

EOF end of file

EOI engineering operating instruction

EOL end of life

EOM end of message

EOM end of mission

EOP engineering operating procedure

EOQ economic order quantity

EOR engineer of record

EOR enhanced oil recovery

EORV Emergency Operating Records Vault

EOS Earth Observing/Observation System

EOS Earth Orbiting System

EOS equation of state (also EoS)

EOSAT Earth Observation Satellite Company

EOSO end-of-storm oscillations

EOT end of text/transmission

EOT explosive ordnance team (FEMA)

EOX extractable organic halogens

EOY end-of-year (calculated balance for goods and services on order)

EP electrical power

EP electron potential

EP emergency preparedness/preparation

EP emergency pump

EP energy production

EP engineering procedure

EP essential power

EP extraction procedure

e-p electron-proton

EPA Environmental Protection Agency

EPAA Environmental Programs Assistance Act of 1984

EPAC external program advisory committee

EPA SW-846 EPA test methods for evaluating solid

waste/chemical methods

EPB external proton beam

EPC earth penetrator case

EPC east process cell

EPC Emergency Planning Commission

EPCA Energy Policy & Conservation Act, 1975

EPCI Enhanced Proliferation Control Initiative

EPCRA Emergency Planning and Community Right-to-Know Act

EPD emergency planning district

EPDF employee participation data form

EPE energy and process engineering

EPEC employee participation evaluation committee

EPI Environmental Policy Institute

EPI environmental priorities initiative

EPIC Engineering Physics Information Center (ORNL)

EPIC Environmental Photographic Interpretation Center

EPICS Energetic Pion Channel and Spectrometer

EPICS Experimental Physics & Industrial Control System

EPIP emergency plan implementing procedures

EPL Electron Prototype Lab (TA-3)

EPL evaluated product list

EPLD electronic programmable logic device

EPMA electron probe microanalysis

EPMP environmental permit management plan

EPO emergency power off

EPO emergency preparedness office

EPO Estuarine Programs Office (NOAA)

EPOP European Polar Orbiting Platform

EPOTEC Ethics, Politics & Technology (nonprofit nongovernmental

technology transfer organization)

EPP environmental program plan

EPPO emergency preparedness program

EPR electrochemical potentiometer reactivation

EPR electron paramagnetic resonance (spectroscopy)

EPRG Experiment Planning/Peer Review Group

EPRI Electric Power Research Institute

EPROM erasable programmable read-only memory

EPS electric power system

EPS encapsulated PostScript

EPS engineered performance standards

EPSRG Enrichment Plant Safeguards Review Group

EPTC extraction procedure toxicity characteristics

EPTT extraction procedure toxicity test

EPW earth penetrator warhead/weapon

EPZ emergency planning zone

EQ environmental qualification

EQ equipment qualification (LLL)

ER - ES

ER electrical resistivity

ER electrolytic/electrochemical refining

ER electronic records

ER emergency response

ER employee relations

ER energy research

ER engineering release

ER enhanced radiation

ER environmental restoration/report

ER Environmental Restoration & Waste Management Programs

ERA Energy Research Abstracts

ERA Energy Reorganization Act

ERA Engineering Research Associates

ERA environmental research applications

ERA expedited removal/response action

ERAB Energy Research Advisory Board

ERACF Environmental Restoration Analytical Chemistry Facility

ERAMS Environmental Radiation Ambient Monitoring System (EPA)

ERB engineering review board

ERBE Earth Radiation Budget Experiment

ERBS Earth Radiation Budget Satellite

ERC emergency records center (LLL)

ERC emergency response coordinator

ERC emissions reduction credit(s)

ERC Environmental Research Center

ERCC-5 (human excision repair gene)

ERCS emergency response cleanup services

ERCWS emergency raw cooling water system

ERD equivalent residual dose

ERDA Energy Research and Development Administration (DOE predecessor)

ERDC European R&D Center

ERDC Exploratory Research and Development Center

ERD&DAA Environmental Research, Development and Demonstration Authorization Act

ERDI exploratory research & development initiative

ERF entrainment release factor

ERF explosion release factor

ERG Emergency Response Guidebook (DOE)

ERG Energy Response Guidebook (DOE-M900)

ERG external review group (DOE Priority System)

ERINT extended range interceptor

ERIS exoatmospheric re-entry vehicle interception system

ERISA Employee Retirement Income Security Act

ERL emergency reference/response level

ERLA early retirees legal action

ERLE energy-related laboratory equipment

ERMC environmental restoration management contractor

ERNS emergency response notification system

ERO emergency response organization

EROP Education Research Opportunity Program

EROS Earth resources observation system

ERP emergency response plan

ERP enforcement response policy

ERP environmental restoration plan

ERPG emergency response planning guideline

ERPM environmental restoration program manager

ERPO Emergency Restoration Project Office

ERRT emergency restoration response team

ERS Earth Resources Satellite (Europe)

ERT emergency response team

ERT equipment rack transporter

ERTAQ ERT air quality (model)

ERTD Environmental Research & Technology Division (EG&G)

ER/TSO Environmental Restoration Program Technical Support Office

ERV emergency relief valve

ERW enhanced radiation weapon

ERWM energy restoration and waste management

ER/WM Environmental Restoration & Waste Management Program Office

ERX energy recovery experiment

ES employment/employee system

ES enforcement strategy

ES engineered safeguards

ES engineering study

ES equipment specification

ES exploratory shaft

ES explosives safety

ES extraction steam

E&S error and sensitivity

ESA all-electronic safing and arming (device)

ESA Endangered Species Act

ESA Engineering Sciences and Applications Division, 10/93­

ESA Engineering Support Activity, Naval Weapons (U.S. Navy)

ESA environmentally sensitive area

ESA European Space Agency

ESA Exploratory Shaft Facility (YMP)

ESAAB Energy Systems Acquisition Advisory Board

ESAD Engineering Sciences & Applications Division

ESAP Earth Sciences Advisory Panel

ESAT Emergency Services Assistance Team

ESBU energy systems business unit

ESC endangered species committee

ESC essentiality/criticality/sensitivity (security)

ESCA electron spectroscopy for chemical analysis

ESD Electronic Software Distribution

ESD Electronic System Division (Air Force)

ESD electron-stimulated desorption

ESD electrostatic discharge

ESD emergency shutdown device

ESD Employment Security Department (Nevada)

ESD environmental sensing device (LLL )

ESD Environmental Services Division

ESD executive staff director

ESDI enhanced small device interface

ESECA Energy Supply & Environmental Coordination Act

ESF engineered safety feature

ESF exploratory shaft facility

ESF extended superframe (commun.)

ESFAS engineered safety feature actuation system

ESG Environmental Systems Group

ESH Environment, Safety, and Health Division, 10/93­

ES&H environment, safety, and health

ESHAS ES&H Appraisal System (DOE database)

ESHC ES&H Council

ES&H SS Environment, Safety & Health, Steering Staff

ESI Effective Solutions, Inc.

ESI expanded site investigation

ESIO earth sciences information office

ESM electronic support measure

ESnet Energy Sciences Network

ESO European Southern Observatory

ESP earthquake slip planes

ESP electrostatic precipitator

ESPRIT European Strategic Programme for R&D in Information Technology

ESQ electrostatic quadruple

ESR early site review

ESR early storage reserve

ESR electron spin resonance

ESR engineering standard reference

ESR Environmental Surveillance Report

ESRO European Space Research Organization

ESS electronic switching system (telecom.)

ESS emergency spray system

ESS engagement simulation system(s)

ESS Earth and Space Sciences Division, 10/81­??/92?

ESS Engineering Equipment Surveillance System

ESSD electrostatic sensitive device

EST equal spin temperature

E&ST employment & suitability test

ESTP Exploratory Shaft Test Plan

ESTSC Energy Science and Technology Software Center (replaced NESC)

ESU electrostatic unit

ESW emergency service water

ET - EZ

ET early type (weapon)

ET eddy (current) testing (NDE method)

ET Energy & Technology

ET Energy Technology Programs

ET evapotranspiration

ETA Electronics Test Area (TA-30)

ETA energy technology assessment

ETA estimated time of arrival

ETA experimental test accelerator

ET-AET environmental technologies-applied environmental technologies

et al. et alii/aliae; and others or et alibi; and elsewhere

ETC estimate to complete

ETCAP environmental technology cost-savings analysis project

ETEC Energy Technology Engineering Center (Canoga Park)

ETF effluent treatment facility

ETG environmental technology group

ET-IWRP environmental technologies-industrial waste reduction program

ETL Electrical Testing Laboratories, Inc.

ETL Electrotechnical Laboratories

ETL equipment test lab

ETO engineering technology office

ETP Energy Technology Programs

ETP engineering test plan

ETP established technical position

ETR engineering test reactor

ETS engineering test satellite

ETS environmental tobacco smoke

ETU early training unit

ETU environmental test unit

ETV electrothermal vaporization

EU energy utilization

EU enriched uranium

EUCLID European Cooperation for the Long Term in Defense

EUDOR enriched uranium direct oxide reduction (OR)

EUI executive user interface

EUP environmental use permit

EURAM European Research in Advanced Materials

EURATOM European Atomic Energy Agency/Community

EURECA European retrievable carrier

EUREKA European Research Cooperation Agency

EV estimated variance

EV evaporator vessel

EV exhaust valve

EVA extravehicular activity

EVI explosive, very insensitive

EVL evaluation test unit

EW equivalent weight

EWMC work management department (JCI)

EX executive-level appointment

EX-AFS extended x-ray absorption fine structure

EXCEL Experimental Chloride Extraction Line

EXCOM executive committee

ExEx expected exceedance

EXFAS extended x-ray fine absorption structure

EXOSAT European X-ray Observatory Satellite

EXTEX extrudable explosive

EXTREF extraction pressure reference

EYS electrical Y seal

F Return to Alphabet

F Fermi Division, 9/44­10/45

F fuze

F (LLL data code for secret restricted data)

F-1 student visa

f77 FORTRAN77 (compiler/language)

f90 FORTRAN90

FA factory automation

FA field authorization

FA fuel assembly

FA full arc

FAA Federal Aviation Agency

FAA fresh acid add

FAB filter, air, bag

FAC filter, air, cleanable

FAC final acceptance criterion

FAC free available chlorine

FACA Federal Advisory Committee Act

FACM friable asbestos containing material

FACP fire alarm control panel

FacSim facility simulation

FAD fuzing arming device

FADA file access data unit (telecom.)

FADC fast/flash analog-to-digital converter

FADES Focus on Analysis and Documentation in the Enduring Stockpile

FAE fuel/air explosives

FAF fuzing, arming, firing

FAGE fast agarose gel electrophoresis

FAH filter, air, HEPA

FAI Fauske and Associates (Westinghouse)

FAL filter, air, carbon/charcoal

FAM filter, air, mat

FAM friable asbestos material

FAN fixed account number

FAP filter, air coolpad

FAQ frequently asked question

FAR federal acquisition regulation

FAR federal aviation regulation

FAR filter, air, replaceable

FARNET Federation of American Research Networks

FaS Failure Analysis Associates

FAS Facilities and Administrative Support Division, 10/81­03/83

FAS Federation of American Scientists

FAS fire alarm system

FAS functional address symbol (military)

FASM fuel-assembly structural material

FAST fluorinel and storage (facility

FASTC Foreign Aerospace Science and Technology Center (U.S. Air Force)

FASTCAT for automated search of the catalog

FAT file allocation table

FATES FIFRA & TSCA Enforcement System

fax facsimile; telefacsimile (also FAX)

FB - FE

FBC fluidized bed combustion

FBF fluid bed fluorination

FBI Federal Bureau of Investigation

FBIS Foreign Broadcast Information Service

FBM/IAP fleet ballistic missile/improved accuracy program

FBMS fleet ballistic missile system

FBO fixed base operation/operator

FBR fast breeder reactor

FBS forward-based systems

FBU fluidized bed unit

FC fail closed

FC Faraday cup

FC fibercore (wire rope)

FC field command (FCDNA)

FC flow controller

FC fluorocarbon

FC frame control

FC fuel cycle

FCB free cutting brass

FCC face-centered cubic

FCC Federal Communications Commission

FCC fluid catalytic converter

FCC fluid-cracking catalyst

FCCSET Federal Coordinating Council on Science, Engineering, and Technology

FCCU fluid catalytic cracking unit

FCDNA Field Command, Defense Nuclear Agency

FCG flux compression generators

FCI fluid controls institute

FCI fuel-coolant interaction

FCL FORTRAN command language

FCM flow cytometry

FCO federal coordinating officer

FCO final change order

FCP facilities construction plan

FC-PSM Field Command, Plans & Operations Directorate, Stockpile Maintenance

FCR final cost report

FCR fixed charge rate

FCSS frame check sequence (telecom.)

FCT flux-corrected transport

FCT forecasting

FCV flow control valve

FD field directive

FD final design

FD fitness for duty (attendance code)

FD focus-defocus

FDA Food and Drug Administration

FDA fuel distribution analyzer

FDC functional design criteria

FDCA Federal Drug and Cosmetics Act (1938)

FDCO Defense Foreign Disclosure Coordination Office

FDD freezing degree days

FDDE frequency domain differential equation

FDDI fiber distributed data interface (token-ring LAN technology)

FDE fuel-damage equation

FDF forced draft fan

FDF fundamentally different factors

FDH Fluor Daniel Hanford, Inc.

FDI Fluor Daniel, Inc.

FDIE frequency domain integral equation

FDHD (Apple SuperDrive)

FDL final determination letter

FDM frequency domain multiplexing

FDN Fluor Daniel Northwest, Inc.

FDNS finite-difference Navier-Stokes

FDO fee determination official

FDP fluorinel dissolution process

FDP Free Democratic Party

FDR final design review

FDS filter difference spectrometer

FDX full-duplex transmission

FE fan, exhaust

FE finite element

FE flow element

FE Fossil Energy (DOE office)

FE fugitive emissions

FEA finite element analysis

FEAC fusion energy advisory committee

FEAT fuel-efficiency automotive testing (equipment)

FEBA forward edge of battle area

FEC forward error correction

FED fusion engineering device

FEFCG fuel element failure gas chromatograph

FEFO (energetic liquid plasticizer)

FEFx forced expiratory flow

FEH fume hood exhaust

FEHM finite element heat & mass transfer code]

FEIS fugitive emissions information system

FEL Frank effect level

FEL free-electron laser

FELEX (a computer code)

FELPPC free-electron laser physical process code

FEM finite element method

FEMA Federal Emergency Management Agency

FEMA-REP-1 Response Plans & Preparedness in Support of

Nuclear Power Plants

FEMA-REP-2 Guidance for Developing State & Local

Radiological Emergency Response Plans & Preparedness for

Transportation Actions

FEMP federal energy management program

FEMP Fernald Environmental Management Project (Fernald facility, Ohio; FMPC)

FEOSH Federal Employee Occupational Safety & Health

FEP field evaluation program

FEPCA Federal Environmental Pesticide(s) Control Act

FEPCA Federal Environmental Pollution Control Act

FEPCO Fair Employment Practices Commission, California

FERC Federal Energy Regulatory Commission

Fermilab Fermi National Accelerator Laboratory

FERP Federal Emergency Radiological Plan

FES factor evaluation system

FET field-effect transistor

FEV forced expiratory volume

FEVI front end volatility index

FEW federally employed women

FEWS Follow-on Early Warning System

FF - FI

FF filter factor

FF form feed

FF fuel fabrication

FF fuel failure

F&F fuzing and firing

FFA free fatty acid

FFAR fuel and fuel additive registration

FFC federal facilities coordinator

FFC full, final, and complete

FFCA federal facilities compliance agreement

FFDCA Federal Food, Drug & Cosmetic Act

FFE failed fuel element

FFF firm financial facility

FFF Fuel Fabrication Facility

FFF full face fit (mask)

FFFSG fossil-fuel-fired steam generator

FFIS federal facilities information system

FFP firm fixed price

FFRDC Federally Funded R&D Center

FFSDIF Federal facility site discovery and identification findings

FFT fast Fourier transform

FFT full frame transfer

FFTF Fast Flux Test Facility (Hanford, WA)

fg foreground

fg foreign government

FGC focusing grating coupler

FGD flue gas desulfurization

FGH furnace, gas spare

FGI foreign government information

FGM fission gas monitor

FGSP general facility safety procedure

FHAR fire hazard analysis report

FHS Fenton Hill Site (TA-57)

FHSA Federal Hazardous Substances Act (1966)

FHWA Federal Highway Administration

FI field ionization

FI flame ionization (gas detector)

FI flow instability

FI fluorescence index

FIA funds-in agreement

FIAP fraction of the inventory in aqueous phase

FICI failed instrument component inspection

FID flame ionization detector

FIDF fuel improvement demonstration facility

FIDLER field instrument for detection of low-energy radiation

FIFAC filtered Faraday cup experiment

FIFO first-in, first-out

FIFRA Federal Insecticide, Fungicide & Rodenticide Act

FII foreign intelligence information

FIIN federal item identification number

FIL flow instability limit

FILO first-in, last-out

FIM friable insulation materials

FIMAD Facility for Information Management, Analysis, and Display

FIN Finance and Procurement Division

FIP final implementation plan

FIPC Foreign Intelligence Priorities Committee (intelligence community)

FIPD federal installation planners division (U.S. government)

FIR facility inspection report

FIR far infrared

FIR far infrasound

FIR finite impulse response

FIRE Fast Imaging Ranicon Experiment

FIRST Forum of Incident Response and Security Teams

FIS Financial Information System (DOE)

FISH fluorescent in situ hybridization

FISINT foreign instrumentation signals intelligence

FIST fully integrated systems test

FIT field investigation team

FITS functional interpolating transformation system

FIVRS Financial Information Variance Reporting System

FIX Federal Information Exchange

FIX federal Internet exchange

FIXIT (deficiencies database)

FJ - FO

FKI integral equation of the first kind

FL fail last

FL Fuller Lodge, Los Alamos

FLAGE Flexible Lightweight Agile Guided Experiment

FLC Federal Laboratory Consortium (1974)

FLD-SID field sample identification

FLECHT full-length emergency cooling/core heat transfer

FLETC Federal Law Enforcement Training Center

FLIC FORTRAN language for industrial control

FLIR forward-looking infrared

FLL flux lock loop

FLM federal land manager

FLMPA Federal Land Management Policy Act

FLOOD (code to calculate flows through individual core assemblies)

FLOPS floating-point operations per second

FLOW-3D (Flow Science, Inc., three-dimensional near-net-shape casting

modeling code)

FLOWTRAN (SRP code; thermal-hydraulic behavior)

FLOWZONE (computer code; calculate flow by zones)

FLP flashpoint

FLPMA Federal Land Policy and Management Act

FLSA Fair Labor Standards Act of 1938

FLSC flexible linear shaped charge

FLTOP Federal Lease to Ownership Program

FLUIDS (MELPROG subcode)

FLUKA (high-energy physics interaction code)

FLX (magnetohydrodynamics code)

FM facilities management/manager

FM Facilities Management Department, 8/80­10/81

FM Factory Mutual Engineering & Research

FM failure mode

FM field manual

FM fineness modulus

FM finished machined

FM flow meter

FM frequency modulation

FM frequency multiplier

FM Frijoles Mesa Site (TA-49)

FM functional managers

FM (titanium tetrachloride)

F/M food to microorganism ratio

FMCSR Federal Motor Carrier Safety Regulations

FMCW frequency modulated continuous wave

FM/D facility manager/designee

FMEA failure modes and effects analysis

FMECA failure mode, effects & criticality analysis

FMF fuel manufacturing facility

FMFIA Federal Managers Financial Integrity Act

FMIT Fusion Materials Irradiation Test Facility

FML flexible membrane liner

FMLA Family and Medical Leave Act of 1993

FMPC Feed Materials Production Center, Fernald

FMPT facility management process team

FMRC Factory Mutual Research Corporation

FMRI functional magnetic resonance imaging

FMS flexible manufacturing system

FMS Frijoles Mesa Site (TA-49)

FMSC Financial Management Steering Committee

FMU Facility Management Unit

FMVCP federal motor vehicle control plan

FNAL Fermi National Accelerator Laboratory

FNC Federal Networking Council

FNW future of nuclear weapons

FO fail open

FO fiber optic(s)

FO Field Office

FO fuel oil

FOAK first of a kind

FOAM fiber-optic gamma-ray alpha measurement

FOB Facilities Operations Branch (LAAO)

FOB free on board

FOBS fractional orbital bombardment system

FOC full operational capability

FOCI foreign, ownership, control & influence

FOCUS Facility for Operations Control and Utilization Statistics

FOD fax on demand ("fax back" services)

FODO focus/defocus

FOIA Freedom of Information Act

FOISD fiber-optic isolated spherical dipole antenna

FOM figure of merit

FONSI Finding of No Significant Impact

F&OR facility and operational requirement(s)

FORAST forest response to anthropogenic stress

FORGE format generation

FORS Forrestal building (DOE, Washington, DC)

FORTÉ fast on-orbit recording of transient events

FOS fuel oil spill

FOSC federal on-scene commander

FOSI formatting output specification instance

FOT flight observation team

FOTL follow-on to LANCE (missile)

FOV field of view

FP - FR

FP filter plenum

FP Finance and Procurement Division

FP fine particulate matter

FP fire protection

FP fission product(s)

FP floating point

FP full power

FP functional performance

FPA Federal Pesticide Act

FPA focal plane array

FPA functional performance area

FPAC facilities planning advisory committee

FPC federal power commission

FPC fish protein concentrate

FPCD final procurement & construction

FPD flame photometric detector

FPDL Fission Product Development Laboratory

FPDR first production drawing release

FPE functional performance element

FPF Fuels Production Facility

FPGA field programmable gate array

FPI facilities project information

FPI Facility Project Index

FPI fiscal project identification

FPI fixed-price incentive

FPIC field-programmable interconnect circuit

FPLA field-programmable logic array

FPMD Facilities and Property Management Division (DOE/AL)

FPMR federal project management regulation

FPMR Federal Property Management Regulations

FPO field project office

FPO fire protection officer

FPO fleet post office (armed forces)

FPO for position only

FPP fixed path protocol (telecom.)

FPPU first pilot production unit (LLL)

FPR federal procurement regulations

FPR functional performance requirement(s)

FPR fuel processing restoration

FPS Floating Point Systems

FPU first production unit

FP/WKO (facilities project information/work order system)

FPY full-power year

FQAR facility quality assurance representative

FQCPO Facility Quality Control Project Office

FQDN fully qualified domain name

FR Federal Register

FR final rulemaking

FRA fan, return air

FRA Federal Register Act

FRAM Fixed energy Response function Analysis with Multiple efficiency

FRC Federal Radiation Council

FRC Federal Records Center

FRC Federal Response Center (FEMA)

FRD formerly restricted data

FRD functional requirements document

FRDS federal reporting data system

FREDS federal regional emissions data system

FRES forest range environmental study

FRG Federal Republic of Germany (BRD; Bundesrepublik Deutschland)

FRGT fast response gamma thermometer

FRL filter, air roll

FRM federal reference methods

FRMAC Federal Radiological Monitoring & Assessment Center

FRMAP federal radiological monitoring and assessment plan (FEMA)

FROD functionally related observable difference

FROG frequency-resolved optical grating

FRP Facilities Restoration Program

FRP fiber/fiberglass-reinforced plastic/polyester

FRP fire-resistant pit

FRR flight readiness review

FRS First Repository States

FRS formal reporting system

F.R.S. Fellow of the Royal Society

FRX-C Field Reversed Theta Pinch Compact Plasma Generator

FS - FT

FS factor of safety

FS fan, supply

FS far side

FS feasibility study

FS flow switch

F/S frequency/severity

F&S Fenix & Scisson (NTS contractor)

FSA firing set assay

FSAR facility safety analysis report

FSAR final safety analysis report

FSC federal stock/supply classification

FSC forward shaped charge

FSD first scheduled delivery

FSDO Facilities Support Dept. (TA-55) (JCI)

FSDO Flight Standards District Office (FAA)

FSED full-scale engineering development

FSH fuel sleeve housing

FSI fluid structure interaction

FSICM final site inspection/closeout and monitoring

FSK frequency-shift keying

FSN federal stock number

FSOPP facility-specific outreach and public participation plan

FSP facility safety procedures

FSP field sampling plan

FSR Facility Safety Review

FSR financial systems review

FSR former Soviet republic

FSRAS feasibility study & remedial action selection

FSS Facilities, Security, and Safeguards Division, 10/93­

FSS federal supply schedule

FSS flight services station (FAA)

FST facility-specific training

FST fast shock tube

FSTC Foreign Science & Technology Center

FSTD facility-specific training directory

FSTS federal secure telephone system

FSU former Soviet Union

FSUP final space utilization plan

FT file transport

FT Fourier transform

FT full-time

FT fund type

FTA fault tree analysis

FTAM file transfer, access, and management

FTD flight test diagnostics

FTD fusion target design

FTE full-time equivalent/employee

FTF Filter Test Facilities

FTFC Fourier transform flow cytometer

FTFF fuel and target fabrication facility

FTIR Fourier transform infrared (spectroscopy)

FTL field team leader

FTLS formal top-level specification (language)

FTM field team member(s)

FTP federal (vehicle) test procedure

FTP file transport/transfer protocol

FTPA field task proposal/agreement

FTQU flight test qualification unit

FTR fast test reactor

FTS Federal Telecommunications System

FTS file transfer service

FTS flight termination system

FTS fuel transfer system

FTT fuel temperature test

FTT full-time temporary

FTU first training unit

FTU flight test unit

FU - FZ

FUA foreign use agreement

FUA Fuel Use Act

FUBAHR fouled up beyond all hope of recognition

FUD fear, uncertainty, doubt (software release)

FUR full-up round (armament)

FURS federal underground injection control reporting system

FUSRAP formerly utilized sites remedial action plan/program

F-V Fussell-Vesely

FV&A foreign visits and assignments

FVC filtered vented containment

FVC forced vital capacity

FVL fuel valve light

FVMP federal visibility monitoring program

FW feedwater

FWA flow weighted average (delta T)

FWA fraud, waste, and abuse

FWHM full width at half maximum

FWIW for what it's worth

FWO Facility & Waste Operations

FWP Federal Women's Program (DOE/AL)

FWP field work proposal

FWPCA Federal Water Pollution Control Act (CWA)

FWQC Federal Water Quality Criteria

FWS Fish and Wildlife Service (DOI)

FWT fast wavelet transform

FX File Express (X-Windows; integrated graphical interface for

CFS, ftp, and Unix file systems

FX flight experiment

F/X effects

FXR flash x-ray

FXT fire extinguisher training

FY fiscal year

FYCE fiscal year current estimate

FYI for your information

FYP five-year plan

FYPA five-year program analysis

FYTD fiscal year to date

FZ flow zone

FzK Forschungszentrum Karlsruhe

G Return to Alphabet

g acceleration of gravity (constant)

G Basic & Applied Geosciences Division, 2/77­10/81

G gage

G graveyard shift (attendance code)

G gravity

G (top secret restricted data code)

G Weapons Physics Division, 8/44­10/45

G-21 group of 21 nonaligned nations in the Conference on Disarmament

GA gas analysis

GA General Atomic

GA gun-assembled

G&A general and administration/ive

GAAP generally accepted accounting principles

GAAS generally accepted auditing standards

GaAs gallium arsenide

GAC granular activated carbon

GAC groundwater activated carbon

GACT granular activated carbon treatment

GALLEX gallium experiment (neutrinos, Italy)

GAN gas analysis

GAMMA Gamma Site (TA-27)

GAO General Accounting Office

GAO goal achievement objective

GAP government accountability project

GARDIAN (GBL Point Defense System)

GAS get away special

GAT Goodyear Atomic Corporation

GB glovebox

GBAS glovebox assay system

GBC General Binding Company

GBCA graphics-based control architecture

GBDA glovebox dry air

GBFEL ground-based free-electron laser

GBI ground-based interceptor

GBL government bill of lading

GBL ground-based laser

GBR generate barcode update report

GBS ground-based (radar) system

GBSA graphics-based supervisory architecture

GC gas chromatograph/chromatography

GC gas cooled

GC general counsel

G/C gas-to-cloth ratio

GCA Graphic Communication Association

GCD general and complete disarmament

GCD greater confinement disposal

GCEP gas centrifuge enrichment plant

GCFR gas-cooled fast reactor

GCM general circulation model

GCM global climate model

GC/MS gas chromatograph/mass spectrometer

GCNM Gas Company of New Mexico

GCP Groundwater Characterization Project

GCR gas-cooled reactor

GCR gray component replacement/removal

GCWR gross combination weight rating

GD - GH

GD governing document

GDB genome database

GDC general design criteria

GDI graphics device interface (Windows)

GDIP General Defense Intelligence Program (DIA)

GDLS General Dynamics Land Systems

GDMS glow discharge mass spectrometry

GDP gaseous diffusion plant

GDP gross domestic product

GDR giant dipole resonance

GDRQ general design requirement

GDS general declassification schedule

GDS geometry definition system

GDSC Geographic Data Service Center (BIA)

GE General Electric (see also GEND)

GEA Glossary of EPA Acronyms

GEAC (GEAC Advance library system; not an acronym)

GED general educational development (certificate)/equivalency diploma

GEDI guided, electromagnetically launched defensive interceptor

GEI geographic enforcement initiative

GEM gamma, electron, and muon detector

GEM (National Consortium for Graduate Engineering Degrees for Minorities)

GEMINI LASL research laser (1977)

GEMS graphic exposure modeling system

GEMS Guide to ES&H Management Structure

GenBank National Genetic Sequence Data Base

GEND General Electric Neutron Devices (Pinellas, Florida)

G-ENDF groupwise-ENDF

GEO geosynchronous Earth orbit

GEODES Geoscience Data Evaluation System

GEONET Ground-based Earth Observing Network

GEOWARN global emergency observation and warning system (ISU/Huntsville AL)

GEP good engineering practice

GERDA Geradrohr Dampfergeuger Anlage; straight-tube steam generator

GERT general employee radiological training

GES ground-Earth station

GES ground engineering system

GET General Employee Training

GETR General Electric Test Reactor

GETT grants-equal-to-taxes

GE-VF General Electric, Valley Forge

GF general files

GFAAS graphite furnace atomic absorption spectroscopy

GFC gas filter correlation

GFCI ground fault circuit interrupter

GFD geophysical fluid dynamics

GFE government-furnished equipment

GFF glass fiber filter

GFM government-furnished material

GFP government-furnished property

GFS generic flight systems

GGH generalized geometry holdup

GGNS Grand Gulf Nuclear Station

GGP gateway-to-gateway protocol

GI - GN

GI gastrointestinal

GI general increase/instruction

GI government issue

GIDEP Government/Industry Date Exchange Program

GIF gamma irradiation facility

GIF graphics interchange format

GIFT gas-insulated flow tube

GIGO garbage in/garbage out

GIM guided intelligence model

GINGA (Japanese satellite; not an acronym)

GIP generic implementation procedure

GIRE general indirect & recharge equipment

GIS geographic information system (Savannah River)

GIS global indexing system

GISC generic intelligent system controller

GISP2 Greenland Ice Sheet Project

GIX Global Internet Exchange

GJPO Grand Junction Project Office

GKAE (U.S.S.R. State Committee on the Utilization of Atomic Energy)

GKNT (U.S.S.R. State Committee for Science and Technology)

GKS graphical kernel system (proposed international standard)

GL general ledger (system)

GL group leader

GLASS generalized lattice analysis subsystem

GLC gas liquid chromatography

GLCM ground-launched cruise missile

GLERL Great Lakes Environmental Research Lab.

GLONASS global navigation system (Russia)

GLP good laboratory practices (standards)

GLWQA Great Lakes Water Quality Agreement

GM Geiger-M?ller (also G-M)

GM general MIDI

GM General Motors

GM granulocyte/microphage (life sciences)

GMAT Graduate Management Admission Test

G.m.b.H. Gesellschaft mit beschr?nkter Haftung;

limited corporation (German)

GMF ground mobile force

GMM general maintenance manual

GMP Groundwater Monitoring Plan

GMR giant magneto resistance (Sandia)

GMS geostationary meteorological satellite (Japan)

GMT Greenwich Mean Time (zulu time; UCT)

GMW General Metalworks

GMW gram molecular weight

GMX GMX Division (no name), 7/48­9/72

GNETS graphical network security

GNI general new item

GNP gross national product

GNU Gnu's not UNIX (software)

GO - GR

GOCO government-owned contractor-operated

GOE government-owned equipment

GoEX (Jet Research Inc., shaped charge)

GOGO government owned, government operated

GOMS geostationary orbiting meteorological satellite (Russia)

GONII gas and oil national information infrastructure project

GONG Global Oscillation Network Group

GOP general operating procedures

GOPO government-owned, privately operated

GOSIP Government Open Systems Interconnect (OSI) Protocol

GP general purpose

GP generic procedure

GP graphic panel

GP graph partitioning

GPAC General Plant Advisory Committee

GPAD gallons per acre per day

GPALS ground protection against limited strike(s)

GPC gel permeation chromatography

GPCD gallons per capita per day

GPCS gas purification control system

GPF general purpose facility

GPF Generic Packaging Facility

GPHS general purpose heat source

GPIB general purpose interface bus

GPL graphics programming language

g.p.m. gallons per minute (also gpm)

GPMPP Groundwater Protection Management Program Plan

GPO Government Printing Office

GPO Ground-Based FEL Project Office

GPP general plant projects

GPR global position receiver

GPR ground-penetrating radar

GPR group property representative

GPS global positioning system/satellite

GPS groundwater protection strategy

GPSS general purpose simulation system

GPWR German pressurized water reactor

GR Government Relations Office

GR green colored terminal marking

GRA graduate research assistant

GRABASC graphics-based supervisory control

GRACCE Grand Challenge Computational Environment

GRAPE graphical reprocessing analysis procedure emulation

GRAS generally recognized as safe

GRASS generalized reactor analysis subsystem

GRC General Research Corporation

GRD Generic Requirement Document

GRDO geoscience research drilling office

GRE gas release event

grep global regular expressions and patterns (UNIX utility)

GRIN graded index

GRIP Greenland Ice-Core Project

GRO Government Relations Office

GRP glass-reinforced plastic

GRPHNREP graphical network representation

GRS gamma-ray spectrometer

GRS general records schedules

GRS Gesellschaft f?r Reaktorsicherheit

GRW gang rod withdrawal

GRWSIMS ground war simulations

GS - GT

GS general stock

GS general support series

GS graded series (non-TSM)

GS guest scientist

GS (RX-08-GS extrusion-cast explosive)

GSA General Services Administration

GSAF Generator Set-Aside Fee

GSAFMC GSA Fleet Management Center

GSAS Generalized Structure Analysis System

GSC gas-solid chromatography

GSE ground support equipment

GSE group of scientific experts

GSF gross square feet

GSFA Goddard Space Flight Center

GSI generic safety issue

GSI generic software interface

GSLV geosynchronous satellite launch vehicle (India)

GSO geosynchronous orbit

GSO goods and services on order

GSR galvanic skin response

GSRD general safety requirements document

GST Greenwich sidereal time

GSTS Ground Surveillance and Tracking System

GT Gamow-Teller

GTA gas tungsten arc

GTA ground test accelerator

GTA/NPBSE ground test accelerator/neutral particle

beam space experiment

GTAW gas tungsten arc/air welded/welding

GTCC greater than Class C

GTDA general technical data, available

GTDR general technical data, restricted

GTDU general technical data, unrestricted

GTEC Governor's Technical Excellence Committee

GTF global template file (MS Word)

GTF Ground Test Facility

GTF grout treatment facility

GTL geomagnetic tail laboratory (satellite)

GTM gang temperature monitor

GTN Germantown (DOE, Maryland)

GTN global trend network

GTO geosynchronous transfer orbit

GTP generic technical position

GTR government transportation request

GTS global telecommunications system

GTU ground test unit

G-TUF G-Tunnel Underground Facility

GTW ground-thermosphere waveguide

GU - GZ

GUI graphical user interface

GUR generate unmatched item report

GUT grand unified theory

GVCS Guard Vessel Coolant System

GVLS global verification location system

GVP gasoline vapor pressure

GVR gas volume ratio

GVWR gross vehicle weight rating

GW gaseous waste

GW gateway, wide band communications network

GW graveyard/weekend shift (attendance code)

GW ground water

GWA ground water assessment

GWAR generic waste acceptance requirements

GWC group waste coordinator

GWEN Ground Wave Emergency Network

GWIS Global Weapons Information System

GWM generic window manager (X)

GWPA Ground Water Protection Act

GWPMPP Ground Water Protection Management Program Plan

GWPS ground water protection standard/strategy

GWS general welding specifications/standards

GWTT ground water travel time

GZ ground zero

H Return to Alphabet

H (confidential formerly restricted data code, LLL)

H handling equipment

H Health Division, 5/47­10/84

H history (LA-series report designator)

H holiday (attendance code)

H hotline

H-1 (temporary worker-visa)

H4P high-performance parallel processor project (also HPPPP)

HA (Energy Conservation fund type code)

HA health assessment

HAC Hughes Aircraft Company

HACS hazard assessment computer system

HAD health assessment document

HAN hydroxylammonium nitrate

HANDY heater analysis of nucleation dynamics (code)

HAP hazardous air pollutant

HAP high average power

HAPC highest average pay compensation

HAPPS hazardous air pollutant prioritization system

HAR hydrologic assessment report

HARP hazard assessment of rocket propellants

HARP high-altitude research program

HAS humidifier, air, steam-spray

HASC House Armed Services Committee

HASWOPER hazardous waste operations

HAW high acid waste

HAW high-activity waste

HAW humidifier, air, water-spray

HAZCAT hazard categorization

HazClass hazard classification

HAZCOM hazard communications (program)

HAZMAT hazardous materials

HAZOP hazards and operability

HAZOPER Hazardous Waste Operations

HAZOPER Hazardous Waste Operations & Emergency Response Training for

General Site Workers

HAZPACT Hazardous Material Packaging & Shipping Section

HAZRAP hazardous waste remedial actions program

HB - HD

HB health benefits

HB horizontal baffle

HB House Bill

HBCU Historically Black Colleges & Universities

HBD hydraulic bottom detector

HBS heat-pipe bimodal system

HC hazardous constituents

HC health check

HC hexachlorothannol

HC hydraulic conductivity

HC hydrocarbons

HCIA Hazardous Chemicals Information Act

HCD hazard control department

HCF hot channel factor

HCFC hydrochlorofluorocarbon

HCHB Herbert C. Hoover Building, Washington, DC

HCLPF high confidence, low probability of failure

HCN hydrogen cyanide gas

HCP hypothermal coal process

HCTS High-Current Test Stand

HD (Hanford Engineering)

HD heavy duty

HD Huntington's Disease

HDCD high-density CD

HDF halogenated dibenzofuran

HDFC Hereditary Disease Foundation Consortium

HDG heater, duct, gas

HDHT highly dispersed heat transfer

HDL Harry Dimond Laboratories

HDL hierarchical design language

HDL high-density lipoprotein

HDPE high-density polyethylene

HDP high delta pressure

HDR Heißdampfreaktor (hot steam reactor)

HDR hot dry rock

HDS hazardous devices school

HDT hazardous devices team

HDTV high-definition television

HDV heavy-duty vehicle

HE - HI

HE high explosive(s)

HE hoist, electric

HE human error

HEA health effects assessment

HEA high-explosive-assembled

HEAF high explosives application facility (LLNL)

HEAT help desk expert automation tool

HEAT high-enthalpy arc tunnel

HEB high-energy beam

HEBT high-energy beam transport (BEAR)

HECB Hanford Electrical Contractors Board

HECC House Energy & Commerce Committee

HED Hazard Evaluation Division (EPA)

HEDI High Endoatmospheric Defense Interceptor

HEDL Hanford Engineering Development Laboratory

HEDM high-energy-density material

HEED health & environmental effects document

HEEP health and environmental effects profile

HEGLF High Energy Gas Laser Facility

HEHF Hanford Environmental Health Foundation ­ Richland, Washington

HEI Health Effects Institute

HEI Heat Exchange Institute

HEL high-energy laser

HELEX (a computer code)

HELIOS high-energy lepton and ion spectrometer

HELIOS (LANL laser research system, 1978)

HEM human exposure modeling

HEM hybrid electromagnetic

HEMP high-altitude electromagnetic pulse

HEMT high electron mobility transistor

HEP heterogeneous element processor

HEP heterogeneous multiprocessor

HEP high-energy physics

HEP Hispanic Employment Program (EPA)

HEP human error probability

HEPA high-efficiency particulate air/adsorption

HEPAP High-Energy Physics Advisory Panel

HEPnet High Energy Physics Network

HERA (German accelerator)

HERA helium reactor analysis (code)

HERMES II High Energy Radiation Megavolt Electron

Source, Second Generation

HERS home energy rating system

HERS hyperion energy recovery system

HESIS hazard evaluation system and information (California

Occupational Health Program)

HESQA heath, environment, safety & quality assurance

HETB hardened engineering test building

HETE high-energy transient experiment

HETP height equivalent to theoretical plate

HES Handbook of Economic Statistics (CIA)

HETT high explosive transit time

HEU highly enriched uranium

HEX heat exchanger

HEX (uranium hexafluoride)

HEX-BCF hexachloronorbornadiene

HF human factors

HF hydrogen fluoride

HFA homogeneous shear flow

HFBR High-Flux Beam Reactor (BNL)

HFD heat flux dropout

HFE human factors engineering

HFEF Hot Fuel Examination Facility, Rocky Flats

HFEM high-frequency electromagnetic

HFEX high-frequency experiment

HFIR high-flux isotope reactor (ORNL)

HFS hierarchical file system (Apple)

HG hydrogen gas

HGA heat-generating assembly

HGE hydrogen gas embrittlement

HGIR Human Genome Information Resource

HGMF high-gradient magnetic field

HGMS high-gradient magnetic separation

HGOPHER (gopher software for Windows)

HGP high gas pressure

HHA high hard(ness) armor

HHS Department of Health & Human Services

HHV higher heating value

HI hazard index

HIB heavy-ion beam

HIBAF high-brightness accelerator FEL (laser)

HI-BLARG hypersonic integral boundary layer analysis

of reentry geometries

HIDS highly integrated detonation system

HIF heavy-ion fusion

HIFSA Heavy-Ion Fusion Systems Assessment

HIGRAD HIgh-resolutin model for strong GRADIENT applications

HILAC heavy-ion linear accelerator

HIMES highly maneuverable experimental spaceplane (Japan)

HIP Hanford Isotopes Plant

HIP high injection pressure

HIP hot isostatic pressing

HIPD high-intensity powder diffractometer

HIPO high potential incident(s)

HIPPI high-performance parallel interface

HIR hypervelocity impact research

HIRAB high-resolution atomic beam

HIRAC hazardous information record and control

HIRL high-intensity runway lighting

HIS House Information System (Congress)

HIT hazard information transmission

HITIS hyperbolic in-air tracking system

HIV human immunodeficiency virus

HI-VOL high-volume sampler

HJ - HP

HKS Hibbitt, Karlsson & Sorenson (vendor for ABAQUS)

HLA human leukocyte antigen

HLC high-level cave(s)

HL/CL hazard level/compliance level

HLDLC high-level data link control (telecom.)

HLFM high-level flux monitor

HLLW high-level liquid waste(s)

HLMA Hotline Modernization Agreement

HLRW high-level radioactive waste

HLW high-level waste

HLWFP high-level waste form producers

HLWV high-level waste vitrification

HM health monitoring

HM hoist, manual

HMCP hazardous materials control policy

HMI hypervelocity microparticle impact

HMIG hazardous materials identification guide

HMMC halide-bridged mixed-valence metal complex(es)

HMO health maintenance organization

HMPT hazardous materials packaging and transportation

HMRT hazardous material response team

HMS Hanford Meteorological Station

HMS her/his majesty's ship

HMS highway mobile source

HMS hydrogen mixing studies (code)

HMS/TRAC Hydrogen Mixing Study/Transient Reactor Analysis Code

HMTA Hazardous Material Transportation Act (1974, 1984)

HMTF Hazardous Materials Transfer Form

HMTTS Hazardous Materials Transportation Tracking System

HMX high melting explosive

HMX tetranitro tetrazacyclo-octane (HE)

H&N Holmes and Narver, Inc.

HNF Hanford document number designator

HNPF Hallam Nuclear Power Facility

HNS (dipicrylehane; explosive)

HNS 2,2',4,4',6,6'-hexanitrostilbene (explosive)

HO (General Electric Co., Hanford Atomic Products Operations)

HOA hand/off/automatic (switch)

HOB House office building

HOC halogenated organic carbon

HOC halogenated organic compound(s)

HOC hazardous organic constituents

HOD hand-operated disconnect

HOE holographic optical element

HOE homing overlay experiments

HOG high-order Godunov (TRAC method)

HOMS human-oriented manufacturing system

HON hazardous organic NESHAP

HOT SPOT (DOE mobile accident response group)

HOV high-occupancy vehicle

HP health physics/physicist

HP Hewlett Packard

HP high performance

HP high pressure

HP high purity

hp horsepower (also HP)

HP hot pipe

HP HP Site (TA-33)

HPAL Health Physics Analysis Laboratory

HPCA High Performance Computing Act (1991)

HPCC high-performance computing and communications

HPCE high-performance capillary electrophoresis

HPCI High-Performance Computing Initiative

HPCRC High-Performance Computing Research Center

HPCS high-pressure core spray

HPCTB high-power cryogenic test bed

HPDD high-power density/design

HPDS high-performance data system

HPF helium purification system

HPF high-performance FORTRAN

HPFL high pressure fire loop

HPGe high-purity germanium (also HPG)

HPHTF high-pressure/high-temperature fluids

HPIC high-pressure ion chamber

HPIS high-pressure injection system

HPLC high-performance liquid chromatography

HPM high-power microwave

HPN high-pressure nitrogen

HPP high-pulse power

HPPPP high-performance parallel processor project

HPS Health Physics Society

HPS heat-pipe power system

HPSL high-power rf structures laboratory

HPSS high-performance storage system

HPSSC Health Physics Society Standards Committee

HPSW high-pressure service water

HPT health protection technician

HPTM horizontal pull test machine

HPU hydrothermal processing unit

HPV high-priority violator

HPV human papilloma virus

HQ - HT

HQ headquarters

HR high-resolution

HR human resources

HR Human Resources Division, 11/93­

H.R. House of Representatives

HRA human reliability analysis

HRC hybrid ring control

HRCQ highway route-controlled quantity

HRD human resources development

HRD Human Resources Development Division, 6/86­11/93

H. Res. House resolution (also H.R.)

HRL Health Research Laboratory (TA-43)

HRMP Hydrologic Resonance Management Program

HRRPO Human Resources Reliability Program Office

HRS hazard ranking system

HRSD Hazardous Response Support Division (EPA)

HRT high-resolution telemetry

HRUP high-risk urban problem

HRV high-resolution visible

HS health and safety

HS Health and Safety Division, 7/91­11/93

HS heat source

HS He-3 storage

HS hydrogen sulfide

H&S health and safety

HSA high specific activity

HSA hollow-stem auger

HSC high-speed channel (see HIPPI)

HSCD Hazardous Site Control Division (EPA)

HSDN high-speed data network subsystem

HSE health, safety, and environment

HSE Health, Safety, and Environment Division, 10/84­7/91

HSE heater, steam-electric

HSEAC Health, Safety, and Environment Advisory Committee

HSED Hazardous Site Evaluation Division

HSEPS Health and Safety, Environmental Protection and Safeguards

HSER health, safety, and environment remark

HSHAP Health and Safety Hazard Program

HSI heat stress index

HSL hazardous substance list

HSLA high-strength low-alloy

HSM health and safety manual

HSP Health and Safety Plan

HSP high-speed processor

HSP high steam pressure

HSPI high-speed parallel interface

H&SPL Health and Safety Project Leader

H&SPP Health and Safety Program Plan

HSPT Human Studies Project Team

HSSHP High School Science Honors Program

HST health and safety technician

HST Hubble Space Telescope (NASA)

HSW heat sink welding

HSWA Hazardous & Solid Waste Amendments (1984; amend RCRA)

HSX horizontal surface extensometer

HT heat treatment

HT hydrothermally treated

HT (tritiated hydrogen gas)

HTA high-temperature alarm

HTC heat-transfer coefficient

HTD heat transfer division (American Society of Mechanical Engineers)

HTF Hanford tank farm

HTFS heat transfer and fluid flow service

HTGR high-temperature gas-cooled reactor

HTH calcium hypochlorite

HTL Heat Transfer Laboratory (SRL)

HTL heat transfer loop

HTL hydrothermal processing

HTML hypertext markup language

HTO hydrogen-tritium-oxygen (isotope)

HTO (tritiated water)

HTP high temperature and pressure

HTP hot test procedure

HTR high-temperature reactor

HTRF Heat Transfer Research Facility (Columbia University)

HTS Hadamard transform spectrometer

HTSC High-Temperature Superconductivity/ Superconductors

HTTP hypertext transfer protocol

HTU hydrodynamic test unit

HTWRS Hanford Tank Waste Remediation System

HU - HZ

H/U heatup

HUD heads-up display

HUD Housing & Urban Development (Department)

HUE heater unit, electric

HUG heater unit, gas

HUI heater unit, infrared

HULL (3-D Eulerian hydrocode)

HUMINT human intelligence

HUMVEE high-mobility (off-road) vehicle

HUS heater unit, steam

HUW heater unit, water

HV hardness, Vickers'

HV heating and ventilation unit

HV high voltage

HVA heating, ventilation, and air

HVAC heating, ventilation and air conditioning

HVAC high voltage, alternating current

HVDCT high-voltage direct current transmission

HVEM high-voltage electron microscope

HVIO high-volume industrial organics

HVL half-value layer

HVM hypervelocity missile

HVP hypervelocity particle/projectile

HVPS high-voltage power supply

HVTF High Voltage Test Facility

HW Hanford Works

HW hazardous waste

HW heater, water

HW heavy water

HW hot water

HWA Hazardous Waste Act (New Mexico)

HWCT hazardous waste compliance technology (program)

HWDMS Hazardous Waste Data Management System

HWE heater, water, electric

HWERL Hazardous Waste Engineering Research Laboratory (EPA)

HW/FW half wave/full wave (electrical distribution)

HWG heater, water, gas

HWGTF hazardous waste groundwater task force

HWHF Hazardous Waste Handling Facility

HWLT hazardous waste land treatment

HWMR Hazardous Waste Management Regulations (New Mexico)

HW/MW hazardous waste/mixed waste

HWOT Hazardous Waste Operators Training

HWPF heavy water processing facility

HWR heavy water reactor

HWRTF hazardous waste restrictions task force

HWS hazardous waste site

HWS heater, water, steam

HWSS Hazardous Waste and Superfund Staff (EPA)

HWTC hazardous waste treatment council

HWVP Hanford Waste Vitrification Plant/Program

HX heat exchanger

HXC hydrogen extraction column

HxCDD hexachlorodibenzo-p-dioxin

HXG heat exchanger, glycol

HXR heat exchanger, refrigerated

HXS heat exchanger, steam

HXW heat exchanger, water

HYDEC hydride/dehydride casting system

HYDROX HYDride OXidation

HYLIFE high-yield lithium injection fusion energy (converter; ICF

reactor concept)

HYM hydrodynamic yield

HYMNS hybrid magnetosphere numerical simulations

HYPO (built from the water boiler reactor; used 1945­March

1951 as neutron source)

HYV high-yielding variety

HZ hazardous (material)

I Return to Alphabet

I incineration

I in-phase

I job-incurred illness/injury (attendance code)

IA implosion-assembled

IA installation assessment

IA instrument air

IA intelligent applications

IA interactive accountability

IA interagency agreement

IA internal audit

IAAC Interagency Assessment Coordination Board

IAB industrial advisory board

IAB Internet Architecture Board

IABT International Association of Bomb Technicians

IAC inter-application communication

IACRO interagency cost reimbursement order

IAE Internal Audits and Evaluation

IAEA International Atomic Energy Agency

IAG independent assessment group

IAG interagency agreement

IAGC International Association of Geophysical Contractors

IAH International Airport, Houston

IAH International Association of Hydrologists

IAI Israeli Aircraft Industries

IAMS Institute for Advanced Manufacturing Sciences

IANA Internet Assigned Numbers Authority

IAO Industrial Applications Office

IAO Institutional Affairs Office

IAP improved accuracy program

IAP incentive awards program

IAP indoor air pollution

IAP internal auditing procedures

IAPD initial area power density

IAPG interagency advanced power group

IARC International Agency for Research on Cancer

IAS information access system

IAS isobaric analogue state

IASNET Institute for Automated Systems Network (socialist countries)

IAT Institution of Advanced Technology

IATA International Air Transport Association

IAW in accordance with

IB intermediate break

IBA Industrial Biotechnology Association

IBEW International Brotherhood of Electrical Workers (labor union)

IBEX (electron beam propagator)

IBF Ion Beam Facility (TA-3)

IBML Ion-Beam Materials Laboratory

IBR Internal Budget Review

IBS ion-beam spectrometer

IBSS/CRO infrared background signature study/ chemical

release observation

IC - ID

IC incident commander

IC incident control

IC inductance-capacitance

IC installed cost

IC integrated circuit

IC integrated contractor (DOE)

IC intelligence community

IC ion chromatography

IC isolation condenser

I&C instrumentation and control

ICAO International Civil Aviation Organization

ICAP inductively coupled argon plasma

ICAP International Code Assessment and Application Program

ICAS international communications application specification

ICB interface control board

ICBM intercontinental ballistic missile

ICBN International Commission on the Biological Effects of Noise

ICC inadequate core cooling

ICC Interstate Commerce Commission

ICD interface control document

ICDE International Conference on Data Engineering

ICE implicit continuous Eulerian

ICE independent cost estimate

ICE industrial combustion emissions (model)

ICE internal combustion engine

ICE International Cometary Explorer

Ice House (weapons subassembly area, TA-41)

ICF inertial confinement fusion

ICFA inertial confinement fusion & AGEX

ICG Interface Coordination Group

ICHEA International Conference on High Energy Accelerators

ICID intensified charge-injection device

ICIS intelligent configuration identification sys-tem (ORNL)

ICM Image Conversion & Management Co.

ICMP Internet Control Message Protocol

ICMS International Center for Manufacturing Sciences

ICN integrated computing network

ICN interface change notice

ICO integrated contract/contractor order

ICO Integration and Coordination Office

I&CO installation and checkout

ICONS isotopes of carbon, oxygen, nitrogen, and sulfur (program/facility)

ICP inductively coupled plasma spectrometer

ICP integrated control processor

ICPAES inductively coupled plasma atomic emission spectrometry (also ICP/AES)

ICP-ES inductively coupled plasma emission spectroscopy

ICP/MS ICP/mass spectrometer

ICP/OES ICP/optical emissions spectrometry/eter

ICPP Idaho Chemical Processing Plant

ICR information collection request

ICR injector control room

ICR inventory change report

ICR ion cyclotron resonance

ICRE ignitability, corrosivity, reactivity, or extraction

procedure toxicity (characteristics)

ICRP International Commission on Radiological Protection

ICRU International Commission on Radiation Units and Measurements

ICS incident command system

ICS instrumentation and control system

ICS intermittent control system (CAA)

ICSPAT International Conference on Signal Processing Applications & Technology

ICT International Critical Tables

ICU interface control unit

ICWG Interface Control Working Group

ICWM Institute for Chemical Waste Management

ID Idaho Operations Office

ID induced draft

ID inner/inside diameter (also i.d.)

ID integrated design

ID intrinsic densitometry

ID intrusion detection

ID inventory difference

I-D Internet-Draft

IDA Institute for Defense Analyses

IDAPI integrated database application program/programming interface

IDB integrated database

IDC initiating device circuits

IDC integrated demonstration coordinator

IDC item description code

IDCOR Industry Degraded Core Rulemaking

IDDD international direct distance dialing

IDE integrated (intelligent) drive electronics

IDE integrodifferential equations

IDF Israeli Defense Force

ID Fan induced draft fan

IDGS isotope dilution gamma-ray spectrometry

IDL instrument detection limit

IDL interactive data language

IDLH immediately dangerous to life and health

IDLH imminent danger to life and health

IDMS imaging & document management system

IDMS isotope dilution mass spectrometry

IDN identification number

IDNA integral depletable neutron absorber

IDNB intense diagnostic neutral beam

IDOOR industry degraded core (program)

IDP individual development plan

IDP interplanetary dust particle

IDR interim design review

IDRP interdomain routing protocol

IDS integrated data system

IDS intrusion detection system

IE - IH

IE (Assistant Secretary for International Affairs & Energy

Emergencies; DOE)

IE initiating event

IE irradiation effect

I&E inspection and evaluation

IEC interexchange carrier (telephone; also IXC)

IEC inertial electrostatic confinement

IEC International Electrotechnical Commission

IEEE Institute of Electrical & Electronics Engineers

IELD initiating event logic diagram

IEM interim examination and maintenance

IEMP internal electromagnetic pulse

IEN Internet Experiment Note

IEO Internal Evaluation Office

IEQ isotopic equilibrator

IER information engineering release

IER initial engineering release

IES Institute for Environmental Studies

IESG Internet Engineering Steerng Group

IETF Internet Engineering Task Force

IETM interactive electronic technical manual

IF integration facility

IF interferon

IF intermediate frequency

IFB invitation for bid(s)

IFC internal fission counter

IFF identification, friend or foe

IFI inspector follow-up items

IFK Institut für Kernphysik (Germany)

IFM interfacial force microscope (SNLA)

IFMIF International Fusion Materials Irradiation Facility

IFOG interferometric fiber-optic gyro

IFOV instantaneous field of view

IFPF Idaho Fuels Processing Facility

IFPP industrial fugitive process particulate

IFR integral fast reactor (ANL West)

IFTU in-flight trajectory updates

IFV intermediate fighting vehicle

IG inert gas

IG inertial guidance

IG Inspector General

IG interactive graphics

IG interagency group

IG interdepartmental group

IG Interglobal

IGA intergranular (corrosion) attack

IGC International Geologic Congress

IGCC Institute of Global Conflict and Cooperation (UC)

IGCI ignitor gas cock interlock

IGCI Industrial Gas Cleaning Institute

IGES initial graphics exchange specification

IGIS interactive graphics information system

IGMP installation generic monitoring plan

IGP interior gateway protocol

IGP intrinsic-germanium-planar

IGPP Institute of Geophysics and Planetary Physics, 1980­

IH industrial hygiene/hygienist

IH inner housing

IHE insensitive high explosive(s)

IHEM in-house energy management (program)

IHI Ishikawajima-Harima Heavy Industries

IHS Indian Health Service

IHX intermediate/input heat exchanger

II - IN

II interim isolated

I & I infiltration and inflow

IIA Incinerator Institute of America

IICS International Interactive Computing Society

IIJ Internet Initiative Japan

IINREN interagency interim national research and education network

IIR intelligence information report (military)

IIRM institutional interim remedial measures

IIS inflationary impact statement

IIT Illinois Institute of Technology

IITA information infrastructure technology and applications

IITF Information Infrastructure Task Force gopher.iitf.doc.gov, 202-501-1920

IKE ion kinetic energy

IL ignitor light

IL intact loop

IL investigatory leave (attendance code)

ILAS improved limb atmospheric spectrometer (Japan)

ILL Institut Laue Langevin (Grenoble, France)

ILLIAC Illinois Institute for Advanced Computing

ILLIAC-IV Illinois Integrator & Automatic Computer

ILO in lieu of

ILRT integrated leak rate test

ILS instrument landing system

ILS integrated logistics support

ILS integrated long-term strategy

ILTSF intermediate-level transuranic storage facility

ILW intermediate-level (liquid) waste

IM impurity stimulation

IM information management

IM intelligence memorandum

I/M inventory/maintenance menu (tool)

I & M Inspection and maintenance

IMA intermediate maintenance activities

IMC incident management center

IMC intermediate metal conduit

IMDG International Maritime Dangerous Goods

IMF International Monetary Fund

IMHO in my humble opinion

IMINT image intelligence

IML International Microgravity Laboratory (Japan)

IMM intersection midblock model

IMM Isotope Measurement Laboratory

IMO International Maritime Organization

IMOG Interagency Manufacturers/Mechanical Operating/Operation Group

IMP Instituto Mexicano del Petroleo (Mexican Petroleum Institute)

IMP interplanetary magnetic field

IMP Interplanetary Monitoring Platform

imp. imprimateur; let it be printed/sanctioned

IMPACT integrated model of plumes and atmosphere in complex terrain

IMPES implicit pressure explicit saturation (simulator)

IMPROVE interagency monitoring of protected visual environment

IMR Internet monthly report

IMS information management system

IMS intermediate matching section

IMS intertank matching section

IMS ion mass spectrometer

IMSL International Mathematical & Statistics Library

IMT impulsive momentum transfer

IMT information management team

IMTC International Multimedia Teleconferencing Consortium

IMTK interphase mass transfer kinetics

IMTL Integrated Manufacturing Technologies Laboratory (SNLL)

IMU inertial measurement unit

IMUST inactive miscellaneous underground storage tank

IN Intech

IN (Office of) Intelligence (DOE)

IN-1 inelastic scattering instrument no. 1; spectrometer at ILL

INAA instrumental neutron activation analysis

INC insertable nuclear component

INC isotope and nuclear chemistry

INC Isotope and Nuclear Chemistry Division, 8/82­12?/93

INCOR Institutional Collaborative Research­Nuclear Science Fund

INCRA International Copper Research Association

IND improvised nuclear device

IND investigational new drug

INDEX institutional data exchange

INEEL Idaho National Engineering and Environmental Laboratory

INEL Idaho National Engineering Laboratory

INEX integrated numerical experiment

INF intermediate-range nuclear forces (treaty)

INFCE International Nuclear Fuel Cycle Evaluation

INFN Instituto Nazionale di Fisica Nucleare

INFORM Information Management System (now Lab-Wide Systems)

INFOTERRA International Environmental Information System

Ing. Ingenieur; engineer (German)

INGRES Interactive Graphics & Retrieval System (UC

Berkeley/Relational Technology)

ININ Mexican Nuclear Institute (Instituto)

Ink (concentrated Gd(NO₃)₃ "poison"

solution; also SSS)

INMARSAT International Maritime Satellite Organization

INMM Institute for Nuclear Materials Management

INPO Institute for Nuclear Power Operations

INPUFF (Gaussian puff dispersion model)

INRAD intrinsic radiation

INS Immigration and Naturalization Service

INS inelastic neutron scattering/spectrometer

INS inertial navigation system

INSAT Indian Satellite

INSCOM U.S. Army Intelligence & Security Cmmd.

INSRP Interagency Nuclear Safety Review Panel

INT intermittent

INTD international nuclear target development

INTECOM International Council for Technical Communication

INTELSAT International Telecommunications Satellite Organization

INVS-III inventory sample-III

INWS Interservice Nuclear Weapons School

INX ion exchange

IO - IQ

I/O input/output

[I]/[O] indoor/outdoor (concentration ratio)

IOB iron ore beneficiation

IOC initial operational capability

IOC input/output (model c) cabinet

IOC input/output controller

IOCI ignitor oil cock interlock

IOI item of inspection

IOM Institute of Medicine

IOP internal operating procedure

IORV inadvertently opened relief valve

IOS (Cray disk controller)

IOS input/output subsystem

IOS International Organization for Standardization

IOT inductive output tube(s)

IP image processing

IP Industrial Partnership Programs

IP inhalable particles

IP initial pressing

IP inspection procedure

IP Institutional Plan

IP intellectual property

IP intermediate pressure

IP Internet protocol

IP interproject

IP ionization potential

IP isotope production

I/P current to pneumatic

IPA Intergovernmental Personnel Act

IPA intergovernmental personnel agreement

IPA isopropyl alcohol

IPAC Industrial and Professional Advisory Council

IPB illustrated parts breakdown

IPC Industrial Partnership Center (now IPO)

IPC interprocess communication

IPCC Intergovernmental Panel on Climate Change

IPCC International Professional Communication Conference

IPCDS in-place command disable system

IPE individual plant examination

IPF isotope production facility

IPG Institut de Physique du Globe (France)

IPG interproject group

IPL Interplanetary Physics Laboratory (satellite)

IPLWG industrial partnership laboratory working group

IPM inhalable particulate matter

IPM integrated pest management

IPM interpersonal mail system

IPNS Intense Pulsed Neutron Source (Argonne)

IPO Indirect Program Office

IPO Industrial Partnership Office

IPO International Programs Office (Navy)

IPOC institutional point(s) of contact

IPP immediate priority pollutant

IPP Industrial Partnership Programs Office

IPP Institute for Public Policy (UNM)

IPP integrated planning process

IPP integrated project planning

IPR intellectual property rights

IPRB Intellectual Property Review Board

IPRD in-plant reliability data

IPRP Implementation Plan for the Recovery of Plutonium

IPS in-plant store

IPS integral protective system

IPS interim policy statement

iPSC Intel Personal Supercomputer (hypercube)

IPX Internet packet exchange (Novell)

I&Q in-phase and quadrative

IR - IS

IR incident report/reporting

IR information request

IR infrared (radiation; also ir)

IR intermediate resonance

IR Internet Registry

IR Invitation Request (form)

IRAP interagency radiological assistance plan

IRB independent review board

IRB initial/internal review budget

IRBM intermediate-range ballistic missile

IRC INEL Research Center (Idaho)

IRC inspection record card

IRC internal review committee

IRC Internet relay chat

IrDA Infrared Data Association

IRDP individual R&D project(s)

IRED infrared emitting diode

IRF initial response force (FEMA)

IRF integrated research file

IRG Interagency Review Group

IRI industrial risk insurers

IRIS Integrated Risk Information System

IRLG Interagency Regulatory Liaison Group

IRM interim remedial measure(s) (CERCLA)

IRO insulated uranium oxide

IROFA International Robotics and Factory Automation Center (Japan)

IRP individual research projects (SSRI's)

IRP installation restoration program

IRP intelligence research paper

IRPTC International Register of Potentially Toxic Chemicals

IRQ interrupt request

IRR Institute of Resource Recovery

IRR internal rate of return

IRRAS integrated reliability and risk analysis system (code)

IRS Internal Revenue Service

IRSG Internet Research Steering Group

IRTF Internet Research Task Force

IS indicating switch

IS industrial safety

IS information services/systems

IS infrasound

IS interim status

IS intermediate system

IS isotope separation

IS isotopic source

ISA industry-standard architecture (PC-AT)

ISA instruction set architecture

ISA Instrument Society of America

ISAC Indian Satellite Applications Center

ISAM indexed sequential file access method

ISAR integrated safety analysis report

ISAS Institute of Space and Astronautical Sciences (Japan)

ISBN International Standard Book Number

ISC Indian Space Commission

ISC industrial source complex (model)

ISCA Iowa Student Computer Association

ISCG Institutional and Socioeconomic Coordinating Group

ISCL interim status compliance letter

ISD instructional systems development

ISD interim status document (RCRA)

ISD international standard data network

ISD/IS Information Services Department/Division, 10/70­12/93

ISDN integrated services digital network

ISDR information services division request (form)

ISE Ideas in Science and Electronics, Inc.

ISE integrated space experiment

ISE international space explorer

ISE ion-specific electrode

ISEC Information Systems Engineering Command (U.S. Army)

ISEC internal security (office; counterintelligence)

ISEE International Sun-Earth Explorer

ISEF International Science & Engineering Fair

ISER integrated safety evaluation report

ISES independent space experiment systems

ISES intrinsic Stark-effect superlattice

ISF Infrastructure Support Facilities

ISI in-service inspection

ISIPS information services integrated publishing system

ISIS integrated safeguards information system

ISIS international satellites for ionospheric studies

ISIS International Superconductivity Industry Summit

ISIS (plasma physics code)

ISIS (Rutherford Laboratory Neutron Facility, U.K. AWRE; from a

name for the Thames)

IS-IS intermediate system-intermediate system

ISL IsoSpin Facility

ISM industrial security manual

ISM industrial staff member

ISM integrated safety management

ISMS Integrated Safety Management System

ISO International Standards Organization

ISOC Internet Society

ISODE ISO Development Environment

IsoENET Isochronous Ethernet (National Semiconductor)

ISO-SCM isostatic statistical crack mechanics (model)

ISP Internet service provider

ISQIT Information Systems Quality Improvement Team

ISR indirect source review

ISR input storage receiver

ISR Institutional Supporting Research

ISRD Institutional Supporting Research and Development (now LDRD)

ISRG Independent Safety Review Group

ISRM International Society for Rock Mechanics

ISRO Indian Space Research Organization

ISS isotope separation system

ISSE (SCI systems evaluation)

ISSN International Standard Serial Number

IST in situ treatment

IST integral system test

ISTC International Science & Technology Center

ISTEA Intermodal Surface Transportation Efficiency Act

ISTM International Society for Testing Materials

ISTO Information Science & Technology Office

ISTP international solar terrestrial program

ISTS Ion Source Test Stand

ISU International Space University (Alabama)

ISV in situ vitrification

IT - IZ

IT ignition transformer

IT information technology

IT inner targets

IT innovative technology

IT inspection traveler

IT instrument test

IT International Technology Division

IT interstitial transfer

ITA impact tester addition

ITA International Trade Administration

ITAA Information Technology Association of America (vendor group)

ITAP International Technology Advisory Panel

ITAR International Traffic in Arms Regulations

ITC interagency testing committee

ITC International Technology Corporation

ITC International Trade Commission

ITC TRU impractical to certify TRU

IT&E Integration, Test and Evaluation

ITEP Institute of Theoretical and Experimental Physics (Moscow

[Iran Chuvilo])

ITER International Thermonuclear Experimental Reactor

ITIS integrated technical information services

ITO indium-tin oxide

ITO International Technology Office, 9/79­8/81

ITP individual training plan

ITP in-tank precipitation

ITR independent technical review

ITR information technology resources

ITR internal transfer report

ITRI Inhalation Toxicology Research Institute (Lovelace, Albuquerque, NM)

ITS Integrated Test Stand

ITS international technology and sensors

ITU International Telecommunications Union

ITV interactive television

ITVA International Television Association

ITWG interim working group (AMI)

IU industrial user

IUE International Ultraviolet Explorer

IUGS International Union of Geological Sciences

IUPAC International Union of Pure and Applied Chemistry

IUPAP International Union of Pure and Applied Physics

IUTA in-use technology assessment

IVCT intervalence charge transfer

IVHS intelligent vehicle highway system

IVL individual validated license

IVML In Vivo Measurements Laboratory

IV&V independent verification and validation

IW industrial waste

I&W indications & warnings (intelligence)

IWC in-stream waste concentration (CWA)

IWG interface working groups

IWMIS industrial waste management information system

IWO interim waste operations

IWP installation work plan

IWPF Idaho Waste Processing Facility

IWRC independent wire rope core

IWRP industrial waste reduction program

IWS inactive waste sites

IWS intelligent workstation

IWS ionizing wet scrubber

IWS/LAN intelligent workstation/local area network

IWWW improving the way we work

IX ion exchange(r)

IXA ion-excited x-ray analysis

IXC interexchange carrier (telephone; also IEC)

IYB in your basket

J Return to Alphabet

J (field test)

J Field Testing Division, 10/47­12/93

J (LLL secret FRD code)

J-1 exchange visitor visa

JA (Fossil Energy R&D fund type code)

JA judge advocate

JACADS Johnston Atoll Chemical Agent Disposal System

JACC joint airborne command center

JAD joint applications design/development

JAERI Japan Atomic Energy Research Institute

JAIEG Joint Atomic Information Exchange Group

JAMA Journal of the American Medical Association

JAMSS Japan Manned Space Systems Corporation

JAN Joint Army-Navy specification

JANAF Joint Army-Navy-Air Force

JANF Joint Army-Navy facility/function?

JANFU Joint Army-Navy foulup

JANP- joint Army-Navy publication

JANUS (interactive FORTRAN brigade-level combat simulator)

JANUS joint army-navy staff

JANUS (LLNL research laser, 1974)

JAPCA Journal of the Air Pollution Control Association

JAROS Japanese Resource Observation System Organization

JART journal article

JASAT joint antisatellite

JASIS Journal of the American Society for Information Science

JAWPB Joint Atomic Weapons Publications Board

JAX (field design code)

JBUSDC Joint Brazil-U.S. Defense Commission

JC Johnson Controls, Inc. (usually JCI)

JCAE Joint Committee on Atomic Energy

JCC joint communications center (FEMA)

JCC joint coordinating committee

JCI Johnson Controls World Services, Inc.

JCIC Joint Compliance & Inspection Commission

JCL job control language

JCNNM Johnson Controls Northern New Mexico

JCO justification for continued operation

JCP Joint Committee on Printing (U.S.)

JCS Joint Chiefs of Staff

JCWG joint configuration working group

JD jury duty (attendance code)

JDT joint draft text

JE - JO

JE Johnson Engineering Corp.

JEG joint evaluation group

JEM Japanese Experimental Module

JENV Environmental Department (JCI)

JERS Japanese Earth Resources Satellite

JESSI Joint European Semiconductor Consortium

JET joint European torus (U.K. tokamak)

JFET Johnson field effect transistor

JFT joint flight test

JHSE JCI Health, Safety & Environmental Dept.

JHU Johns Hopkins University

JI jet interaction

JIC joint information center (FEMA)

JILA Joint Institute for Laboratory Astrophysics (Boulder, CO)

JILT joint integrated laboratory test

JIMP Japanese Industry and Management of Technology, Center for

the Study of, (UNM)

JIO joint integration office

JIT just in time

JJ Josephson junction

JLC justification for limited competition

JMA Japanese Meteorological Agency

JMCA John M. Cockerham and Associates

JMGR JCI Site Management

JMIA JCI Internal Auditor

JMM Joule metal melter

JMLC JCI Legal Counsel

JMSNS justification of major system new start

JNACC joint nuclear accident coordinating center

JNCC Joint Nuclear Control Commission

JNCP justification for noncompetitive procurement

JNFS Japan Nuclear Fuel Services

JNT Johnson Noise Thermometer

JOC joint operations center (FEMA)

JOCO jointly owned, privately operated

JOFOC justification for other than full and open competition

JOWOG joint working group (U.S./U.K.)

JOYO (Japanese reactor)

JP - JZ

JPA joint permitting agreement

JPEG Joint Photographic Experts Group

JPI joint packaging instruction (Army-Navy)

JPL Jet Propulsion Laboratory

JPO joint program office

JPRS Joint Publications Research Service (FBIS)

JQAP Quality Assurance Department (JCI)

JRC Joint Reconnaissance Center (JCS)

JRCC joint radiological/radiation control center

JRO J. Robert Oppenheimer Fellowship

JROSC J. Robert Oppenheimer Study Center

JSA job safety analysis

JSC Johnson Space Center

JSD Jackson structured design

JSFT Health and Safety Department (JCI)

JSP Jackson structured programming

JSP job safety practice

JSSP joint stockpile sampling program

JSTARS Joint Surveillance and Target Attack Radar System

JTA joint test assembly

JTAGS joint tactical ground station

JTCA Japanese Technical Communication Association

JTEX Jemez Tomography Experiment

JTG joint test group

JTGCD joint task group coordination draft

JTGED joint task group evaluation draft

JTM job transfer and manipulation (telecom.)

JTS joint test subassembly

JTSA Joint Technical Support Activity, JCS

JTWG joint test working group

JTU Jackson turbidity unit

JVE Joint Verification Experiment

JvNC John von Neumann Center

JWG joint working group

JWKB Jeffreys-Wentzel-Kramers-Brillouin (see also WKB)

JWS joint work statement

K Return to Alphabet

K (carrying capacity)

K K-Site (TA-11)

K (LLL top secret FRD data code)

K Reactor Development Division, 9/54­6/70

K (Savannah River Laboratory reactor)

KA Kaiser Engineering

KA9Q TCP/IP for packet radio

KAERI Korean Atomic Energy Research Institute

KAFB Kirtland Air Force Base (Albuquerque, NM)

KAK key-auto-key

Kap. Kapitel; chapter (German)

KAPL Knolls Atomic Power Laboratory

KAPPA Kappa Site (TA-36)

KC Kansas City Plant

KC key concern

KCAO Kansas City Area Office

KCC keyboard communications concentrator

KDC key distribution center

KD0 Key Decision 0

KE kinetic energy

KEK (National Laboratory for High-Energy Physics, Japan)

KET kinetic energy transfer

KEW kinetic energy weapon

KF key finding

KFA Kernforschunganlage-Jülich Gmbh.

KfK Kernforschungszentrum Karlsruhe

KFL key facilities list

KFLX (computer code)

KIVA (buildings housing critical assemblies, TA-18)

KIVA (finite-difference code for dynamics of reactive multi-D

fluids [1985]; KIVA-II, KIVA-3)

KK - KZ

KKV kinetic kill vehicle

KM Kirk-Mayer, Inc. (also KMI)

KMR Kwajalein Missile Range

KOALAS Knowledgeable Observation Analysis Advisory System

KOR knowledge of results

KP potassium perchlorate

KrF krypton fluoride (laser)

KSC Kagoshima Space Center (Japan)

KSC Kennedy Space Center (Cape Canaveral)

KSH Korn shell (programming)

K-T Cretaceous-Tertiary (geologic boundary; also C-T)

KTP potassium titanyl phosphate

KTR Kauai Test Range

L Return to Alphabet

L Laser Research and Technology Division, 2/72­3/81

L leave without pay (attendance code)

L limited security clearance

L (LLL secret RD-CNWDI data code)

L L-Site (TA-12)

LA Laboratory of Anthropology

LA license application

LA limited area (security)

LA load allocation

LA local alarm

LA Los Alamos (publication)

LA 2000 Los Alamos 2000 Strategic Planning and Allocation

LAA lead agency attorney

LAACG Los Alamos Accelerator Code Group

LAAO see OLASO

LAAO-ES&H Los Alamos Area Office/Environment, Safety &

Health Branch

LAAO-FOB Los Alamos Area Office/Facilities Operations Branch

LAAO-PMB Los Alamos Area Office/Project Management Branch

LAAS local area augmentation system

LAAUW Los Alamos Area United Way

LA Avgas Los Alamos Aviation Gas Association

LABCOM U.S. Army Laboratory Command

LABNET Los Alamos National Laboratory (closed circuit television) network

LABS Los Alamos Bright Source

LABS I/II Los Alamos Bright Source Laser Facility

LA Bus Los Alamos Bus System

LAC Los Alamos County

LA-C Los Alamos conference (report designator)

LACAP Los Alamos Civil Air Patrol

LA-CC Los Alamos computer code

LACE Low-power Atmospheric Compensation Experiment

LACEF Los Alamos Critical Experiments Facility

LACFD Los Alamos County Fire Department

LACHESIS laterally archiving containment, health,

environment & safety system

LACHEX Los Alamos Chess Experiment

LA-CP Los Alamos controlled publication

LAD license application design

LADS large acceptance detector system

LADT local area data transport

LAEP late auditory-evoked potential (biophys)

LAER lowest achievable emission rate

LAFD Los Alamos Fire Department

LAFM Los Alamos Fuel Model

LAFO Los Alamos Field Office

LAFPHA Los Alamos field pulse height analyzer

LAFUC Los Alamos Fleet Users Committee

LAGEOS laser geodetic earth orbiting satellite

LAGEOS laser-ranged geodynamic satellite

LA-H Los Alamos history (report designator)

LAHCP Los Alamos Health Care Plan

LA-HDR Los Alamos Hot Dry Rock (project or publication designator)

LAHET Los Alamos high-energy transport (system/code)

LAHS Los Alamos High School

LAICS Los Alamos Integrated Communications System

LALP Los Alamos Laboratory publication

LAM large aperture module (laser)

LAM longitudinal acoustic mode

LAM Los Alamos Airport (code)

LA-M Los Alamos manual (report designator)

LAMC Los Alamos Medical Center

LAMESA LAMESA code; LAMESA REACTR module

LAMP Lake Acidification Mitigation Project (EPRI)

LAMPF (Clinton P. Anderson) Los Alamos Meson Physics Facility

LAMPFII LAMPF upgrade

LAMPRE Los Alamos Molten Plutonium Reactor Experiment

LA-MS Los Alamos manuscript (report designator)

LAN local area network

LANC local area network control (Sony)

LANDSAT land-use satellite

LANFZT Latin American Nuclear Free Zone Treaty

LANL Los Alamos National Laboratory (since 1/1/81; previously LASL)

LANMAS Local Area Network Material Accounting System

LANSCE Los Alamos Neutron Science Center

LANUG Los Alamos NeXT Users Group

LAO Laboratory Assessment Office

LAP Laboratory Accreditation Program (DOE)

LA-P Los Alamos proposal (report designator)

LAPB link access procedure balanced (telecom.)

LAPD link access protocol­D channel

LAPD Los Alamos Police Department

LAPD Los Angeles Police Department

LAPIS Los Alamos, Plutonium Isotopic System

LApp Los Alamos polycrystal plasticity (code)

LAPP Los Alamos portable pulser

LA-PR Los Alamos progress report (designator)

LAPRE Los Alamos Power Reactor Experiment

LARC Livermore Automatic Research Computer

LARI Los Alamos radiometric instrument

LAS laser aerosol spectrometer

LAS library access system

LAS linear alkyl sulfonate

LAS Los Alamos Science

LAS Los Angeles Shop (TA-44)

LASAN (basis systems analysis code)

LASCAR large-scale reprocessing

LASL Los Alamos Scientific Laboratory

LASMA laser ablation source mass analyzer (CAA)

LASNEX (Los Alamos ICF design code)

LA-SOP Los Alamos standard operating procedure (designator)

LASP low atomizing steam pressure (safety trip)

LA-SR Los Alamos status report (designator)

LASREF Los Alamos Spallation Radiation Effects Facility

LASS large aperture superconductor spectrometer

LASSC Los Alamos Space and Science Committee

LASSP Los Alamos Students in Science Program

LAT laboratory assessment team

LA-T Los Alamos thesis (report designator)

LATA local access and transport area (telecom.)

LATA Los Alamos Technical Associates

LATO Los Alamos Technical/Technology Office

LATR Los Alamos translation (LA- # -TR)

LA-UR Los Alamos unlimited release

LAVA Los Alamos vulnerability assessment

LAVM Los Alamos Voice Messaging

LAVMS Los Alamos Voice Messaging System

LAW light antitank weapon (see TOW)

LAW low-acid waste

LAZON laser hazard analysis program

LB large business

LB lattice Boltzmann (modeling)

L.-B. Langmuir-Blodgett

LBB leak before break

LBL Lawrence Berkeley Laboratory (now LBNL)

LBNL Lawrence Berkeley National Laboratory (name changed June 16, 1995)

LBRV low bit rate voice

L/BS lecithin-to-bile-salt (ratio)

LC - LD

LC Laboratory Counsel

LC labor capture

LC Library of Congress

LC lethal concentration

LC liquid chromatography

LC liquid concentration

LC liquid crystal

LC local control

LC lock(ed) closed

LCAO linear combination of atomic orbitals

LCB Laboratory Coordinating Board

LC/BPL Laboratory Counsel/Business & Patent Law

LCD Large Cerenkov Detector

LCD liquid crystal display

LCD local climatological data

LCF latent cancer facilities

LC/GL Laboratory Counsel/General Law

LCID Laboratory Corporate Information Directory

LCIM life-cycle information management

LC/IP Laboratory Counsel/Intellectual Property (now LC/BPL)

LCL lower control limit

LCLC Las Cumbres Learning Center

LCMV linearly constrained minimum variance

LCN logical channel number (telecom.)

LCO limiting condition(s) for operation

LCP life cycle plan

LCP location characterization plan

LCPD LANL controlled proposal document

LCRC loss of control rod cooling

LCRDP Laboratory/Campus Research and Development Program

LCRS leachate collection & removal system

LCS LAHET code system

LD Laboratory Development (directorate)

LD land disposal

LD laser-Doppler

LD lethal dose

LD light-duty

LDA Leadership Analysis (CIA office)

LDA local-density approximation

LDC London Dumping Convention

LDCC Laboratory Data Communications Center

LDEF Long Duration Exposure Facility (NASA Langley Research Center)

LDF Land Disposal Facility

LDF laser demonstration facility

LDF local-density functional (theory)

LDG Los Alamos debugger

LDIP laboratory data integrity program

LDPE low-density polyethylene

LDR land disposal restriction(s)/restricted

LDRD Laboratory-Directed Research and Development

LDS launch detection satellite

LDS leak detection system

LDSS low-dimensional semiconductor structure

LDU land disposal unit

LE - LI

LE limited egress

LE limit of error

LE low energy

LEAP Lightweight EndoAtmospheric Projectile

LEAR low-energy antiproton ring (CERN)

LEB low energy booster

LEBT low-energy beam transport

LEC laboratory emergency coordinator

LEC local exchange carrier (networking/ telephony)

LECS Liquid Effluent Containment System

LE/CS limited egress/confined space

LED light-emitting diode

LEDO laboratory emergency duty officer

LEF linear electric field

LEFCS low-energy fusion cross section

LEFD linear electric field device

LEGM low-energy gamma monitor

LEH laser entrance hole

LEHR Laboratory for Energy-Related Health Research

LEL lower explosive limit

LENS Large Enthalpy National Shock (facility)

LEO low Earth orbit

LEP laboratory evaluation program

LEP large electron positron (CERN collider)

LEP laser-evoked potential (biophysics)

LEPC local emergency planning commission/ committee

LEPC low-energy pion channel

LEPD Legal Enforcement Policy Division (EPA)

LEPP liquid effluent pretreatment

LEPS low-energy physics support

LER LANSCE/Energy Research Programs

LER licensee event report

LERC laboratory environmental review committee

LeRC Lewis Research Center (NASA)

LES low-energy system

LESAT Lockheed Environmental Systems and Technologies Company

LET linear energy transfer

LET&D Liquid Effluent Treatment and Disposal Liability Act

LETF liquid effluent treatment facility

LEU license to export uranium

LEU low enriched uranium

LEX low-resolution x-ray spectrometer

LF launch facility

LF linear feet

LF line feed

LF low frequency

LFATS low-flow alternative (filter) test system

LFBR liquid fluidized bed reactor

LFE laminar flow element

LFI low fire interlock

LFL lower flammability limit

LFR live-fire range

LFS low flammability, low sensitivity (explosive)

LFT large fragment test

LGATE Los Alamos graphics tool environment

LGF liquefied gaseous fuels

LGFSTF liquefied gaseous fuel spill test facility (NTS)

LGN lateral geniculate nucleus

LGP low gas pressure

LH left hand

LH low head

LHC large hadron collider

LHCS long-haul communications system

LHD load haul dump

LHGR linear heat generation rate

LHR left hand reverse

LHS left-hand side

LI length indication (telecom.)

LI line item

LIB laser-induced breakdown

LIBC Cray C library

LIBS laser-induced breakdown spectroscopy

LIC low-intensity conflict

LICP line item construction project

LIDAR light detection and ranging

LIF laser-induced fluorescence

LIFO last-in, first-out

LIFS lower internal facility shields

LIG Laboratory Implementation Guidance

LIGO laser interferometric gravity wave observatory

LILO last-in, last-out

LIMB limestone-injection, multistage burner

LiMB listing of molecular biology databases

LIME laser-induced microwave emissions

LIM EMS Lotus-Intel-Microsoft Expanded Memory Specification

LIM Laboratory Information Management team (division directors)

LINAC linear accelerator (usually linac)

LINDA laser-induced neutralization diagnostic approach

LIO load in/out

LIP line item project

LIPS Laboratory integrated prioritization system

LIR Laboratory Implementation Requirements

LIPS laser impulse space propulsion

LIPS logical inferences per second

LIRAQ Livermore Regional Air Quality Model

LIS laser (uranium) isotope separation

LIS lethality test system

LISBMS Laboratory Integrated Standards Based Management System

LISP list processing (program)

LIST layered instructional systems for training

LITE low-intensity transport equipment

LJ - LN

LJ# Laboratory Job Number

LLAP LOCA Limits Analysis Package

LLBL low-latitude boundary layer

LLC Laboratory Leadership Council

LLC lessons-learned committee

LLC limited-life component

LLC logical link control

LLCE limited-life component exchange

LLD lower level of detection

LLD low-level dose

LLE Laboratory for Laser Energetics

LLL Lawrence Livermore Laboratory (now LLNL)

LLMW low-level mixed waste

LLNL Lawrence Livermore National Laboratory

LLO lead laboratory office

LLRF low-level radio frequency

LLRW low-level radioactive waste

LLRWPA Low-Level Radioactive Waste Policy Act

LLSW low-level solid waste

LLW low-level (radioactive) waste

LLWDDD low level waste disposal development demonstration

LLWDF Low-level Waste Disposal Facilities

LLWPA Low-Level Waste Policy Act

LLWPSS low-level waste processing and shipping system

LLWS low level wind shear

L&M L&M Drafting Service

LMC Large Magellenic Cloud

LMC least material condition

LMD Laboratory Managers Division

LME liquid-metal embrittlement (cracking)

LMF Laboratory Microfusion Facility

LMF logical mainframe

LMFBR liquid-metal fast-breeder reactor

LMHC Lockheed Martin Hanford Corp.

LMI laser/materials interaction

LMO last man out

LMPT Laboratory material property transfer

LMR labor-management relations

LMR land mobile radio

LMR liquid-metal reactor

LMRF library material request form

LMS least mean square

LMSC Lockheed Missiles and Space Company

LMSI Lockheed Martin Services, Inc.

LMXRB low-mass x-ray binary

LN logarithm, Napierian

LNG liquefied natural gas

LNL linear/nonlinear learning

LNP loss of normal power

LO - LR

LO locked open

LO low-observable

LOA leave of absence

LOA letter of agreement/administration

LOAEL lowest observed adverse effects level

LOC letter of credit

LOC line of code

LOC lines of communication

LOCA loss-of-coolant accident

LOCC launch operations control center, VAFB

LOCE loss-of-coolant experiment

LODTM large-optics diamond turning machine (LLNL)

LOE level of effort/edit

LOE limit of error

LOEL lowest observed effects level

LOF loss of feedwater/flow

LOFT loss-of-fluid test (INEL experiment)

LOFW loss of feedwater

LOG large-orbit gyrotron

LOHP labor occupational health program

LOHS loss of heat sink

LOI letter of instruction

LOI loss on ignition

LOIS loss of interim status (SDWA)

LOMICS low-energy magnetospheric ion composition sensor

LONGZ (long-term terrain model)

LOP loss of power

LOPA loss-of-pumping accident

LOPI loss of piping integrity

LOQ level of quantitation

LOQ limit of quantification

LORAX long range alarm system

LORW loss of river water (also LRW)

LOS limit of sensitivity

LOS line of sight

LOSAC low specific activity counter

LOSH labor occupational safety & health program

LOSP loss of system pressure

LOU letter of understanding

LOW launch on warning

LOW liquid observation well

LOX liquid oxygen

LP legislative proposal

LP line printer

LP liquid propellant

LP low pressure

LPARL Lockheed Palo Alto Research Laboratory

LPC laser particle counter

LPC limiting permissible concentrations

LPC Livermore Projects Committee (LLL)

LPC long-period comet

LPCI low-pressure coolant injection

LPCO Laboratory Policy Coordination Office

LPCTB low power cryogenic test bed

LPCVD low-pressure chemical vapor deposition

LPD log periodic dipole

LPE low probability of exploitation

LPG liquefied petroleum gas

LPG low-pressure gas

LPI laser plasma instability

LPI low-pressure injection

LPI low probability of intercept

LP I/C liquid propellant injector/combustor

LPN low-pressure nitrogen

LPO loop phase offset

LPP long plenum plug(s)

LPQ line printer queue

LPR Laboratory property removal form

LPR liquid-phase polymer-based retention

LPR low-pressure receiver

LPRC Laboratory Process Review Committee

LPRL Laboratory Property Removal/Loan form

LPRM local power range monitor

LPRM low-power range monitor

LPRSX low-pressure recirculation system heat exchanger

LPRT Laboratory project review team (EM/ER)

LPSS long-pulse spallation source

LPSU Liquid Propulsion Systems Unit (India)

LPSW low-pressure service water

LPT line printer (port)

LPX long-pulse experiment

LPZ low population zone

LQD low-Q diffractometer

LQPO Laboratory Quality & Planning Office

LRAD long-range alpha detector

LRC longitudinal redundancy check

LRED laser resonant electron detection

LREH Laboratory of Radiobiology and Environmental Health

LRF laser resonance fluorescence

LRG Laboratory Retirees Group

LRL Lawrence Radiation Laboratory

LRMECS low-resolution medium energy chopper system; spectrometer at IPNS

LRP long-rod penetrator

LRPC Laboratory Review Process Committee

LRR leak and repair reports

LRTNF long-range theater nuclear force(s)

LRU least recently used

LRW loss of river water (event or accident)

LS - LT

LS leave without pay-employee sick

LS level switch

LS Life Sciences Division, 8/79­

LS lighting system

LS Lunar Scout

LS (Sandia Laboratories, Livermore)

LSA labor surplus area (purchasing)

LSA low specific activity (radioactivity)

LSCD liquid/supercritical carbon dioxide

LSD land surface, depth from

LSD large size dry

LSD least significant digit

LSF load sharing facility

LSFF low-speed flow filtration

LSI large-scale integration

LSI legal support inspection (CWA)

LSI listing site inspection

LSIR limb-scanning infrared radiometer

LSL link support layer

LSL lump sum leave

LSM layered synthetic microstructure

LSND liquid (large) scintillator neutron/neutrino detector

LSO laser safety officer

LSP Laboratory Standards Project

LSP Laboratory Suggestion Program

LSP lighteset super symmetric particle

LSS laser subsystem

LSS licensing support system

LSSS limiting safety system settings

LST low-solvent technology

LSTB limited strategic test ban

LSTF Large Scale Test Facility (Japan)

LSTIS Laboratory Scientific and Technical Information System

LT lead time

LT leak testing

LT level transmitter

LT lieutenant (also Lt.)

LT lockout/tagout training (electrical)

LT Los Alamos Technical Associates (usually LATA)

LTA lead test assembly

LTA lead trial attorney

LTA less-than-adequate

LTB lithium tetraborate

LTBT Limited Test Ban Treaty

LTC lieutenant colonel

LTC load tap charger

LTC longitudinal time code (AV standard)

LTC low tritium column

LTD land treatment demonstration

LTD long-term disability

LTDC long-term data collection

LTE local thermodynamic equilibrium

LTG laboratory test group

LTG lieutenant general

LTHWR low-temperature heavy-water reactor

LTI Life Tech, Inc.

LTL less-than-truckload (transportation)

LTM long-term memory

LTM low-trajectory missile

LTNE low-technology nuclear explosive

LTO Laboratory Training Office

LTO landing-takeoff cycle

LTOP lease to purchase

LTP lockout/tagout permit

LTP long-term potentiation

LTPD lot tolerance percent defective

LTQ leadership through quality (DOE/AL)

LTR lead technical representative

LTR licensing topical reports

LTRA long-term response actions

LTS low-temperature sensitization

LTSS Livermore time-sharing system

LTU laboratory test unit

LTV large test vessel

LTVSM long-term visiting staff member

LU - LZ

LU Lehigh University

LU logical unit

LU lower-upper

LUA launch under attack

LUST leaking underground storage tank

LVA local vendor agreement (was BPA)

LVCVA Las Vegas Convention & Visitors Authority

LVDT linear variable differential transducers

LVMPD Las Vegas Metropolitan Police Dept.

LVQ learning vector quantization

LVS laser vibration sensor

LWBR light-water breeder reactor

LWC lost workday cases

LWC low water cutout

LWCF land and water conservation fund

LWD lost work day

LWIR long-wave infrared

LWIR Long Wavelength Infrared Senses

LWOP lease with option to purchase

LWOP leave without pay

LWP liquid waste processing

LWR light-water reactor

LWRP Livermore Water Reclamation Plant

LWTP liquid waste treatment plan/plant

LYNER low-yield nuclear explosive research

LYTTBT low-yield threshold test ban treat

M Return to Alphabet

M Experimental & Pit Division, 10/45­7/48

M Dynamic Testing Division, 9/72­12?/93

M mach number

M magnitude (Richter scale)

M manual (LA-series report designator)

M materials

M mega/million

M mill (government finance)

M moment magnitude

M molar concentration (molarity)

MA maintenance

MA Military Applications

M.A. magister artium; master of arts

MAA Magazine Area A (TA-28)

MAA material access area

MAAM mobile ambient air monitoring

MAB Magazine Area B (TA-29)

MAB man and biosphere program

MAB maximum allowable burp

Mabi Macintosh application binary interface

MAC Magazine Area C (TA-37)

MAC maximum allowable concentration

MAC media access control (communications)

MAC Military Airlift Command (FEMA)

Mach (UNIX kernel used in NeXT workstation, written at

Carnegie-Mellon Univ.)

MACS manipulation and beam collimation system

MACSYMA (symbolic program)

MACT Maximum Achievable Control Technology

MAD maintenance assembly-disassembly

MAD mean aerodynamic diameter

MAD mutually assured destruction

MADCAP model of advection, diffusion & chemistry for air pollution

MADV modulating atmospheric dump valve

MAE Macintosh Application Environment

MAER maximum allowable emission rate

MAERC Minority Access to Energy-Related Careers

MAG management advisory group

MAGLEV magnetic levitation

MAGO (magnetic compression of a fusion target; Russia)

MAN metropolitan area network

MANIAC mathematical analyzer, numerical integrator, and computer

MANTIS (CERN remote handling machine)

MAP Machinist Apprentice Program

MAP mitigation action plans

MAP mixed activation products

MAP multiple aim point system

MAPGLLE (symbolic program)

MAPS Manual of Administrative Procedures and Standards

MAPS Manual of ADP Policies and Procedures

MAR major assembly release

MARC machine readable cataloging

MARC Mining & Reclamation Council

MARI Mexico City Air Quality Research Initiative

MARMOT (Colorado libraries electronic system)

MARS materials at risk survey

MARS membrane aerobic (anaerobic) reactor system

MARS mirror advanced reactor study

MARS multiple application reservoir simulator

MARS (uranium separator research facility)

MARV maneuvering/able re-entry vehicle

MAS master assembly schedule

MASER microwave amplification by stimulated emission of light

MASINT measurement and signal intelligence

MASS mass storage system (computer files)

MASS Material Accountability and Safeguards System, Los Alamos

MAT materials management

MAT Materials Management Division, 10/80­12/93

MAT monitoring, analysis, and testing

MATC maximum allowable toxic(ant) concentration

MAU medium attachment unit

MAWP maximum allowable working pressure

MAWST materials accounting with sequential testing

MAX MAT Express System

MAXSPD maximum speed parameters

MAXST maximum surface (cladding) temperature

MAYAK (Russian parallel programming language)

MB machine basin

MB mass balance

MB megabyte

MB mixed bed

MBA material balance area

MBDA minority business development agency

MBE minority business enterprise

MBE molecular beam epitaxy

MBFR mutual and balanced force reductions

MBNQA Malcolm Baldridge National Quality Award

MBO management by objectives

MBONE multicast backbone

MBP microstrip beam probe

MC - MD

MC major component

MC management council

MC Marine Corps (U.S.)

MC master control

MC measurement and control

MC Member of Congress

MC military characteristics

MC modification center

MC multiple cycle

MCA Manufacturing Chemists Association

MCA maximum credible accident

MCA microchannel architecture (IBM term)

MCA multichannel analyzer

MC&A material(s) control and accountability

MCC manned control car

MCC Materials Characterization Center

MCC Microelectronics & Computer Technology Corporation

MCC motor control center(s)

MCDOR multiple cycle direct oxide reduction

MCDS mail channel directory system

MCE maximum credible event

MCE mean contaminant concentration in effluent

MCE mixed cellulose ester (filter)

MCF master control facility

MCGA multicolor graphics array (IBM standard)

MCI managed cost improvement

MCI MCI Communications, Inc.

MCI media control interface

MCI Microelectronics Computer Corp.

MCIC Marine Corps Intelligence Center

MCIS map & chart information system

MCL maximum contaminant/concentration level

MCLG maximum contaminant level guide/goal

MCM multichip module

MCMA Mexico City metropolitan area

MCN multiple crossbar network

MCNP Monte Carlo n-particle

MCNP Monte Carlo Neutron and Photon transport code (3-D)

MCP master control program

MCP microchannel plate

MCP municipal compliance plan (CWA)

MCPII microchannel plate image intensifiers

MCR manufacturing change request

MCR master control room

MCR material conformance report

MCS management control system

MCS minimal cut set efficiency

MCS multichannel spectrometer

MCSG mathematical and computational sciences group

MCTD modular component technology development

MCTD modular concept test development

MCTL Militarily Critical Technologies List

MCU mockup & compatibility unit

MCU multipoint control unit

MCWS moderator circulating water system

MD mail drop

MD management directive

MD microwave denitrification

MD microwave drying

MD moderator detritiation

MD molecular dynamics

MD Monsanto Research Co., Mound Laboratory

MD Mound Applied Technologies (plant)

MD Waste Disposal Site (TA-54)

MDA material disposal area

MDA methylenediarulline/dianiline

MDA minimum detectable activity

MDA monochrome display adapter

MDAC master data acquisition and control system

MDAD Monitoring and Data Analysis Division (EPA)

MDC Manufacturing Development Center

MDDO Maintenance Department (JCI)

MDE manufacturing development engineering

MDE molecular design of explosives

MDF methanol dehydrogenase

MDF mild detonation fuze

MDL method detection limit

MDL minimum detection limit

MDM modified diffusion method

MDPE maximum permissible dose equivalent

MDQ market-driven quality

MDR multi-drug resistant

MDSWG Mine Design Study Working Group

MDW mass destruction weapon(s)

ME - MH

ME miscellaneous equipment

ME Mössbauer effect

m/E. meines Erachtens; in my opinion (Germ.)

M&E material and equipment

MEA maximum exclusion allowance

MEB maximum expected burp

MEB medium energy booster

MEBT medium-energy beam transport

MEC Mechanical Fabrication Div., 3/81­?/93

MED Manhattan Engineer District

MED microwave evaporation and drying

MEDARS Medical Access and Retrieval System

MEDLINE (medical literature analysis and retrieval system)

MEEI manufacturing engineering equipment instruction

MEFS midterm energy forecasting system

MEG magnetoencephalography

MEGA muon (decays to) an electron & a gamma ray (experiment)

MEGAS multi-energy gamma assay system

MEI maximum exposed individual

MEK methyl ethyl ketone

MELCO Mitsubishi Electric Corp. (Japan)

MELPROG (core-melt progression code)

MELVYL (University of California Library System; named for Melvyl Dewey)

MEM modal emission model

MEMC Monsanto Electronic Materials Company

MENS mission element needs statement

MEO mediated electrochemical oxidation

MEP maximum extent possible

MEP mean effective pressure

MEP medium-energy physics

MEP multiple extraction procedure

MEPA modified extended Prony analysis

MEPAS Multimedia Environmental Pollutant Assessment System

MERLIN (plasma simulation code)

MESA mathematics, engineering, and science achievement (New Mexico)

MESA (3-dimensional Eulerian code)

MESF minimum engineered safety feature

MET metrology (DOC)

METC Morgantown Energy Technology Center (West Virginia)

METG military effects test group

MF management finding

MF microfiche

MF Mound Facility (Miamisburg, Ohio)

MFA miscellaneous federal agencies

MFB microwave fluidized-bed

MFBI major fuel burning installation

MFC mainframe computer

MFC master flow controller

MFCC mission flight control center (VAFB)

MFCG magnetic-flux compression generator

MFCI molten-fuel-and-coolant interaction

MFE magnetic fusion energy

MFL maximum forseeable loss

MFLOPS million floating-point operations per second

MFM modified frequency modulation (data recording)

MFP mixed fission product(s)

MFS Macintosh file system (preceded HFS)

MFT mean field theory (neural net)

MFWCS main feedwater and condensate system

MG major general

MG management group

MG motor generator

MGA multiple gas analyzer

MGA multiple group analysis

MGA2 (computer code)

MGDS Mines Geologic Disposal System

MGL multiple Greek letter

MG-MA motor generator-motor alternator

MGPF multiprogram general purpose facilities

MGT management

M&H Mason and Hangar (see PTLA)

MHA maximum hypothetical accident

MHC major histocompatibility complex (genome)

MHC mechanical-hydraulic control

MHD magnetohydrodynamic(s)

MHD moving-head disk

MHI Mitsubishi Heavy Industries, Ltd. (Japan)

MHRDR magneto-, hydro-, radiative dynamics research

MHRS modified hazard ranking system

MHS Mammoth Hot Springs

MHS message handling system (Novell, Inc.)

MHTGR modular high-temperature gas-cooled reactor

MHTS main heat transport system

MHW mixed hazardous waste

MI - MK

MI manufacturing instruction

MI Mariana Islands

MI Micom

MI mineral insulated

MI minority institution

MI multiple-instruction-stream computer

MIA magazine index assembler

MIA manual incident action/actuation

MIAC maintenance information and control

MIB management information base

MIB Military Intelligence Board

MIBK methyl isobutyl ketone

MIC metal inert gas

MIC methyl isocyanate

MIC microbiologically induced corrosion

MICCS Management Information and Commitment Control System

MICE management information capability for enforcement

MICE money, ideology, compromise, ego

MICM master interface control matrix

MicMac microscopic-macroscopic (modeling code)

MICN mobile intensive care nurse

MICR magnetic ink character recognition

MICROMORT (one chance per million of death from an

environmental hazard)

MICROTOX (bio-monitoring system)

MICV mechanized infantry combat vehicle

MIDAS mobile instrumentation data acquisition system

MIDEP mine detection by energetic photons

MIDI musical instrument digital interface

MIE major item(s) of equipment/expense

M&IE meals and incidental expenses

MIG metal inert gas

MILES multiple integrated laser engagement system

MILNET military packet network

MILO magnetically insulated line oscillator

MIMAS Multifield Integrated Meltdown Analysis System

MIMD multiple instruction multiple data

MIME multipurpose Internet mail extension

MiniFCM minature flow cytometer

MINIMARS (small design for tandem-mirror advanced reactor study)

MINX multigroup interpretation of nuclear x-sections

MIO material integration office

MIP material in process

MIP microwave-induced plasma

MIPR military interagency purchase request

MIPR military interdepartmental purchase req.

MIPS million instructions per second

MIR major impact report

MIR maximum individual risk

MIR Midday Intelligence Report (CIA)

MIRA Monterey Institute for Research in Astronomy

MIRA Monthly Index of Russian Accessions

MIRA multifunctional inertial reference assembly (USAF)

MIRL medium intensity runway lighting

MIRP military interdepartmental purchase request

MIRR materials issued review report

MIRV multiple independently targetable/targeted re-entry vehicle

MIS management information system

MIS microwave incinerator system

MIS modified in situ

MISGS multiple isotope segmented gamma ray scanner

MISS moderator isotope separation system

MIST multiple-loop integral system test

MIT Massachusetts Institute of Technology

MIT materials interaction test

MIT mitigation instrument tree

MIT multifunction instrument tree

MITE Mathematics Institute for Teacher Enhancement

MITI Ministry of International Trade and Industry (Japan)

MITR Massachusetts Institute of Technology Reactor

MITRE MITRE Corp. (USAF think tank)

MITV Microsoft interactive television

MJTG Mitigation Joint Test Group

MK, Mk Mark (number; weapon nomenclature)

MKS meter-kilogram-second

ML - MO

ML material list

ML maximum likelihood

ML military leave (attendance code)

MLAP migrant legal action program

MLBW multi-level Breit-Wigner (cross section)

MLC Military Liaison Committee

MLCK myosin light chain kinase

MLD master logic diagram

MLD median lethal dose

MLD Military Liaison Department (SNL)

MLD multilayer dielectric

MLID multiple link interface driver(s)

MLIS molecular laser isotope separation

MLM Mound Laboratory, Miamisburg, Ohio

MLNSC Manual Lujan Jr. Neutron Scattering Center

MLOA medical leave of absence

MLP multi-layer perceptron (neural net)

MLRS multiple-launch rocket system

MLS multilevel security

MLSS mixed liquor suspended solids

MLU memory look-up

MLV magnetic levitation vehicle

MLVSS mixed liquor volatile suspended solids

MLWM medium-energy light-water-moderated industrial nuclear reactor (U.K.)

MM meeting maker (software)

MM metadata manager for HPSS

MM modified Mercalli

M&M Maintenance Management Committee

M&M monitoring and mitigation (agreement)

MMACS multi-media access centers

MMAD mass medium aerodynamic diameter

MMC maximum material condition

MMC metal matrix composites

MMC Middle Management Council

MMCD multimedia compact disk

MMD mass median diameter

MMH monomethyl hydrazine

MMI man/machine interface

MMI modified Mercalli intensity

MMIC microwave monolithic integrated circuit

MM II Minuteman II

MMM Materials Management Manual

MMMF man-made mineral fiber

MMO Maintenance Management Office

MMP Masters in Management Program

MMP Meteorological Monitoring Plan

MMRBM mobile medium-range ballistic missile

MMS mineral management service

MMS monolithic microwave systems

MM&S management, medical & security (report form; PSAP)

MMT million metric tons

m/n moneda nacional (peso)

MNIA multinational nuclear incident agreement

MNP maximum negative pressure

MNP Microcom Networking Protocol

MNS master nuclear schedule

MO magneto-optical (hard drive)

MO Mars Observer

MO mixed oxide

MO molecular orbital

M&O management and operating (contractors)

M&O management and oversight

MOA memorandum of agreement

MOC maintenance, operations, and construction

MOC margin of control (criticality)

MOCVD metal oxide chemical vapor deposition

MOD Ministry of Defense, United Kingdom

MOD miscellaneous obligation document

MOD modification

MODCAP (programming language)

MOE margin of exposure

MOI maintenance operating instruction

MOI memorandum of information/intent

MOIV motor-operated isolation valve

MONAL Mobile Nondestructive Assay Laboratory

MOO multiuser object-oriented

MOP maintenance outline procedure

MOPA master oscillator power amplifier

MOR modulus of rupture

MORT management oversight (and) risk tree

MOS margin of safety

MOS metal oxide semiconductor

MOS military occupational specialty

MOSES massive open systems environment standards

MOSFET metal oxide semiconductor field-effect transistor

MOST Maynard operation sequence techniques

MOSTAB modular stability derivative program

MOT Ministry of Transportation (Japan)

MOTIS message oriented text interchange system

MOTR multiple object tracking radar (phase array, VAFB)

MOU memorandum of understanding

MOV motor-operated valve(s)

MOVPE metallorganic vapor-phase epitaxy

MOX mixed-oxide (fuel)

MOXE monitoring x-ray experiment

MP - MS

MP maintenance procedure

MP major project

MP management plan

MP massively parallel

MP medium energy physics

MP Medium Energy Physics Division, 7/65­?/93

MP melting point

MP Meson Physics (TA-53)

MP Meson Physics (former division)

MP military police

MP miscellaneous processing

MPA magnetospheric plasma analyzer

MPAI maximum permissible annual intake

MPBB maximum permissible body burden

MPBX multiple-point borehole extensometer

MPC major procurement

MPC maximum permissible concentration

MPC multimedia personal computer

MPCA maximum permissible concentration in air

MPC&A materials protection, control, and accounting/accountability

MPCS moderator primary coolant system

MPD magnetoplasmadynamic

MPD maximum permissible dose

MPE major program element

MPE maximum permissible exposure

MPEG Motion Picture Experts Group

MPF maximum probable fire

MPF Meson Physics Facility (TA-53)

MPFB microwave plasma fluidized bed

MPGS multi-purpose graphics system (Cray)

MPI message passing interface

MPIF Metal Powder Industries Federation

MPL master parts list

MPL maximum permissible (concentration) level

MPL maximum possible loss

MPL Metals Preparation Line

MPN most probable number

MPP massively parallel processing

MPPF multipurpose processing facility

MPR multiprotocol router

MPRSA Marine Protection, Research & Sanctuaries Act (1972)

MPS multiple protective structure

MPT magnetic particle testing

MPT Ministry of Posts & Telecommunications (Japan)

MPV mobile packaging van

MPW Macintosh Programming Workshop

MPWG Mechanical Properties Working Group

MPX multiplexer

MQ medical questionnaire (respirator)

MQL method quantitation limit

MQW multiple quantum well

MR magneto-resistive (recording heads, Fujitsu)

MR Mail and Records Group, 7/49­10/70

MR material regulation

MR Mini-Review

MR modification request

MRA military research associate

MRA Military Research Associates

MRA minimum retirement age

MRA mission risk assessment

MRB Materials Review Board

MRBM medium-range ballistic missile

MRC Medical Research Council (Great Britain)

MRC Mission Research Corporation

MRD Management Review Division (DOE)

MRDC Medical Research and Development Command (U.S. Army)

MRF materials recovery facility

MRF Metal Recovery Facility

MRI magnetic resonance imaging

MRL Medical Research Laboratory (TA-32)

MRM miscellaneous radioactive material

mRNA messenger ribonucleic acid

MRO maintenance repair order

MRO medical review officer

MRP manufacturing resource planning

MRP medical radioisotope program

MRP multi-roller press (sludge dryer)

MRR material receiving report

MRR minimum residual radioactivity (weapon)

MRR motorized rifle (all-arms) regiment (Russia)

MRRP Medical Radioisotopes Research Program

MRRR mixed residue reduction report

MRS medium resolution spectrometer

MRS military requirement schedule

MRS moderator recovery system

MRS monitored retrievable storage

MRSID multiresolution seamless images database

MRT maintenance response team

MRT mean radiant temperature

MRTI Moscow RadioTechnical Institute

MRV multiple re-entry vehicle

MS mail stop

MS manuscript (LA-series report designator)

MS margin of safety

MS mass spectrometer/spectrometry

MS matrix spike

MS mean square

MS medical services

MS Microsoft (Microsoft, Corp. trademark)

MS milestone

MS military standard

MS multilateral staff

M&S materials and services

MSA major support area

MSA major systems acquisition

MSA Maritime Safety Agency (Japan)

MSA metropolitan statistical area

MSA Mine Safety Appliances Co.

MSAD mechanical safe & arm detonator

MSAM multikeyed indexed sequential file access method

MSB modern strategic bomb

MSB molecular sieve bed

MSB most significant bit

MSBE Molten Salt Breeder Experiment

MSBR molten salt breeder reactor

MSCA Multi-Site Cooperative Agreement

MSD microwave spray drying

MSD molten salt destruction

MSDA mechanical safing and arming device

MSDS material safety data sheet

MSE material safety experiments

MSE molten salt extraction

MSF management system factor

MSF Microcomputer Support Facility (SM-30, Electronics Maintenance)

MSHA Mine Safety and Health Administration

MSI maintenance standard instructions

MSI medium scale integration

MSIV mean steam isolation valve

MSL main steam line

MSL Management System Laboratory

MSL Materials Science Laboratory

MSL mean sea level

MSLD mass spectrometer leak detector

MSO major sponsoring organization

MSO molten salt oxidation

MSO multiple system operator (cable television)

MSR mammalian selectivity ratio

MSR material ship/shipping reporting

MSR material status report

MSR molten salt reactor

MSR monthly status reports

MSR multiplicity shift register

MSRF modular size reduction facility

MSRS molecular sieve regeneration system

MSS mobile satellite service

MSS modified scram system

MSSA master safeguards and security agreement

MSSG message

MSSM minimal sypersymmetric standard model

MSSR milestone schedule and status report

MST materials science and technology

MST Materials Science and Technology Division, 8/82­

MSTI miniature seeker technology integration

MSTT molten salt thermal treatment (method)

MSW Microsoft Word (word processor)

MSW Mikheyev- Smirnov- Wolfenstein (effect; neutrino oscillation, mass)

MSWLF Municipal Solid Waste Landfill

MT - MZ

MT magnetic (particle) testing (NDE method)

MT measured time

MT measurement technology

MT megatons

MT moderator detritiation

MTA Macintosh telephony architecture

MTA major technical area

MTAC Machine Technology Access Center

MTAG Manufacturing Technical Advisory Group

MTB Materials Transportation Bureau

MTBE methyl tertiary butyl ether

MTBF mean time between failures

MTC main tritium column

MTC moderator temperature equivalent

MTC modified total cost

MTCR missile technology control regime

MTD manufacturing technology development

MTD maximum tolerated dose

MTD minimum tolerated dose

MTE measurement and test equipment (also M&TE)

MTF magnetized target fusion

MTF mean time to failure

MTF memorandum-to-file

MTF modulation transfer function

MTG media task group

MTHM metric tons of heavy metal

MTI maintenance team inspection

MTI multispectral thermal imager/imaging

MTL Materials Division (see MST)

MTR materials test reactor

MTS mechanical threshold stress (model; Mesa Code)

MTSAA multidiscipline technical safety assurance appraisal

MTTP maximum total trihalomethane potential

MTTR mean time to repair

MTU maximum transmission unit

MTU metric tons of uranium

MTU mobile treatment unit

MTV mobile technology vehicle

MU makeup

MUD multiple-user dimension (network)

MUD multi-user dungeon (network)

MUF material unaccounted for

MUFFIN multi-user file for interagency news

MUR mock-up reactor

MUSE multiuser system

MUSIC multiple signal characterization

MUSIC multiple signal classification (method) (RF direction-finding

algorithm)

MUTCD Manual on Uniform Traffic Control Devices

MUX multiplexer

MVA motor vehicle accident

MVA multivariate analysis

MVAPCA Motor Vehicle Air Pollution Control Act

MVDM multiple virtual DOS machines

MVM matrix-vector multiplier

MVP multimedia video processor, Texas Instruments

MVRS marine vapor recovery system

MW maximum window

MW mixed waste

MW molecular weight

MWB maximum window burp

M&WBE minority and women-owned business enterprise

MWC municipal waste combustor

MWDC multiwire drift chamber

MWDF mixed waste disposal facility

MW dry microwave drying

MW(E) megawatt electric

MWG milliwatt generator

MWG model working group

MWIR medium-wave(length) infrared

MWL municipal waste leachate

MWMF mixed waste management facility

MWO maintenance work order

MWPC multiwire proportional chamber

MWR method of weighted residuals

MWSDF mixed waste storage, disposal facility

MWTA Medical Waste Tracking Act

MWTP mixed waste treatment project

MW(Th) megawatt thermal

MX mail exchange (record)

MX metal-halogen

MX missile experimental (mobile missile; Peacekeeper ICBM)

MY million years

MYBP million years before present

MYDP multiyear development plan

MYPP multiple-year program plan

N Return to Alphabet

N East Receiving Yard (TA-31)

N (LLL code for unclassified data)

N (marker for CNWDI nuclear weapon data)

N normality

N Nuclear Rocket Propulsion Division, 4/55­6/73

N Nuclear Technology and Engineering Division, 2/87­12/93

NA National Archives

NA nonattainment

NA North American [identification number]

NA not applicable/available (also N/A)

NAA neutron activation analysis

NAA nonattainment area(s)

NAA nuclear accidents agreement

NAAG National Association of Attorneys General

NAAQS National Ambient Air Quality Standards

NAAS nitrate aqueous actinide separation

NAB National Association of Broadcasters

NAC national agency check

NAC National Asbestos Council

NAC Nevada Administrative Code

NAC nonproliferation and arms control

NACE National Association of Corrosion Engineer

NACS National Advisory Committee on Semiconductors

NACS Northwest Academic Computing Consortium

NAD nuclear accident dosimetry

NADB National Atmospheric Data Bank

NADC Naval Air Development Center

NADIR Network Anomaly Detection & Intrusion Reporter

NADP National Atmospheric Deposition Program

NADW North Atlantic deep water

NAE National Academy of Engineering

NAEP National Association of Educational Progress

NAFB Nellis Air Force Base

NAFB Norton Air Force Base

NAFBR Nellis Air Force Bombing Range

NAFR Nellis Air Force Range

NAHIP Native American and Hispanics Internship Program

NAK negative acknowledgment

NAL National Aerospace Laboratory (Japan)

NAL National Agricultural Library

NALF Naval Auxiliary Landing Field

NAM National Atomic Museum (KAFB, Albuquerque)

NAM nitric acid monohydrate

NAMA National Air Monitoring Audits

NAMS National Air Monitoring Station

NAMS National Air Monitoring System

NANCO National Association of Noise Control Officials

NAP network access point

NAPA National Academy of Public Administration

NAPAP National Acid Precipitation Assessment Program

NAPBP National Air Pollution Background Program

NAPL non-aqueous-phase liquid

NAR National Asbestos Registry

NARA National Archives & Records Administration

NARM Naturally Occurring/Accelerator Produced Radioactive Materials

NARP nuclear weapon accident response procedure

NARR narrative (teletype transmission)

NARS National Asbestos-Contractor Registry System

NAS National Academy of Sciences

NAS National Audubon Society

NAS nuclear assembly system

NASA National Aeronautics and Space Administration

NASDA National Space Development Agency (Japan)

NASIG Numerical Analysis Special Interest Group

NASP National Aerospace Plane

NASQAN National Air Stream Quality Accounting Network

NASS numerical aerodynamics simulation system

NAT nitric acid trihydrate

NAT nuclear assembly test

NATALSCO National Loss Service Corp.

NATICH National Air Toxics Information Clearinghouse

NATO North Atlantic Treaty Organization

NAVAID navigational aid (nondirectional beacon)

NAVAIR Naval Air Systems Command

NAVELEX Naval Electronics System Command

NAVI Nuclear Arms Verification Instrument

NAVMIC Naval Maritime Intelligence Center

NAVSEA Naval Sea Systems Command

NAVSTAR navigation satellite system using time and ranging

NAWAS National Warning System

NAWC Naval Air Warfare Center

NAWDEX National Water Data Exchange

NAWQC National Ambient Water Quality Criteria

NB - ND

NB nuclear boiler

NBAR nonbinding allocation of authority

NBB no bulk boiling

NBC nuclear, biological, and chemical

NBI neutral beam interface

NBL New Brunswick Laboratory

NBP normal boiling point

NBS National Bureau of Standards (now NIST)

NC neutron controller

NC nitrocellulose

NC no charge

NC noncarcinogen

NC nonconvective

NC normal cleanup

NC normally closed

NC not calculated

NC nuclear chemistry

NCA National Coal Association

NCA National Command Authority

NCA Network Computer Architecture (Apollo)

NCA Noise Control Act

NCAC National Clean Air Coalition

NCADD National Commission Against Drunk Driving

NCADD National Council on Alcoholism and Drug Dependence

NCAF National Clean Air Fund

NCAIC nuclear chemical accident/incident control

NCAR National Center for Atmospheric Research (Boulder, Colorado)

NCAT National Center for Advanced Technologies

NCAW neutralized current acid waste

NCC National Climatic Center

NCC neutron coincidence counter

NCCW noncontact cooling water

NCD Network Copy Detection (Aldus Corp.)

NCF no containment failure

NCGIA National Center for Geographic Information and Analysis

n.Chr. nach Christus; A.D. (German)

NCI National Cancer Institute

NCIC National Crime Identification Center

NCIC National Crime Information Center

NCISC Naval Counterintelligence Support Center

NCLR Netherlands Center for Laser Research

NCM notice of commencement of manufacture (TSCA)

NCMS National Center for Manufacturing Sciences

NCNR National Center for Neutron Research

NCO negotiated consent order

NCO NEPA Compliance Office(r)

NCO noncommissioned officer

NCP National Contingency Plan (CERCLA)

NCP National Oil and Hazardous Substances Contingency Plan

NCP net community productivity

NCP noncompliance penalties (CAA)

NCP nonconformance penalty

NCR National Cash Register, Inc.

NCR noncompliance report (CWA)

NCR nonconformance report(s)

NCR notification of change report

NCRA National Cooperative Research Act

NCRC National Defense Research Committee

NCRP National Council on Radiation Protection

NCRPM National Council on Radiation Protection & Measurements

NCRW neutralized cladding removal waste

NCS National Communications System

NCS network computing system

NCS nuclear criticality safety

NCSA National Center for Supercomputer Applications

NCSC National Computer Security Center

NCSC Nuclear Criticality Safety Committee

NCSL National Conference of State Legislatures

NCSU North Carolina State University

NCTM National Council of Teachers of Mathematics

NCTTA National Competitiveness and Technology Transfer Act (1989)

NCV nerve conduction velocity

NCVECS National Center for Vehicle Emissions Control and Safety

ND network diagram

ND nondispersion

ND not detected/detectable

ND not determined

NDA national defense area (FEMA)

NDA no detectable activity

NDA nondestructive assay

NDAA National Defense Authorization Act

NDB nuclear depth bomb

NDCNR Nevada Department of Conservation and Natural Resources

NDD negotiated/negotiation decision document

NDDN National Dry Deposition Network

NDE nondestructive examination/evaluation

NDEP Nevada Department of Environmental Protection

NDEW nuclear directed-energy weapon

NDH Nevada Department of Health

NDHPA Nevada Division of Historic Preservation and Archaeology

NDI nondestructive inspection

NDI Non-Industrial Disability Insurance

NDIR nondispersive infrared analysis

NDM nondeployed missile

NDOSH Nevada Division of Occupational Safety and Health

NDP neutron detector package

NDRH Nevada Division of Radiological Health

NDS National Dioxin Study

NDS national disposal site

NDS Netware Directory Services

NDS neutron discrimination sensor

NDS NUDET detection system

NDSL Nevada Division of State Lands

NDST network dedicated systems time

NDT net data throughput

NDT nondestructive test(ing)

NDTT nil-ductility transition temperature

NDW Nevada Department of Wildlife

NDWR Nevada Division of Water Resources

Nd:YAG neodymium-doped yttrium-aluminum-garnet (laser)

NE - NI

NE nuclear energy

NE Nuclear Energy (DOE office)

NEA National Energy Act

NEA negative electron affinity

NEA Nuclear Energy Agency (OECD)

NEAR near-Earth asteroid rendezvous

NEC National Ecology Center

NEC National Electrical Code (high voltage)

NEC Nippon Electric Co. (Japan)

NED Nuclear Engineering Department (SRL)

NEDM nuclear event detonation monitoring

NEDO New Energy Development Organization (Japan)

NEDS National Emissions Data System (CAA)

NEEC National Environmental Enforcement Council (NAAG)

NEEJ National Environmental Enforcement Journal (NAAG)

NEIC National Enforcement Investigations Center (EPA)

NELA nuclear-explosive-like assembly

NEM nodal expansion method (3D TRAC)

NEMA National Electrical Manufacturers Assn.

NENIX Northern New Mexico Environmental Information Exchange

NEMP nuclear electromagnetic pulse

NEOP nuclear explosive operating procedure

NEP National Energy Plan

NEP National Estuary Program

NEP noise equivalent power

NEP nuclear electric propulsion

NEPA National Environmental Policy Act, 1969

NEPSTP Nuclear Energy Propulsion Space Test Program

NER National Emissions Report

NERC National Ecology Research Center

NERD network event recording device

NEROS Northeast Regional Oxidant Study

NERP National Environmental Research Park

NERSC National Energy Research Software Center

NERSC National Energy Research Supercomputer Center (formerly NMFECC)

NERVA nuclear engine for rocket vehicle applications (Westinghouse, ROVER)

NES National Energy Strategy

NES nuclear engineering section

NESC National Electrical Safety Code

NESC National Energy Software Center (obsolete; see ESTSC)

NESF normal engineered safety feature

NESHAP National Emission Standards for Hazardous Air Pollutants

NESP National Environmental Studies Project

NESS nuclear explosives safety study

NEST nuclear emergency search team

NET network entity title (telecom.)

NET90 network modernization project

NETA National Environmental Training Association

NetBIOS network basic input/output system

NETG National Education Training Group (Napierville, IL)

NETR Nuclear Engineering Test Reactor

NETTING (emissions reduction credit trading)

NEVIS nuclear detonation verification & intelligence system

NEW Nuclear Energy Women

NEWNET neighborhood environmental watch network

NEWS network extensible windowing system

NExT natural excitation technique (Sandia)

NeXT NeXT, Inc.

NF neutron flux

NF-1 Nuclear Furnace

NFA no flow assembly(ies)

NFA no further action

NFAD nuclear forces analysis division

NFAN national filter analysis network

NFC no further consequences

NFCR National Flow Cytometry Resource

NFCSRR National Flow Cytometry and Sorting Research Resource

NFFE National Federation of Federal Employees

NFIB National Foreign Intelligence Board

NFIP National Foreign Intelligence Program

NFPA National Fire Protection Association

NFR no further requirement(s)

NFRP Natural Fission Reactor Program

NFS net feet squared

NFS network file server

NFT Nuclear Filter Technology, Inc., Golden, CO

NG nitroglycerin

NG noble gas

NGA NATO (mutual balanced force reduction) Guidelines Area

NGI Norges Geotekniske Institute (Norway)

NGP National Grid Project

NGP nearest grid point

NGR neutron generator report

NGRTI Nuclear GES Requirements Technical Information

NGRVA Nuclear Engine for Rocket Vehicle Applications (NERVA)

NGTT National Gas Taper Thread

NGV natural gas vehicle

NGVD national geodetic vertical datum

NGWIC National Ground Water Information Center

NHC Numatec Hanford Corp.

NHF New Hydrostructure Facility

NHCD National HUMINT Collection Directive

NHE normal hydrogen electrode

NHMFL National High Magnetic Field Laboratory

NHP Nevada Highway Patrol

NHPA National Historical Preservation Act

NIC Naval Intelligence Command

NIC National Intelligence Council

NIC network information center

NICARE nickel carbonyl release experiment

NICET National Institute for Certification of Engineering Technologies

NID National Intelligence Daily, CIA

NIDA National Institute on Drug Abuse

NIE National Intelligence Estimates

NIE national-scale information enterprises (ARPA Grand Challenge systems)

NIEHS National Institute for Environmental Health Science

NIEI National Indoor Environmental Institute

NIF National Ignition Facility

NIFC National Interagency Fire Center

NIH National Institutes of Health

NIHL noise-induced hearing loss

NII National Information Infrastructure

NIIT NII Testbed

NIM national impact model

NIM nuclear incident monitor

NIM nuclear instrument module

NIMBY not in my backyard

NIOSH National Institute of Occupational Safety and Health

NIP new ideas program

NIP Nuclear Intelligence Panel

NIPER National Institute for Petroleum & Energy Research

NIPO Naval International Programs Office

NIPS Naval Intelligence Processing System

NIPSSA Naval Intelligence Processing Systems Support Activity

NIR near infrared

NIS network information services

NIS newly independent states (of FSU)

NIS noise information system

NIS Nonproliferation and International Security Division, 10/93-

NIS nuclear instrumentation system

NISP National Industrial Security Program

NISS NSC (Nuclear Suppliers Group) Information Sharing System

NISS Nuclear Information Suppliers System

NIST National Industrial Security Program

NIST National Institute of Standards and Technology (DOC, Gaithersburg, MD)

NIST Nonproliferation & International Security Technology Division

NIT network interface tap

NITO/W Naval Intelligence Tasking Office, Warning & Crisis Management

NIUF North American ISDN Users Forum

NJ - NN

NJOY (Nuclear Data Processing System, nuclear cross-section processing code)

NKG Nishimura-Kamata-Greissen

NL Numerical Laboratory

NLETS National Law Enforcement Teletype System

NLGLP National Laboratory Gene Library Project

NLLS nonlinear least squares

NLM National Library of Medicine (Bethesda)

NLM Netware loadable module

NLO National Lead of Ohio, Inc.

NLQ near-letter quality (printing)

NLRA National Labor Relations Act

NLRB National Labor Relations Board

NLS national launch system

NLT not/no later than

NLTC no-load tap changer

NLU normal latchup

NLVF North Las Vegas Facility (assembly)

NM nautical mile

NM New Mexico

NM nuclear materials

NM Nuclear Materials and Complex 21 Program Office

NMASE New Mexico Alliance for Science Education

NMATR New Mexico Alliance for Transportation Research

NMC Nuclear Material Convention

NMCAF Nuclear Material Control and Accountability Handbook

NMCC New Mexico Communicators Council

NMCC New Mexico Corporation Commission

NMDA N-methyl-D-aspartate

NMDO NTS Support Department (JCI)

NMDOH New Mexico Department of Health

NMED New Mexico Environment Department

NMEIB New Mexico Environmental Improvement Board

NMEID New Mexico Environmental Improvement Division

NMERDI New Mexico Energy Research and Development Institute (DoD)

NMFE Nuclide Migration Field Experiment

NMFECC National Magnetic Fusion Energy Computing Center (now NERSC)

NMFEG Nuclide Migration Field Experiment in Granite

NMFET Nuclide Migration Field Experiment in Tuff

NMFT new material flight test(s)

NMGRT New Mexico gross receipts tax

NMHC nonmethane hydrocarbons

NMHU New Mexico Highlands University

NMHWMR New Mexico Hazardous Waste Management Regulations

NMI neuromagnetic imaging

NMICC National Military Intelligence Collection Center

NMIMT New Mexico Institute of Mining and Technology

NMINC New Mexico Industry Network Corporation (NM Econ. Development Corp.)

NMIPC National Military Intelligence Production Center

NMIS nuclear materials inventory system

NMISC National Military Intelligence Support Center

NMJIC National Military Joint Intelligence Center

NML New Mexico legislature

NML Nonmagnetic Laboratory (DOC)

NMLT new materials laboratory test(s)

NMLWDR New Mexico Liquid Waste Disposal Regulations

NMM nuclear materials management

NMMSS nuclear material management safety & safeguards

NMMSS nuclear materials management and safeguards system

NMOC nonmethane organic compounds

NMODC New Mexico Oil Conservation District

NMOS negative metal oxide semiconductor

NMP national municipal policy

NMP n-methylpyrrolidone

NMP Nuclear Materials Production (DOE)

NMP nuclear materials production

NMPCA New Mexico Pesticide Control Act

NMP&M nuclear materials production and manufacturing

NMQA New Mexico Quality Award

NMR nuclear magnetic resonance

NM/RFTO (Los Alamos' Rocky Flats Technology Office)

NMRGWS New Mexico regulations governing water supplies

NMRT Nuclear Materials Reconfiguration Technology

NMS neuromagnetic stimulation

NMS neutral meson spectrometer

NMS neutron monitoring system

NMS nuclear materials safeguards

NMSA New Mexico Statutes Annotated

NMSEO New Mexico State Engineer Office

NMSEP new material and stockpile evaluation plan

NMSES new material & stockpile evaluation schedule

NMSF nuclear materials storage facility

NMSHTD New Mexico State Highway & Transportation Department

NMSL nuclear materials safety limits

NMSM nuclear materials and stockpile management

NMSS Office of Nuclear Material Safety & Safeguards

NMST new material system test

NMSTG Nuclear Materials Stabilization Task Group

NMSU New Mexico State University

NMT Nuclear Materials Technology Division

NMTD New Mexico Transportation Department

NMTP National Machine Tool Partnership (ESA)

NMUSTR New Mexico Underground Storage Tank Regulations

NMWCA New Mexico Workers' Compensation Act

NMWQCCR New Mexico Water Quality Control Commission Regulations

NMWQR New Mexico Water Quality Regulations

NMWU nominal molecular weight unit(s)

NNC notice of noncompliance (TSCA)

NNDC National Nuclear Data Center (BNL)

NNDEW nonnuclear directed energy weapons

NNDT nonnuclear defense technology

NNF nonreactor nuclear facility

NNI nonnuclear instrumentation

NNM nearest neighbor model

NNMCAT Northern New Mexico Consortium for the Advancement of Technology

NNMCC Northern New Mexico Community College

NNPA Nuclear Non-Proliferation Act (1978)

NNPI naval nuclear propulsion information

NNPSPP National Non-Point Source Pollution Program

NNTP network news transfer protocol (ICN)

NNWH nonnuclear warhead

NNWS nonnuclear weapon state(s)

NNWSI Nevada Nuclear Waste Storage Investigation (Project); see YMP

NO - NQ

NO normally open

NOA new obligation authority

NOA notice of availability

NOAA National Oceanographic and Atmospheric Administration

NOAEL non-observed adverse effect level

NOC network operations center

NOC notice of commencement

NOCS Nevada Office of Community Service

NOD notice of deficiency (RCRA)

NOEL no observed effect level

NOFORN (no foreign dissemination allowed)

NOG nuclear overhead gantry

NOGO not officially government owned

NOHSCP National Oil and Hazardous Substance Contingency Plan

NOI notice of intent

NOI notice of intent to discharge

n.o.i.b.n. not otherwise indexed by name

NOL Naval Ordnance Laboratory

NOL normal operating loss

NOLA NCAR online library access

NOM noble metal

NON notice of noncompliance (TSCA)

non obs. non obstante; notwithstanding

non seq. non sequitur; it does not follow

NOP normal operating procedure

NOP not otherwise provided (for)

NORC nuclear ordnance record card

NORCUS Northwest College & University Association for Science

NORM naturally occurring radioactive material

NORSAR Norway seismic array

Norton SI Norton System Information (program)

NOS Network Operating System (Control Data)

NOS not otherwise specified

NOSC Naval Ocean Systems Center (San Diego)

NOTAM Notice to Airmen

NOV notice of violation (CAA/CWA/FIFRA)

NOV/CD notice of violation/compliance demand

NOW nonhazardous oil field waste

NOX nitrogen (nitrous) oxide

NP natural phenomena

NP negative pressure

NP new production

NP New Production Reactor (DOE office)

NP noteworthy practice

NP&AA Noise Pollution and Abatement Act, 1970

NPAR Nuclear Plant Aging Research Program

NPB neutral particle beam

NPBSE neutral particle beam space experiment

NPC Nonproliferation Center, CIA

NPCA National Paint & Coating Assn.

NPCA National Parks & Conservation Association

NPCCW negative pressure chilled circulating water

NPCP nuclear production contingency plan

NPCW negative pressure chilled water

NPD neutron powder diffractometer

NPDES National Pollutant Discharge Elimination System (CWA)

NPDR nuclear preliminary design review

NPDWR National Primary Drinking Water Regulations

NPF nuclear power facility

NPG Nevada Proving Ground; see NTS

NPH natural phenomena hazard

NPH normal paraffin hydrocarbon

NP-HWR New Production Heavy-Water Reactor

NPI nonprecision instrument

NPIC National Photographic Interpretation Center (CIA)

NPIRES National Pesticide Information Retrieval System

NPL National Priorities List (CERCLA)

NP-LWR New Production Light-Water Reactor

NPMA National Property Management Association

NP-MHTGR New Production Modular High-Temperature

Gas-Cooled Reactor

NPN national particulate network

NPO NWTS Program Office (DOE)

NPP Net Primary Productivity

NPP nuclear power plant(s)

NPR National Performance Review

NPR neutron production reactor

NPR New Production Reactor

NPR Nuclear Posture Review

NPRM notice of proposed rulemaking

NPS National Park Service

NPS National Permit Strategy

NPS nominal pipe size

NPS non-point source

NPSC National Physical Science Consortium

NPSH net positive suction head

NPSS Nuclear and Plasma ScienceSociety

NPSS numerical propulsion system simulation

NPT (American Standard Tape Pipe Thread)

NPT (Treaty on the Nonproliferation of Nuclear Weapons)

NPTN National Public Telecomputing Network

NPTRC Non-proliferation Treaty Review Conference

NQA nuclear quality assurance (ANSI/ASME)

NQA-1 nuclear quality assurance guideline

NQF neutron quality factor

NQS network queuing system

NQT non-quenched and -tempered (steel)

NR - NS

NR narrow resonance

NR naturally radioactive

NR naval reactor

NR network report

NR nonconformance report

NR no recovery

NR not reported

NRA National Recreation Area

NRAC Naval Research Advisory Committee

NRAM nonradioactive material

NRC National Research Council

NRC National Response Center

NRC nonreusable container(s)

NRC Nuclear Regulatory Commission

NRD Neutron REM Detector

NRDA Natural Resource Damage Assessment

NRDA Nevada Research and Development Area

NRDC National Resources Defense Council

NRDS Nuclear Rocket Development Station

NREL National Renewable Energy Laboratory (Golden, CO) (formerly SERI)

NREN National Research and Educational Network

NRF Naval Reactors Facility (Office of Naval Reactors)

NRIM narrow resonance infinite mass

NRL Naval Research Laboratory

NRM normal response mode

NRN National Research Network (now NREN)

NRO National Reconnaissance Office (DoD)

NRO no reorder (status)

NROFF new runoff (UNIX text formatter)

NRR Nuclear Reactor Regulation (Office of)

NRR nuclear regulatory research

NRRC Nuclear Risk Reduction Center

NRRDS neutron resonance radiography diffraction/spectroscopy (LANSCE)

NRRPT National Registry of Radiation Protection Technologists

NRS national reconnaissance office

NRS near reactor shield

NRS Nevada Revised Statutes

NRSA National Remote Sensing Agency (India)

NRT national response team(s)

NRTA near-real-time accounting

NRW nonradioactive waste

NRX nuclear rocket experiment

NRZ nonreturn to zero

NRZI nonreturn to zero inverted

NS name server (for HPSS)

NS near side

NS neutralized solution

NS not scheduled (attendance code)

NS not significant

NS nuclear safety (office)

NS nuclear ship

NSA National Security Agency

NSA national security area

NSA negative security assurances

NSA neutron source assembly

NSA Nuclear Science Abstracts

NSAB National Security Advisory Board

NSAC Nuclear Safety Analysis Center

NSAC Nuclear Science Advisory Committee

NSAP network service access point

NSC National Safety Council

NSC National Security Council

NSC network security controller

NSC Network Systems Corporation

NSD no structure detected

NSDD National Security Decision Directive

NSEA (Naval Sea Systems Command Headquarters)

NSF National Sanitation Foundation

NSF National Science Foundation

NSF National Strike Force

NSF Nuclear Storage Facility (TA-55)

NSFNET National Science Foundation network

NSG Nuclear Suppliers Group

NSHCC Nevada State Health & Coordinating Council

NSI NASA Science Internet

NSI national security information

NSIA National Security Industry Association

NSIC Nuclear Safety Information Center

NSIM Nevada State Inspector of Mines

NSIR National Stable Isotope Resource

NSL Nevada State Library

NSLS National Synchrotron Light Source (BNL)

NSM nuclear spectrum measurement

NSO nonferrous smelter order (CAA)

NSOM near-field scanning optical microscopy

NSP native signal processor/processing

NSPE National Society of Professional Engineers

NSPS new source performance standards (CAA)

NSR Neutron Source Reactor

NSR new source review

NSR new special recovery

NSRACF new special recovery-accountability control function

NSRB Nuclear Safety Review Board

NSRSC National Security and Resources Study Center (now JROSC)

NSS nodal switching system (NFSNET)

NS/SET Nuclear Subsystem Evaluation Team

NSSFC National Severe Storms Forecast Center

NSTC National Science and Technology Council (sponsored by the White House)

NSTF Near Surface Test Facility

NSTL National Space Technology Laboratory

NSWC Naval Surface Warfare Center

NSWMA National Solid Waste Management Assn.

NSWP Non-Soviet Warsaw Pact

NSWS National Surface Water Survey

NT - NV

NT near-term

NT network

NT neutron transmitter

NT no time (attendance code)

NT nuclear test

NT-1 network termination unit

NTA negotiated testing agreement

NTA nitrilotriacetic acid

NTA nuclear track A (film)

NTB National Test Bed

NTB nuclear test ban

NTBWG Nuclear Test Ban Working Group

NTC Noshiro Testing Center (Japan)

NTE not to exceed

NTEC National Tribal Environmental Council

NTF New Tritium Facility

NTG nuclear test gage

NTGS National Technical Guidance Studies

NTI National Technology Initiative (DOC)

NTIA National Telecommunications and Information Administration

N-TIMS negative thermal ionization mass spectrometry

NTIS National Technical Information Service

NTISSP National Telecommunications and Information Systems Security Policy

NTM national technical means

NTMA National Tooling and Machining Association

NTN National Trends Network

NTN network termination number

NTO 5-nitro-2,4-dyhydro-1h-1,2,4-triazol-3-one

NTO nitrogen tetroxide

NTOF neutron time-of-flight (facility)

NTP National Toxicology Program

NTP network time protocol

NTP normal temperature and pressure

NTP notice to proceed

NTP Numerical Tokamak Project

NTR nuclear test reactor

NTR nuclear thermal rocket

NTRB Nuclear Technology Reference Book

NTS Nevada Test Site

NTS not to scale

NTSB National Transportation Safety Board

NTSC National Television System (Standards) Committee

NTSC never twice the same color

NTSO Nevada Test Site Office

NTT Nippon Telegraph & Telephone (Japan)

NTT nuclear testing talks

NTU National Technological University

NTU nephelometric turbidity unit

NTV network television (teleconferencing; Peregrine Systems)

NU NU-Site (TA-23)

NUA network user address

NUCMAS nuclear material accounting system

NUDET nuclear detonation

NUEX neutron energy measurement

NUI network user identification

NURE national uranium resource evaluation

NUREG Nuclear Regulatory Commission

NUS Nuclear Utilities Services Corporation

NUSF net usable square feet

NUWAX nuclear weapon accident exercise

NUWC Naval Underseas Warfare Center

NVAFB North Vandenberg AFB

NVOD near­video on demand

NVOO Nevada Operations Office

NW - NZ

NW normal waste

NWAP nuclear weapons applications & planning

NWAP Nuclear Weapons Archival Project

NWC National War College

NWC Naval Weapons Center

NWC nuclear weapons complex (DOE)

NWC Nuclear Weapons Council

NWCC neutron well coincidence counter

NWCF Nuclear Waste Calcining Facility (INEL)

NWCF New Waste Calcining Facility

NWCnet Nuclear Weapons Complex network

NWCSC Nuclear Weapons Council Standing Committee

NWD nuclear weapon data

NWEF Naval Weapons Evaluation Facility

NWF National Wildlife Federation

NWI National Wetlands Inventory (USFW)

NWMDL Nevada Waste Management Distribution List

NW&MTA nuclear weapons and materials technical area

NWP nuclear weapons program(s)

NWP Nuclear Weapons Program Office

NWPA National Waste Policy Act

NWPA Nuclear Waste Policy Act (1982)

NWPO Nevada Nuclear Waste Project Office (State office)

NWQA nonweapons quality assurance

NWRC National Weather Records Center

NWRC National Wetlands Research Center

NSW National Warning Staff (intelligence)

NWS National Weather Service

NWS nuclear weapon state(s)

NWSM nuclear weapon stockpile memorandum

NWSRA National Wild and Scenic River Act

NWSS nuclear weapon subsystem

NWSSTP NWSS test plan

NWT Nuclear Weapons Technology Programs

NWTS nuclear waste terminal storage (program)

NWU Northwestern University

NYU New York University

O Return to Alphabet

O operations

O Ordnance Division, 8/44­8/45

OA operating authorization

OA organization and administration

OAC Office of Arms Control

OAD operational availability date

OADR originating agency's determination (is) required

OAG Official Airline Guide (travel)

OAG other administrative and general (costs)

OAI outside air intake

OAQPS Office of Air Quality Planning and Standards (EPA)

OAR operation assessment and readiness

OA&R Office of Air & Radiation (EPA)

OARM Office of Administration & Resources Management (EPA)

OAS Office Administration Services

OASC Office of Advanced Scientific Computing

OASDI Old Age and Survivors Disability Income (Social Security)

OASES Office of Applied Sciences & Engineering Studies

OASN (RD&A) Office of the Assistant Secretary of the

Navy for Research, Development, and Acquisition

OASS O-acetylserine sulfhydrylase

OBA operating basis accident

OBC onboard computer

OBCS Ocean Bottom Communications System

OBE operating-basis earthquake

OBE overtaken by events

OBERS Office of Business and Economic Research Services (historic term)

OBES Office of Basic Energy Sciences

OB/OD open burning/open detonation

OBS observed

OBS optical biopsy system

OBS organizational breakdown structure

OBSCA one bit spectral correlation algorithm

OC - OD

OC object class

OC on-center

OC operating committee

OC operating curve

OC outer chuck

OCA Office of Congressional Affairs

OCAPO Office of Compliance Analysis and Program Operations (EPA)

OCAW Oil, Chemical, and Atomic Workers

OCB oil circuit breaker

OCC other common carrier

OCD offshore and coastal dispersion (model)

OCD oil conservation district

OCE Office of Criminal Enforcement (EPA OECM)

OCI object code insertion (Pure Software)

OCI organizational conflicts of interest

OCI oxide control and indication

OCL obligation cost level

OCLC online computer library catalog

OCLC Online Computer Library Center

OCLI Optical Coating Laboratory, Incorporated

OCM operational change memorandum

OCONUS outside continental United States

OCR office of collateral responsibility

OCR optical character recognition

OCRWM Office of Civilian Radioactive Waste Management

OCS Office of Community Services (Nevada)

OCS outer continental shelf

OCSLA Outer Continental Shelf Lands Act

OCSR organizational computer security representative

OD observable difference

OD offsite dose

OD optical density

OD organizational development

OD outside diameter (also o.d.)

O&D origin & destination

ODA office document architecture

ODBC open database connectivity

ODC other direct charges

ODC ozone-depleting chemical

ODE ordinary differential equation

ODIF office document interchange format

ODS operational design space

ODT organizational design team

ODTP optical discriminator targets program

OE - ON

OE operating experience

OEA Office of External Affairs (EPA)

OECD Office of Economic Community Development

OECD Organization for Economic Cooperation and Development

OECM Office of Enforcement & Compliance Monitoring (EPA)

OECM-W Office of Enforcement and Compliance Monitoring - Waste

OEET Office of Environmental Engineering and Technology (EPA)

OEIC optoelectronic integrated circuit(s)

OEL occupational exposure level/limit

OEL Office of Export Licensing (State)

OEL optical evaluation laboratory

OEL-C occupational exposure level­ceiling

OEM original equipment manufacturer

OEPER Office of Environmental Processes and Effects Research (EPA)

OER Office of Energy Research

OER Office of Environmental Restoration

OER Office of Exploratory Research (EPA)

OERR Office of Emergency and Remedial Response (EPA)

OF optional form

OFA other federal agencies (agency)

OFCCP Office of Federal Contract Compliance Programs

OFDM orthogonal frequency division multiplexing (spread-spectrum)

OFE Office of Fusion Energy

OFE oxygen-free electronic (material grade)

OFI Office of Foreign Intelligence (DOE)

OFI onset of flow instability

OFISCON organization fiscal contact

OGR Office of Geologic Repositories

OGS off-gas system

OGWP Office of Ground Water Protection

OH Occupational Health Site(TA-59)

OH outer housing

OHER Office of Health and Environmental Research

OHF operating heat flux

OHL Occupational Health Laboratory

OHM Office of Hazardous Materials (DOE)

OHMT Office of Hazardous Materials Transportation (EPA)

OHMTADS Oil and Hazardous Material Technical Assistance Data System

OHX operating/output heat exchanger

OI operating instructions

OI operation instruction (GE specification)

OI optical isolator

OIA Office of Imagery Analysis (CIA)

O&I operations & inspections standard (Pantex)

OIC Office of Institutional Coordination

OIEA Office of Intergovernmental and External Affairs

OIG Office of the Inspector General

OIO Operational Integration Office

OIPD Office of Isotope Production & Distribution

OIR Office of Information Resources (CIA)

OISA Office of International Security Affairs

OIU operator interface unit

OJT on-the-job training

OK odorless kerosene

OL office leader

OL operating license/limit

OLAP on-line analytical processing

OLASO Office of Los Alamos Site Operations

OLC on-line computer

OLE object linking and embedding

OLI open link interface (Novell)

OLTP on-line transaction processing

OLWM Open Look Windows Manager

OM operating methods

OM operations management

OM optical microscopy

O&M operation and maintenance

O/M oxygen-to-metal ratio

OMA Office of Military Application

OMB Office of Management and Budget

OMC Office of Munitions Control (State Dept.)

OMCVD organometallic chemical vapor deposition

OMD off my desk

OMDO operations manager (JCI)

OMEGA Omega Site (TA-2)

OMF open media framework (Avid)

OMM operation and maintenance manual

OMR organic-moderated reactor

OMS operations and maintenance services (FSS)

ONB onset of nucleate boiling

ONCS open network computer server

ONEDANT One-Dimensional, Diffusion-Accelerated, Neutral Particle

Transport (Discrete Ordinates Code,LANL)

ONEST overseas nuclear emergency search team

ONI Office of NWTS Integration

ONMSS Office of Nuclear Material Safety and Safeguards

ONR Office of Naval Research

ONS Office of Nuclear Safety (DOE)

ONTS Office of Nonproliferation Technology Support (DOE)

ONU optical network units

ONWI Office of Nuclear Waste Isolation

ONWM Office of Nuclear Waste Management & Fuel Cycle Programs

OO - OS

OOD object-oriented design

OOK on-off keying

OOM object-oriented method

OOPS object-oriented programming system

OOS out-of-sequence

OOS out of service

OOW Office of Operations and Weapons

OP operating plan

OP operations

OP operations/operating procedures

OP order point

OP overnight per diem (NTS/attendance code)

OP oxygen pressure

OPAC overall performance appraisal certification

OPC optical particle counter

OPC oscillator power control

op. cit. opere citato; in the work cited

OPCW Organization for the Prohibition of Chemical Weapons

OPD optical path difference

OPE open-point expanding

OPF official personnel folder

OPFM Office Project Facilities Management

OPI open prepress interface

OPI operator interface

OPIT oxide-powder-in-tube (process)

OPLAN operating plan

OPM Office of Personnel Management

OPM Office Procedures Manual

OPPE Office of Policy, Planning, and Evaluation (EPA)

OPPIS Optically Pumped Polarized Ion Source (LAMPF Injector)

OPR office of primary responsibility

OPSEC operations security

OPS overpressure protection system

OPT optimization

OR Oak Ridge Operations Office

OR Oak Ridge Y-12 Plant

OR office of record

OR on-site representative

OR operating reactor

OR oxygen reduction

Oralloy Oak Ridge alloy (enriched uranium)

ORAU Oak Ridge Associated Universities (now ORISE)

ORC operational readiness/review committee

ORC organizational resource counselor

ORCON originator controlled

ORD Office of Research and Development (EPA)

ORD operational readiness date

ORD operational requirements document

ORE occupational radiation exposure

ORE operational readiness evaluation

OREX Orbiting Reentry Experiment (Japan)

ORFTF Oak Ridge Filter Test Facility

ORGDP Oak Ridge Gaseous Diffusion Plant

ORIGEN Oak Ridge Isotope Generator

ORISE Oak Ridge Institute for Science Education (was ORAU)

ORLA optimum repair level analysis

ORM other regulated material(s) (DOT)

ORMP Operational Risk Management Program

ORMPWG Operational Risk Management Program Working Group

ORNL Oak Ridge National Laboratory

ORO Oak Ridge Operations

ORP Office of Radiation Programs

ORP oxidation-reduction potential

ORPS occurrence reporting and processing system

ORR operational readiness review

ORRR Oak Ridge Research Reactor

ORS occurrence reporting section

ORTA Office of Research & Technology Applications

ORTEC Oak Ridge Technical Enterprises Corp.

ORTP Oil Recovery Technology Partnership

ORV off-road vehicle

OS Office of Security

OS office support (series)

OS Open Skies (Treaty, 1992)

OS operating system

OS operational security

OS Operational Security/Safeguards Division 1/80­4?/94

OS organizational support

OSA Office of Safety Appraisals

OSA operational safety analysis

OSAK OSI applications kernel (DECNET)

OSBRD off-site burden

OSC on-scene commander/coordinator

OSCG on-scene control group

OSCP on-scene control point

OSD Office of the Secretary of Defense

OSD operational safety document

OSD (AE) Office of the Secretary of Defense, Atomic Energy

OS-DO/SPO OS Division Special Projects Office

OSE Office of Safety Engineering (DOE)

OSE Office of Security Evaluations (DOE)

OSF Open Software Foundation

OSG operations support group

OS&H occupational safety and health

OSHA Occupational Safety and Health Administration/Act (1972)

OSHWPP Occupational Safety & Health Worker Protection Pilots

OSI on-site inspection

OSI Open System Interconnect (standard)

OSIA On-Site Inspection Agency

OSL on-site laboratory

OSM Office of Surface Mining (DOI)

OSP occupational surveillance program

OSPF open shortest-path first interior gateway protocol (link

state routing protocol)

OS&Q Office of Safety and Quality, DOE

OSR operational safety requirement

OSSE oriented scintillation spectrometer experiment

OSSO Organizational Safeguards and Security Officer

OSSP Organizational Safeguards and Security Plan

OST operational suitability test (LLL)

OST Outer Space Treaty

OSTI Office of Scientific and Technical Information (DOE)

OSTP Office of Science and Technology Policy

OSTS Office of Storage and Transportation Systems

OSV onset of significant voiding

OSV on-site verification

OSVS operating system virtual storage

OSW Office of Solid Waste

OSWER Office of Solid Waste & Emergency Response (EPA)

OSWR Office of Scientific & Weapons Research (CIA)

OS&Y outside screw and yoke

OT - OZ

OT object technology

OT overtime

OTA Office of Technology Assessment

OTC offsite training center

OTD Office of Technology Development

OTDR optical time domain reflectometer (fiber optic communications testing)

OTE onset of thermal excursion

OT&E operational test & evaluation

OTEC ocean thermal energy conversion

OTF optical transfer function

OTF optimized Thomas-Fermi

OTH over-the-horizon

OTHSAR over-the-horizon/synthetic aperture radar

OTIS once-through integral system

OTP operational test procedure

OTR optical transition radiation

OTRI optical transition radiation interferometric

OTS (ESA Experimental Test Satellite)

OTSF other-than-system-furnished (materials)

OTSG once-through steam generator

OU operable/operational unit

OUO official use only

OUPL operable unit project leader

OURS Open Users Recommended Solutions (group)

OUSDR&E Office of the Under Secretary of Defense, Research and Engineering

OUST Office of Underground Storage Tanks

OV official visitor

OVA organic vapor analyzer

OVD organic vapor detector

OVEC Ohio Valley Electric Company

OVM organic vapor meter (photoionizer det.)

OW Office of Water (EPA)

OWG operations working group, LANL LLC

OWG OPSEC Working Group

OWI Office of Waste Isolation

OWP Office of Weapons Production

OWPE Office of Waste Programs Enforcement

OWR Omega West Reactor

OWW organic waste wash

OYG operating year guidance

OZIPPM ozone isopleth plotting package, modified

P Return to Alphabet

P Experimental Physics Division, 1943­8/44

P Experimental Physics Division, 11/45­

P personnel

P Physics Division

P primary body waves

P proposal (LA-series report designator)

P P-Site (TA-13)

P swing shift (attendance code)

P30 Pollution Prevention Program Office (Waste Minimization)

PA performance appraisal/assessment

PA personnel action (form)

PA Personnel Administration Division, 1/81­ 6/86

PA Picatinny Arsenal

PA plant air

PA policy analyst

PA preliminary assessment

PA pressure alarm

PA Privacy Act

PA production agency

PA project authorization/administrator

PA property (program) administrator

PA protected area

PA public address (system)

PA Public Affairs Office

P&A precision & accuracy

PAA priority abatement area

PABX private automatic branch exchange

PAC potentially adverse condition

PAC powdered activated carbon

PAC process analytical chemistry

PACB personnel access control booth

PACE plant acquisition and construction equipment

PACE plant and capital equipment

PACG Performance Assessment Coordinating Group

PACRS Preadmission and Concurrent Review Service (applies to the LAHCP)

PACS procurement authorities control system

PACT powdered activated carbon treatment (physico-chemical processing)

PAD packet assembler/disassembler

PAD performance analysis and design

PAD Product Assurance Directorate (U.S. Army; Edgewood, Maryland)

PADRE particulate data reduction

PAF plasma arc furnace

PAFB Patrick Air Force Base (Florida)

PAFD process accountability flow diagram

PAG protective action guide/guideline

PAGES Print and Graphics Express Station (ICN)

PAGM Permit Applications Guidance Manual

PAGOSA (high-speed three-dimensional multimaterial hydrodynamics code)

PAH polycyclic aromatic hydrocarbons

PAH polynuclear aromatic hydrocarbons

PAHL pressure alarm, high limit

PAI performance audit inspection (CWA)

PAI Physics Applications, Inc.

PAID plutonium air inhalation dose

PAID purchasing, accepting, invoicing, disbursing system

PAIR preliminary assessment information rule

PAIRS property accounting, inventory, and reporting system

PAKSET (Pakistani Communication Satellite)

PAL permissive action link

PAL personnel airlock

PAL phased alternate line (European video standard)

PAL prescribed action link

PAM penetration augmented munition

PAM postaccident monitoring

PAM pressure-alkali monitor

PAM pulse amplitude modulation

PAMS photochemical assessment monitoring stations

PAN passive/active neutron

PAN peroxyacetyl nitrate

PANDA passive nondestructive assay

PANI polyaniline

Pantex (Panhandle, Texas; weapons plant)

PAO public affairs office

PAP papanicolaou (stain)

PAP Personnel Assurance Program

PAPR powered air-purifying respirator

PAR performance appraisal report

PAR population at risk

PAR precision approach radar

PAR process automatic and robotics

PAR protective action recommendation (FEMA)

PAR purchasing approval request

PAR push and release

PARC Palo Alto Research Center (Xerox)

PARCC precision, accuracy, reproducibility, completeness & comparability

PARD protect as restricted data

PARIS Parallel Instruction Set (assembly lang.)

PA-RISC precision architecture RISC

ParkNet (National Environmental Research Park System)

PARMILA phase and radial motion in linear accelerators (computer code)

PART Paleo-Archeo Research Team (studies Seismosaurus)

PAS photoacoustic spectrometer/spectroscopy

PA/SI preliminary assessment/site investigation

PAS/PTS PAS/photothermal spectroscopy

PASS performance assessment support service

PASSWORK Parallel SIMD Simulation Workbench

PAT packaging and transportation

PAT performance appraisal team

PAT permit assistance team (RCRA)

PAT plutonium air transportable

PAT process action team

PAT proficiency analytical testing

PAT project acceptance transfer

PAT purge-and-trap gas chromatography/mass spectrometry

PATI p-aminothiophenol

PATRAM packaging & transportation of radioactive materials

PATREC pattern recognition

PATS packaging and transportation services

PATS precision automated turning system

PAWS PAN AM World Services

PAYS Practical Applications for Young Science Journalists

PAX private automatic exchange

PB particle beam

PB photon burst

PB physical inventory, beginning

PB proportional band

PBA process balance area

PBB polybrominated biphenyl

PBCM pulsed beam current monitor

PBE prompt burst experiment

PB&E planning, budgeting, and execution

PBF Power Burst Facility (INEL)

PBF pump, boiler feed

PBFA particle feam fusion accelerator, Sandia

PBL planetary boundary layer

PBL protection ballistic limit

PBM Publications Manual (LANL)

PBMS photon burst mass spectroscopy

PBO&D Parsons, Brinkerhoff, Ouade, and Douglas

PBR packed-bed reactor

PBR pebble bed reactor

PBR/SDP packed-bed reactor/silent discharge plasma (project)

PBS project breakdown structure

PBSS polyethylene bag sampling system

PBT performance-based training

PBV postboost vehicle

PBW particle beam weapons

PBX plastic bonded explosive

PBX private branch exchange

PC - PE

PC personal computer

PC planned commitment

PC polycarbonate

PC position classification

PC potential carcinogin

PC pressure controller

PC process computer/containment

PC production control

PC program code

PC programmable controller

PC pulverized coal

PC pump, condensate

PCA primary component analysis

PCA primary control assembly

PCA primary coolant activity

PCA principal components analysis

PCA product change authority

PCA (reactor, TA-18)

PCAP propagation code analysis program

PCAST President's Council of Advisors on Science and Technology

PC-AT personal computer, advanced technology (IBM, 1984)

PCB polychlorinated biphenyl

PCB printed circuit board

PCC plutonium concentrator concentrate

PCC prematurely condensed chromosomes (genome studies term)

PCC primary component cooling

PCC process chemistry cell

PCC psychrometric calorimeter chamber

PCCB Project/Plant Change Control Board

PCD photoconductive device

PCD pollution control device

PCD POSIX conformance document (NIST)

PCD power control device

PCD preliminary coordination draft (LLL)

PCD process chemistry development

PCD program control document

PCDAS process control & data acquisition system

PCDD polychlorinated dibenzo-p-dioxin

PCDF polychlorinated dibenzofuran

PCDP Prototypical Consolidation Demonstration Project

PCE perchloroethane (also known as tetrachloroethane)

PCE pollution control equipment

P&CE plant and capital equipment

PCF Parallel Computing Forum

PCF prioritized cost format

PCI pellet clad interaction

PCI peripheral component interconnect (DEC)

PCI phase compensation instability

PCI presentation context identifier (telecom.)

PCI protocol control information (telecom.)

PCIOS processor common input/output system

PCIS primary containment isolation system

PCL permissible contamination limit

PCL pre/postwork check list

PCL printer control language (Hewlett-Packard)

PCLAN personal computer local area network

PCM pending contractual matter

PCM phase contrast microscopy

PCM plug compatible manufacturer

PCM project control manager

PCM pulse code modulation

PCMCIA Personal Computer Memory Card Interface Association

PCMT primary crisis management team

PCN Power Reactor & Nuclear Fuel Development Corp. (Japan)

PCN procedure change notice

PCO planned carryover

PCO policy and communication office

PCO printing control officer

PCO program coordination office

PCO project control office

PCOC pest control oversight committee

PCON potential contractor

PCP pentachlorophenyl

PCP primary control program

PCP primary coolant pump

PCP process control plan

PCP product change proposal

PCP program control procedure

PCP public communications publication (DOE category)

PCPS photoconductive power switch

PCR Plasma Centrifugal Reactor (INEL)

PCR polymerase chain reaction

PCR pump, circulating

PCRV prestressed concrete reactor vessel

PCS passive containment system

PCS permanent change of station

PCS permit compliance system (CWA)

PCS personal communications services (U S West)

PCS plant control system

PCS power conversion system

PCS primary coolant system

PCS process control sheet

PCS program control system

PCSA Power Crane & Shovel Assn.

PCSCCB Program Cost/Schedule Charge Control Board

PCT peak cladding temperature

PCT product consistency testing

PCT pump, cooling tower

PCU pound-calorie unit

PCU pound-Celsius or pound-centigrade unit

PCV positive crankcase ventilation

PCV pressure control valve

PCX PC Paintbrush file format

PC-XT personal computer, extended technology

PCW pump, chilled/coolant water

PCWG Personal Conferencing Workgroup

PD population density/distribution

PD position description/document

PD potential difference

PD precedence diagram

PD preliminary design

PD program/project development

PD program director

PD project description

PD public domain

PDA Personal Digital Assistant (Apple)

PDA preliminary design acceptance

PDA preliminary design approval

PDA preliminary design assessment

PDAS plant data acquisition system

PDAT program development action team

PDB plant damage bin

PDB President's Daily Brief (intelligence)

PDC participatory design conference

PDC principal design criteria

PDC program development computer

PDC Program Development Council

PDCA plan-do-check-act (Shewhart Cycle)

PDCR Project Development Candidate Report

PDD projected decision date

PDE partial differential equation

PDES product data exchange specification

PDF plant design factor

PDF portable document format (Adobe, Inc.)

PDF probability density functions

PDFID preconstruction direct flame ionization detection

PDH pump, domestic hot water

PDHE project design hour estimate

PDIF portable document interchange format

PDL page description language

PDL photodissociation dye laser

PDL plutonium discard limit

PDM power density monitor

PDM problem definition memo

PDMN Program Director for Nuclear Materials

PDMRL Paul D. Merica Research Laboratory

PDMS poly dimethyl sulfate

PDP parallel distributed processing

PDP process development proposal

PDP project definition phase

PD/PE program development/program execution

PDR particulate data reduction

PDR postdoctoral research

PDR preliminary design report/review

PDR pressurized deuterium reactor

PDR program data requirement

PDR public document room

PDS partial donor scale

PDS photodischarge spectroscopy

PDS power distribution system

PDS processor direct slot (Apple Computer)

PDS program design specification

PDS protected distribution system

PDSIM parallel distributed system simulator

PDT product development team

PDT proliferation detection technology

PDU power distribution unit

PDU protocol data unit

PDW pump, deionized water

PDX printer description extension (file)

PE performance evaluation

PE physical inventory, ending

PE plant and equipment

PE polyethylene

PE population equivalent

PE processing element(s)

PE product engineer

PE professional engineer

PE project engineer

P/E plant and equipment

PEARL personnel expertise and resource listing

PEB performance evaluation board

PEC part evaluation cycle

PECO Philadelphia Electric Company

PECO power, ease-of-use, compatibility, overall use

PECSS poisoned emergency cooling system sample

PED program elements document

PED program evaluation division (Office of Policy, Planning & Evaluation)

PE&D plant engineering and design (projects)

PEEK polyetheretherketone

PEFC polymer electrolyte fuel cells

PEG potential for electricity generation

PEGK polyethylene glyco-KOH

PEGM poly-(ethylene glycol methyl ether)

PEI photoelectric injector

PEIS programmatic environmental impact statement

P.ej. por ejemplo; for example

PEL permissible exposure limit

PEM partial equilibrium multimarket model

PEM personal environment modules

PEM personal exposure model

PEM polymer electrolyte membrane

PEM privacy enhanced mail (electronic)

PEM process execution module

PEM proton exchange membrane

PEMEX Petroleos Mexicanos (Mexican Petroleum)

PENAIDS penetration aids

P-ENDF pointwise-ENDF (PENDF, data file)

PENV PAN AM Environmental

PEO plant equipment operator

PEO program enrichment office

PEP performance enhancement program

PEP Positron-Electron Project ("PEP storage ring," Stanford

Linear Collider)

PEPE prolonged elevated pollution episode

PEPR precision encoder and pattern recognition

PER performance event report

PER Personnel Department, 7/49­12/79

PEREGRINE (USAF Hypervelocity Boost-Phase Interceptor)

PERF Police Executive Research Forum

Perl (UNIX language/utility)

PERM (palladium-silver alloy permeator)

PERMS process & effluent radiological monitoring system

PERS Public Employees Retirement System (California)

PERT program evaluation and review technique

PERT program evaluation research task

PES photoemission spectroscopy

PESTAN pesticides analytical transport solution

PET performance evaluation team

PET piezoelectric transformer (narrowband transformer)

PET positron emission tomography

P.E.T. polyethylene terephthalate (recyclable plastic)

PETC Pittsburgh Energy Technology Center

PETN pentaerythritol tetranitrate (explosive)

PETS procedures for evaluating technical specifications

PETT payment-equal-to-taxes

PEW process equipment waste (system)

PEX PHIGS extension to X

PF - PI

PF partition factor

PF penetration factor

PF (performance appraisal tracking system)

PF Plutonium Facility (TA-55)

PF polymer filtration

PF potency/power factor

PF proposed finding

PF protection/production factor

PF protective force (PTLA)

P/F poll/final

PFA phase failure relays

PFA planned future action

PFA process flow analysis

PFC pulse-flow coulometry

PFD process flow diagram

PFIAB President's Foreign Intelligence Advisory Board

PFISCON Program Fiscal Contact

PFL pulse forming lines

PFLT paint filter liquids test

PFM process facility modifications

PFMS precision flexible manufacturing systems

PFN pulse-forming network

PFP Plutonium Finishing Plant (Hanford)

PFPF plutonium fuel production facility

PFSS protective force services subcontractor

PFT permanent full time

PFT piping fabrication traveler

PFTE permanent full-time equivalent

PG process gas

PGDP Paducah Gaseous Diffusion Plant

PGM PageMaker (software)

PGM precision-guided munition

PGP pretty good privacy

PGP Pretty Good Protection (encryption program)

PGP Procedures Generation Package

PGRT preliminary GES requirements technical

PGRV precision-guided re-entry vehicle

PGS pressure gradient scaling

PGT Princeton Gamma Tech., Inc.

ph phase

Ph phenyl

pH potential of hydrogen (measure of alkalinity or acidity)

PH phase

PH (telephone)

PHA preliminary hazard analysis

PHA pulse-height analyzer

PHAROS phased rotor spectrometer (LANSCE beam chopper)

PHASE 1­7 (weapon development phases)

PHC petroleum hydrocarbons

PHC principal hazardous constituent

PHELIX Precision High Energy-density Liner Implosion Experiments

PHEN 1,10-phenanthroline

PHERMEX pulsed high-energy radiographic machine emitting x-rays (TA-15)

PHIGS programmer's hierarchical interactive graphics system

PHL property help line

PHNSY Pearl Harbor Naval Shipyard

PHR preliminary hazard review

PHRED Public Health Review Evaluation Database

PHS Public Health Service

PHSA Public Health Service Act

PHTS primary heat transport substation/system

PHW pump, hot water

PHWR pressurized heavy-water reactor

PHY (physical layer protocol)

PI parameter identifier (telecom.)

PI performance indicator

PI physical inventory

PI Pinellas (plant, Florida)

PI position indicator

PI preliminary injunction

PI pressure indicator

PI principal investigator

PI program information

PI project identification (number)

PI public information

PI3 protection index 3 (computer security)

PIAT public information assistance team

PIC particle-in-cell

PIC person in charge

PIC pressurized ion chamber

PIC products of incomplete combustion

PIC programmable interconnection

PIC public information center

PIC (Lotus graphic file format)

PICS protocol implementation conformance statement

PICT (Apple graphic file format)

PID partial initial decision

PID photoionization detector

PID piping and instrumentation (diagram)

PID process identification (number)

PID proportional-integral-derivative

PID proportional, integral, differential

P&ID piping and instrumentation diagram

PIDAS perimeter intrusion detection and assessment systems

PIDAS portable intelligent detector analysis system

PIE postirradiation experiment/examination

PIF program information file

PIGMI Pion Generator for Medical Irradiation

PIGS pesticides in groundwater systems

PIH poison inhalation hazard

PII public and institutional interactions

PILAC pion linear accelerator

PIM personal information manager

PIM programmer's information manual

PIM project integration meeting

PIMS Project Information Management System

PIN personal identification number

PIN positive intrinsic negative (photodiode used in fiber networks)

Pinellas (Florida location of weapon component/

neutron device plant [GEND])

PINEX pinhole neutron experiment

PINFET PIN (photodiode) field effect transistor

PING packet Internet groper

PINS Proliferation Information Network System

PIO public information officer

PIP path independent protocol (telecom.)

PIP performance improvement plan

PIP projected intercept point

PIP public involvement plan/program

PIR post-implementation review

PIR program information request/release

PIRC permanent internal review committee

PIRD Personnel & Industrial Relations Division (DOE)

PIRG Public Interest Research Group

PIRT phenomena/process identification & ranking table

PIRT pretreatment implementation review task force

PIS pressure-indicating switch

PIS public information specialist

PIT Physical Inventory Taking

PIT process improvement team (EG&G)

PIUS process inherent ultimate safety

PIV physical inventory verification

PIV post-indicator valve

PIVA post-indicator valve assembly

PIXE proton-induced x-ray emission

PIXEL picture element

PIXY pulsed intense (flash) x-ray machine (TA-36)

PJ - PN

PJA proper job analysis

PJI proper job instruction

PK Peacekeeper (MX)

PKA primary knock-on atom

PKP Public Key Partners (Sunnyvale, CA)

PL Pajarito Laboratory (TA-18)

PL parental leave (vacation or LWOP)

PL Patent Law Division, 10/79­ 7/83

PL product loadout

PL program leader

PL project leader

PL property loss

PL public law (also P.L.)

PLA programmable logic array

PLAN Pantex Local Area Network

PLATO permanent large array of terrestrial observatories

PLATO programmed logic for automated teaching operations

PLC preparative liquid chromatography

PLC Professional Loss Control (company)

PLC programmable logic controller

PLG Pickard, Lowe, and Garrick

PLIF planar laser-induced fluorescence

PLIRRA Pollution Liability Insurance and Risk Retention Act

PLM polarized light microscopy

PL/M programming language, macroassembler (Intel, 1973)

PLO Public Land Order

PLOT porous-layer open-tubular chromatograph

PLOWSHARE (Peaceful Uses of Atomic Energy Program)

PLP packet layer protocol (telecom.)

PLP power limits program

PLS Physics and Life Sciences

PLS precautions, limitations, and setpoints

PLS pulsed lepton source

PLT publications liaison team (obsolete)

PLUVUE (plume visibility model)

PLV production-level video (Intel)

PLYWD precision low-yield weapons design

PM particulate matter

PM per diem—Mercury (attendance code)

PM permanent magnet

PM photomultiplier (tube)

PM plant miscellaneous

PM Presentation Manager

PM pressure multiplier

PM preventive maintenance

PM program/project manager

PM protocol machine

PMA Power Marketing Administration

PMB Project Management Branch (LAAO)

PMC programmable machine controller

PMC Program Management Center

PMCA portable multichannel analyzer

PMCS project management control system

PMD physical medium dependent

PMD program management document

PMDB property management database

PMDS performance measurement data system

PME process and manufacturing engineering

PMEL Pacific Marine Environmental Laboratory

PMF probable maximum flood

PMG program management group

PMI preventive maintenance instructions

PMI principal maintenance inspector (DOE, FAA)

PMIS Project Management Information Sheet

PMMA polymethly methacrylate

PMMU paged memory management unit

PMN premanufacture notification (TSCA)

PMOA programmatic memorandum of agreement

PMP preventive maintenance procedure

PMP probable maximum precipitation

PMP project/program management plan

PMPR project management progress report

PMQ permanent magnet quadrupole

PMR Pacific Missile Range

PMR pollutant mass rate

PMR property management regulation

PMS Pantone Matching System

PMS password management system

PMS performance measurement system

PMS plant monitoring system

PMS preventive maintenance system

PMSD Project Management Support Division (T&MSS)

PMSF phenylmethylsulfonyl fluoride

PMT (diffusion transfer print)

PMT photomechanical transfer

PMT photomultiplier tube

PMT pilot management team

PMT process management team

PM-TPO project manager-technical project officer

PMX presentation manager for X Windows

PN per diem—NTS (attendance code)

PN preliminary notification

PN property number

P/N part number (also PN)

PNAD personal nuclear accident dosimeter

PNAH polynuclear aromatic hydrocarbons

PNC Power Reactor and Nuclear Fuel Development Corporation (Tokai Mura)

PNCC passive neutron coincidence counter

PND personnel neutron dosimetry/dosimeter

PNE peaceful nuclear explosions

PNET Peaceful Nuclear Explosion/ives Treaty

PNGV Partnership for the Next Generation of Vehicles

PNL Pacific Northwest Laboratory (now PNNL)

PNM Power Company of New Mexico

PNN probabilistic neural network

PNNA poly(n-naphtylaniline)

PNNL Pacific Northwest National Laboratory

PNP plug and play (Microsoft, Intel)

PNP purine nucleoside phosphorylase (enzyme)

PNS pre-nesting syndrome

PNT Pentagon (Washington, DC; DoD)

PNWA Prevention of Nuclear War Agreement

PO - PQ

PO production order

PO program operations

PO project officer

PO purchase order

P&O pyrolized and oxidized

POB protected outlet box

POC performance objectives and criteria

POC point of compliance

POC point of contact

POC products of combustion

POC project overview committee

POCE Pantone Open Color Environment

POD point of discharge

POD proof of development

p.o.d. pay on delivery

POE peace on Earth

POE point of exposure/entry

POE purity of essence

POET phase one engineering team

POF probability of failure

POG project officers group

POGO privately owned/government operated

POHC polycyclic organic hydrocarbons

POHC principal organic hazardous constituent

POI petroleum, oil, lubricants

POI point of interception

POLREPS pollution reports

polybor sodium polyborate

POM packaging operations management

POM particulate organic matter

POM polycyclic organic matter

POM project officers meeting

POP parallel ocean program

POP peak overpressure

POP performance-oriented package/packaging

POP point of presence (networking/telephony site)

POP post office protocol

POP proof of principle

POR plutonium organic recycle

POR preliminary occurrence report

POR proposed ordnance requirement

p.o.r. pay on return

PORC plant oversight review committee

PORS process operations route sheet

PORT (Portsmouth Gaseous Diffusion Plant)

PORV pilot/power-operated relief valve

POS plant operating specification

POS point of sale

POSIX portable operating system for UNIX (IEEE standard)

POST power-on self-test

Postdoc (postdoctoral research appointment/appointee)

POTAS Program for Technical Assistance to IAEA Safeguards

POTS plain old telephone service

POTW publicly owned treatment works

POU/POE point-of-use/point-of-entry

POV personally/privately owned vehicle

PP pay period

PP personnel protection

PP pilot production

PP Pinellas plant (Florida)

PP plenum pressure

PP polypropylene

PP positive pressure

PP primary pressure

PP program plan/planning

PPA planned program accomplishment

PPA primary plate analyzer

PPA prior period adjustment

PPA Professional Photographers of America

PPART plutonium processing automation review team

ppb parts per billion (also PPB)

PP&BS planning, programming, and budgeting system (federal)

PPC personal protective clothing

PPC plutonium process cell

PPC Power PC

PPC project planning and control

PPCCW positive pressure chilled circulating water

PPCL preliminary protective concentration limits

PPCM perimeter portal continuous monitoring

PPD production program definition (document)

P&PD production and planning directive

PPDD preliminary project design description

PPE personal protective equipment

PPE Personal Protective Equipment Handbook

PPF pump pit fire

PPG Pacific Proving Grounds

PPI plan position indicator

PPI process prove-in

PPI proposal preparation instructions

PPIV positive personnel identity verification

PPL Plasma Physics Laboratory (Princeton)

PPL priority planning list

PPL programmatic project leader

ppm parts per million

PPO partnership project office

PPO polyphenylene oxide

PPP pilot production program

PPP point-to-point protocol

PPP privatization planning panel

PPP projects, plans, and policy

PPPA Poisonous Packaging Prevention Act (1970)

PPPD pilot production program definition

PPPL Princeton Plasma Physics Laboratory

PPR prior permission requirement

PPS plant protection system

PPS primary power system

PPS programming procedures and standards

PPS pulses per second (also pps)

PP&SC program planning & status chart

PPSP power plant siting program

ppt parts per trillion

PPy polypyrrole

PQAP procurement quality assurance plan

PQE procurement quality engineering

PQL practical quantitation limit

PQM partial quality management

PQM project quality manager

PQMI process quality management improvement

PQQ pyrroloquinoline quinone

PQT product qualification team

PR - PS

PR personal reschedule

PR power range

PR preliminary review

PR pressure recorder

PR procurement request

PR product record

PR progress report (LA-series report designator)

PR Protocol Office, 1/84­

PR public relations

PR purchase/procurement request

PRA Paperwork Reduction Act

PRA permanent resident alien

PRA planned regulatory action

PRA plutonium recycle acid

PRA probabilistic risk assessment

PRAC programs risk advisory committee

PRAM parameter ram

PRAM probabilistic risk assessment methodology

PRB procedure review board

PRBS pseudo-random bit sequence

PRC People's Republic of China

PRC production requirement category

PRC project record center

PRCR preliminary repository concepts report

PRD presidential review directive

PRD program requirements document

PRE (destruction removal efficiency, incinerator)

PREP Pre-Freshman Enrichment Program

PREPP Process Experimental Pilot Plant (INEL)

PRESS Pacific Range Electromagnetic Signature Studies

PRF Plutonium Recovery Facility

PRF property removal/pass request form

PRF pulse repetition frequency

PRI Partido Revolutionario Institutional

PRI primary rate interface

PRI primary rate ISDN

PRISM Partners in Research for Information Systems Management (Co.)

PRISM Personnel Resource Information System for Managers

PRISM Preservice Research Institute for Science and Mathematics

PRL Physical Research Laboratory (India)

PRL professional renewal leave

PRM personal radiation monitor

PRM petition/proposal for rule making

PRM process radiation monitor

PRML partial response maximum likelihood (disk drive)

PRMP plutonium recovery modification project

PRMP process risk management procedure

PROD (production information)

PROD (production or batch workload manager)

PROGRESS Personal Responsibiity and Opportunities to

Gainfully Reach Economic Self-Sufficiency

PROLOG programming in logic (prog. language)

PROM programmable read-only memory

PROPIN proprietary information

PROPMAN property management (database: PAIRS)

PROVE plutonium recovery option verification exercise

PRP personnel reliability program

PRP potentially responsible party

PRP productivity retention program

PRR pressure rise rate

PRR production readiness review

PRR protective response recommendation

PRR pyrochemical reduction

PRS potential release site

PRSC post-removal site control

PRT participating research team

PRT peer review team

PR&TL professional renewal & teaching leave

PRUC property record unit catalog

PRV pressure reducing valve

PRV pressure regulating valve

PRV pressure relief valve

PS packet switch

PS Personnel Services Division, 6/86­?/93

PS personnel system

PS plant security

PS point source

PS polystyrene

PS power supply

PS pressure switch

PS private sector

PS procurement schedule

PS product/program specification

PS proton-synchrotron

PS pump, sump

P/S POISSON/SUPERFISH (rf cavity accelerator codes)

P/S process/status (LANL)

P&S planning and scheduling

P&S production and surveillance (DOE)

PS-2 Personal System 2 (IBM, 1987)

PSA phase shift analysis

PSA probabilistic safety analysis

PSAM point source ambient monitoring

PSAP Personnel Security Assurance Program

PSAR preliminary safety analysis report

PSB pump shaft break

P&SB Planning and Scheduling Branch (T&MSS)

PSC project status control

PSCN program support communications network

PSD polystyrene, deuterated

PSD power spectrum density

PSD power systems demonstrator

PSD prevention of significant deterioration

PSD pulse shape discrimination

PSE packet switching exchange

PSE problem-solving environment

PSE program subelement

PSES pretreatment standard for existing sources

PSF point spread function

PSG physical science group

PSG planning support group

PSHIFT polyshift (FORTRAN CM communications)

PSI Paul Scherrer Institute

PSI pollutant standards index

psi pound(s) per square inch

PSI preliminary site inspection

PSI primary shell integrity

PSI Professional Service Industries, Inc. (Albuquerque, NM)

psia pounds per square inch, absolute

PSICSF pump system installation containment seal fixture

psid pounds per square inch, differential

PSID preliminary safety information document

psig pounds per square inch, gauge

PSII plasma source ion implantation

PSLV Polar Satellite Launch Vehicle (India)

PSM phase-step mirror/monitor

PSM point source modeling

PSN packet switch node

PSN proper shipping name

PSNS pretreatment standards for new sources

PSO program secretarial officer/senior official

PSP paralytic shellfish poisoning

PSP payroll savings plan

PSP plasma separation process

PSP pointed soft point (projectile)

PSP probability of successful penetration

PSQ personal/personnel security questionnaire

PSR primary system relief

PSR procurement status report

PSR proton storage ring (LANSCE)

PSR pulsar

PSRV pseudorelative response velocity

PSS personal safety system

PSS primary shutdown system

PSS probabilistic safety study

PSS pulsed spallation source (LANSCE)

PSSD potential significant safety discrepancies

PSUP preliminary space utilization plan

PSV pressure safety valve

PSW pump, sealant water

PSWBS Program Summary Work Breakdown Structure

PSZ partially stabilized zirconic

PSZ perimeter security zone

PT - PZ

PT packaging and transportation

PT part-time

PT penetrant test

PT penetration test, dye (NDE)

PT performance test

PT periodic test

PT phototransistor

PT plant technicians (Pantex)

PT pressure transducer/transmitter

PT process tool

PT product tester

PT Protection Technology of Los Alamos

P&T packaging and transportation

PTB powers that be

PTD Process Technology Development (RFP)

PTE potential to emit

PTF pull test facility

PTFE polytetrafluoroethylene (Teflon)

PTI permit to install

PTI Protection Technology Idaho (contractor, INEL)

PTL program/project team leader

PTLA Protection Technology Los Alamos

PTMAN Packaging and Transportation Manual

PTO Patent and Trademark Office (DOC)

PTO permit to operate

PTO power takeoff

PTP peak-to-peak (ratio)

PTPM packaging & transportation program manager

PTR pressure test record

PTS permanent threshold shift

PTS photothermal spectroscopy

PTS principal tensile stress

PTS property transfer slip

PTS pulsed-laser photothermal spectroscopy

PTT postal telegraph and telephone (organization)

PTW Preston-Tonks-Wallace model

PUB Public Relations Department, 11/66­10/70

PUB Public Affairs Division, 1/78­8/80

PUC public utility commission

PUEC Portsmouth Uranium Enrichment Complex

PUF polyurethane foam

PUFF Pulsed Ultra High Flux Facility

PU KIT plutonium urinalysis kit

PUP peak underpressure

PUQFUA plutonium body burden (Q) from urine analysis

PUR pile-up rejection

PUREX plutonium-uranium (reduction) extraction

PV pressure valve

PV project verification

PVA polymerized vinyl acrylic

PVA polyvinyl alcohol

PVC permanent virtual circuit (see SVC)

PVC polyvinyl chloride

PVD (dry vacuum pump)

PVD physical vapor deposition

PVD polyvinyl dichloride

PVDF polyvinylidene fluoride

PVL physical volume library for HPSS

PVM parallel virtual machine

PVR physical volume repository for HPSS

P-V-T pressure-volume-temperature (also PVT for pressure, volume,

temperature)

PW potable water

PW process water

PW production waiver

PW swing/weekend shift (attendance code)

PWA process waste assessment

PWB printed wire board

PWDG process water diesel generator

PWDR preliminary weapon development report

PWDS protected wireline distribution system

PWGM process water gamma monitor

PWHT post-weld heat treatment

PWI Plutonium Waste Incinerator (SRS)

PWI public Windows interface

PWI pulse-width inspection

PWIEG Plutonium Weapons Information Exchange Group

PWM pulse-width modulated

PWPS process water purification system

PWR pressurized water reactor

PWS personal workstation

PX Pantex (Plant) (form number prefix)

PX post exchange

PY prior year

PYAR person-years-at-risk

PZR pressurizer

Q Return to Alphabet

Q Energy Division, 3/73­2/87

Q Q-cleared/Q-clearance

Q Q Site (TA-4)

q quad (energy measure)

Q (quality factor in the definition of dose equivalent)

QA quality assurance

QAA quality assurance agency

QAAP quality assurance & acceptance procedure

QADR quality assurance discrepancy report

QAER quality acceptance equipment release (obsolete)

QAIA quality assurance inspection agency

QAIP quality assurance inspection plan/procedure

QAIR quality assurance inspection report

QAL quality assurance liaison/level

QALAS quality assurance level assignment sheets

QANCR quality assurance noncomformance report

QAOK (quality assurance acceptable)

QAP quality assurance plan/procedure

QAPD quality assurance program description

QAPP quality assurance program plan

QAR quality assurance record

QAR quality assurance representative

QARMS QA records management system

QASC quality assurance support contractor

QASL quality assurance Sandia Laboratories

QBE query by example

QBF query by forms

QBS quality based selection

QC quality control

QCD quantum chromodynamics

QCI quality control inde

QCL quality class level

QCM quartz crystal microbalance

QCP quiet community program

QD quadrupole doublet

QD quantity/distance (explosives storage)

QDRO qualified domestic relations order

QE quadrant elevation

QE quantum efficiency

QED quality evaluation for dismantlement

QED quantum electrodynamics

Q.E.D. quod erat demonstrandum (which was to be demonstrated)

QEP quality engineering project

QER qualification evaluation release

QESHA Quality, Environment, Safety & Health Assurance Division (became ESH)

QEST quality evaluation system tester

QET quality evaluation tracking (system)

QF quality factor

QFD quality function deployment

QHD quantum hydrodynamics

QI - QZ

QIC quality inspection control

QIC quarter-inch cartridge

QID quality instruction directive

QIL quality instruction list

QIP quality improvement program

QIT quality improvement team

QKD quantum key distribution

QMF Quality Management Forum (DOE)

QMP quality management procedure

QMS quadrupole mass spectrometer

QNCR quality noncompliance report

QNCR quarterly noncompliance report

QNM Quality New Mexico

QOO Quality Operations Office (ES&H)

QOS quality of service (telecom.)

QP Quality and Planning Program Office

QP quality plan

QP Quality Procedure

QPP quality, policy, and performance

QPP quality program plan

QPPL quality program project leader

QPR quick progress report

QQIC Quick Quality Information to Customers (LANL Library abbreviation)

QR quality review

QRA quantitative risk assessment

QRC quick reference catalog (JIT purchasing)

QRMC quality records management committee

QS qualification sample

QSAR quantitative structure-activity relationships

QSOU quasi-second-order upwind

QSP Questionnaire for Sensitive Positions

QSR quarterly status report

QT quenched and tempered (steel tank)

QUEST Quality Enhancement Simulation Training

QV quality verification

QVD Quality Validation Division (DOE)

QVP quality verification plan

QWERTY (typewriter/keyboard layout)

R Return to Alphabet

R Nuclear Safeguards, Reactor Safety, and Technology Division,

12/75­2/77

R radar (nomenclature)

R register (computer memory)

R regular (attendance code)

R Research Division, 8/44­11/45

R resuspension factor

R risk assessment

R R Site (TA-15)

RA radiological assessment

RA reasonable alternative

RA reduction area (reduction-in-area)

RA regional administrator

RA regulatory alternative

RA reimbursement authorization

RA remedial action

RA resource allocation

RA risk analysis

RAAC rack assembly and alignment complex

RAAC (TA-60 tower [rack])

RAC response action coordinator (contractor)

RAC risk assessment code

RACE Research and Development Program in Advanced Communications in Europe

RACT reasonably available control technology

RAD radiation

RAD radiation absorbed dose

RAD radiation assessment dose

RadCon radiation control

RadCon Radiation Control Manual

RADCON Radiological Control Team (U.S. Army)

RADEC radiation detection capability

RADM random walk advection and dispersion model

RADM rear admiral

RADM regional acid deposition model

RADP radiation physics (DOC)

RADS remote acoustic doppler system

RAEM radioactive air emission management

RAEMP radiological air emissions management program

RAGS Risk Assessment Guidance for Superfund

RAI request for additional information

RAIC redundant array of inexpensive computers

RAID redundant array of inexpensive drives (Digital Storage Works)

RAL Rutherford Appleton Laboratory (AWRE; S. of Oxford, England)

RaLa radioactive lanthanum

RAM radiation air monitor

RAM radioactive material

RAM radio attenuation measurement

RAM random access memory

RAM reliability, availability, maintainability

RAM remote area monitor

RAM responsibility assignment matrix

RAM retrofit attrition material

RAMI reliability, availability, maintainability, and inspectability

RAMP rural abandoned mine program

RAMS radiation alarm monitoring system (Pantex)

RAMS regional air monitoring system

RAMS Regional Atmospheric Modeling System

RAMS remote area monitoring system

RAMT Radiological Advisory Medical Team (U.S. Army)

RAOPS Resource-Allocation Optimization Program for Safeguards

RAP radiological assistance program

RAP radon action program

RAP remedial accomplishment plan

RAP remedial action program

RAP remote autoranging picoammeter

RAP reserve auxiliary payload

RAP resources allocation plan (INGRES report)

RAP response action plan

RAPS random-access plate system (CAA)

RAPS regional air pollution study

RAPTOR (unmanned aircraft platform for hypervelocity missile launch)

RARA roles, authorities, responsibilities & accountabilities

RARE Reseaux Associes pour la Recherche Europeenne

RARP reverse address resolution protocol

RAS reactor analysis and safety

RAS remedial action selection

RAS routine analytical services

RASCAL Radiological Air Sample Counting and Analysis Laboratory

RAT radiological assessment/assistance team

RAT relative accuracy test

RATO rocket-assisted takeoff

RAZIBB real gas axisymmetric zero incidence blunt body

RB - RE

RB reactor building

RB red border

RB re-entry body

RBAF relativistic beam accelerator facility

RBC red blood cells

RBC rotating biological contactor

RBCCW reactor building closed cooling water

RBCLCW reactor building closed loop cooling water

RBE relative biological effectiveness

RB/ER reduced blast/enhanced radiation

RBMK reaktor bol'shoy mozhnosti kanal'nyye; light-water reactor,

graphite-moderated channel (Chernobyl design)

RBOC regional Bell Operating Company

RBS Rutherford backscattering

RC Radiochemistry Site (TA-48)

RC reactor control

RC reactor coolant

RC regional coordinator/counsel

RC regulatory compliance

RC remedial construction

RC report collection

RC responsibility center

RCA radiological control area (FEMA)

RCA root cause analysis

RCB retrieval containment building

RCC range control center

RCC Risk Communication Committee

RCE Resource Consultants & Engineers

RCG radioactivity concentration guide

RCI Resource Communities, Inc.

RCIC reactor core isolation cooling

RCL radiological control line

RCL reactor coolant loop

RCM reliability-centered maintenance

RCMS Removal Cost Management System

RCO radiation control officer

RCO Retaliation Control Officer (DHR)

RCP reactor coolant pump

RCP regional contingency plan

RCP remote copy program

RCP Research, Development, and Testing Consolidation Panel

RCR review comment record

RCRA Resource Conservation and Recovery Act

RCRIS RCRA Information System

RCS radar cross section

RCSI reactor coolant system integrity

RCT radiation contamination training

RCT radiation control technician

RCU refrigeration cooling units

RD Reactor Development Site (TA-52)

RD remedial design (CERCLA)

RD requirements document

RD restricted data

RD room air detritiation

R&D research and development

RDA remedial design and action

RDA remote database access

RDA Research Development Associates

RDAP reactor data analysis program

RDB red design bureau

RDBMS relational database management system

RDD radiation dispersion device

RD&D research, development, and demonstration

RDDT&E research, development, design, testing, and evaluation (reactor design)

RDF refuse-derived fuel

RDI retirement disposal instruction

RDN relative distinguished name (telecom.)

rDNA recombinant DNA

RDOS real-time disk operating system

RDP retirement disposal instruction

RD/RA remedial design and remedial action

RD&T research, development, and testing

RDT&S research, development, testing, and stockpile

RDU regional decision units

RDX research department explosive (cyclonite)

RE radiation equipment

RE rare earth

RE reasonable efforts

RE remedial engineering

RE reportable event

REA radiological emergency assistance

REA radiologic engineering assessment

REA recycle acid

REAB regional energy advisory board

REACTS Radiation Emergency Assistance Center/ Training Site

REAG Reproductive Effects Assessment Group (EPA)

REAP regional enforcement activities plan

REAPS Reportable Excess Automated Property System

REASON rapid evaluation and shipment of nuclear waste

REB relativistic electron beam

REC rare-earth cobalt

RED Reactor Engineering Department (SRL)

RED RCRA enforcement division

REDAC remote detection and control

REDC Radiochemical Engineering Development Center (ORNL)

REDD regional economic development & diversification

REDI Remote Electronic Desktop Integration

REDS reactor electric distribution system

REE rare earth elements

REECo Reynolds Electrical and Engineering Company, Inc. (NTS)

REF Radiation Exposure Facility (TA-51; changed 1992 to ERS,

Environmental Research Site)

REF reference (also ref.)

REHR reactor heat removal

REHVAS routine environmental high-volume air samples

REIL runway end identification light

REIRS Radiation Exposure Information Reporting System

REL (Authorized for Release to...)

REL recommended exposure limit

RELAP shortened version of RELAPSE

RELAPSE Reactor Leak & Power Safety Excursion code

REM remedial planning and construction

rem roentgen equivalent man (dose equivalent)

REMACS remote emergency monitoring and control system

REP reasonable efforts program

REP residue elimination program/project

REP resonance escape probability

REPS regional emissions projection system

RER reactor event report

RES Office of Nuclear Regulatory Research (within the U.S. NRC)

RES reimbursable equipment schedule

RES (research information)

RESC reactor subcriticality

RESG Research Engineering Standing Group (DOD)

RESL Radiological & Environmental Sciences Laboratory (ID)

RESOLVE (Center for Environmental Conflict Resolution [Conservation

Foundation])

REST retrofit evaluation system test

RET reactor effluent temperature

RET renewable energy technology

REV representative elementary volumes

REV revision, revised (also rev.)

REW recycle water

RF - RI

RF radio frequency (also rf)

RF release/response factor

RF respirable fraction

RF Rocky Flats (plant, Golden, Colorado; operated by Kaiser Hill)

RFA RCRA facility assessment

RFA Regulatory Flexibility Act

RFA Rocky Flats Authorization (to ship)

RFAM Rocky Flats assay meter

RFAO Rocky Flats Area Office

RFA/VSI RCRA Facility Assessment/Visual Site Inspection

RFB request for bid

RFC request for comment

RFC Rocky Flats control (number)

RfD reference dose (values)

RFEMC Rocky Flats Environmental Monitoring Council

RFETS Rocky Flats Environmental Technology Site

RF-FEL radio-frequency free-electron laser

RFI radio-frequency interference

RFI RCRA facility investigation

RFI request for information

RFI/RI RCRA Facility Investigation/Remedial Investigation

RF/LATO Rocky Flats/Los Alamos Technology Office

RFML Radio Frequency Measurements Laboratory

RFO Rocky Flats Office

RFP radio-frequency plasma

RFP reasonable further progress/programs

RFP request for proposal

RFP reversed field pinch

RFP Rocky Flats Plant (see RF)

RFPM Rocky Flats Policy Manual

RFPR reversed field pinch reactor

RFQ radio-frequency quadrupole (cavity)

RFQ request for quotation

RFS reference flight system

RFS regardless of feature size

RFS remote file system

RFSHI Rust Federal Services of Hanford, Inc.

RFSI Rust Federal Services, Inc.

RFT respirator fit test

RFTO Rocky Flats Technology Office (usually NM/RFTO)

RG rail garrison

RG ramped gradient

RG reactor grade

RG regulatory guide or reg guide

RGA residual gas analyzer

RGAP Rio Grande Astronomy Program

RGB red-green-blue (color model)

RGDTL ramped gradient drift tube linac

RGP rare gas plant

RGR relative growth rate

RGS retained gas sampler

RH reaction history

RH relative humidity

RH remote handled/handling

RH Research Highlights

RH Robin Hood (KIVA algorithm)

RHA rolled homogeneous armor

RHEED reflection high-energy electron diffraction

RHF remote handling facility

RHHP Reproductive Health Hazards Program

RHI relativistic heavy ion

RHIC relativistic heavy ion collider

RHO Rockwell Hanford Operations

RHR residual heat removal

RH-TRU remote-handled transuranic(s)

RI reactor incident

RI reconnaissance investigation (CWA)

RI remedial investigation/inspection

RI resonance integral

RI Rockwell International

RIA radioimmunoassay

RIA reactivity-initiated accident

RIA reactivity insertion accident

RIA regulatory impact analysis/assessment

RIA relativistic impulse approximation

RIACS Research Institute for Advanced Computer Science

RIB reference information base

RIC Radon Information Center

RIC Research Triangle Park Information Center

RICO Racketeer Influenced and Corrupt Organizations Act

RIDS record inventory destruction schedule

RIDS Records Inventory & Disposition Schedule

RIF recoverable irradiated fuel (spent fuel)

RIF reduction in force

RI/FS remedial investigation/feasibility study

RIG risk-based inspection guide

RIL research information letter (NRC)

RIM relative importance measure

RIMS regional ionospheric monitoring system

RIMS resonance ionization mass spectroscopy

RIP raster image processor

RIP RCRA implementation plan

RIP routing information protocol

RIPE Reseaux IP Europeene (TCP/IP)

RIPS radioisotope power supply

RIPSO revised Internet protocol security option

RIR reference intensity ratio

RIR remedial investigation report

RIR rights & interest records

RIS resonance ionization spectroscopy

RIS report/ing identification symbol

RISC reduced instruction set chip/computing

RISC Regulatory Information Service Center (OMB)

RISO (national laboratory, Denmark)

RI-TOFMS resonance ionization time-of-flight mass spectrometry

RJ - RR

RJE remote job entry

RK reaction kinetic (solution)

RKA relativistic klystron amplifier

RKO/A relativistic klystron oscillator and amplifier

RL Richland Operations Office

RL U.S. DOE Field Office, Richland, Wash.

RLG Research Libraries Group

RLG ring laser gyro

RLIN Research Libraries Information Network

RLL rapid and large leakage (rate)

RLL run-length-limited (data recording)

RLO Richland Operations

RLPG regenerative liquid propellant gun

RLS recursive least squares

RLU remote latch unit

RM radiation monitor

RM reagent mix

RM records management

RM risk management

RM rule making

R&M redistribution & marketing

RMB recreation and morale benefits

RMB/NV Resource Management and Budgets/ Nevada Office

RMCL recommended maximum concentration limit/contaminant level (old term)

RMDC Records Management and Document Control Program Office

RME reasonable maximum exposure

RME relay mirror experiment (Air Force)

RME remote maintenance equipment

RMEX radiation monitor, exit

RMI radiation monitoring instructions

RMI Reactive Metals, Inc.

RML radioactive material loss

RMM regional mesoscale model

RMMA radioactive material management area

RMP records management plan

RMS radiation monitoring system

RMS Records Management Center

RMS resource management system

RMS root mean square (also rms)

RMSAP root-mean-square averaging process

RMTF radioactive material transfer form

RMTT radioactive material transfer tags

RMW radioactive mixed waste(s)

RMW regulated medical wastes

RNA ribonucleic acid

RNM radionuclide migration

RO reactor operator

RO reliability of operations

RO remains open

RO remote operations

RO reportable occurrence

RO required one-time (training)

RO reviewing official (UCNI)

RO reverse osmosis

ROA record of assembly

ROC record of communication

ROC required operational capability

ROCSAT Republic of China Scientific Satellite

ROD reactor operations department

ROD record of decision (CERCLA/NEPA)

ROD record of disassembly

ROD report of discrepancy

ROE rate of expenditure (operating plan)

ROG reactive organic gases

ROI radiological operating instructions

ROI region of interest

ROI return on investment

ROM read-only memory

ROM regional oxidant model

ROM rough order of magnitude

ROMCOE Rocky Mountain Center on Environment

ROMS reactor operations monitoring system

ROP regional oversight policy

ROP run of paper

ROPA record of procurement action

ROR radiological occurrence reporting

RORO roll-on roll-off (transport)

ROS reactor overflow system

ROSA rig of safety assessment (Japan)

ROSE remote operations service element

ROSS AVIA. Ross Aviation

ROSTER remotely observed signatures in the thermosphere of explosive releases

ROT residue off-site treatment

ROTTRT Reactor Operations and Testing Technical Review Team

ROV remotely operated vehicle

ROW right of way

RP radiological protection

RP release point

RP report pay (attendance code)

RP respirable particulates

RP responsible party

RPA Radiation Protection Act

RPA random-phase approximation

RPA request for project authorization

RPAR rebuttable presumption against registration (FIFRA)

RPC remote procedure call

RPD relative percent difference

RPE respiratory protective equipment

RPF records processing facility

RPG radiation protection guide

RPG report program generator (IBM language)

RPI Rensselaer Polytechnic Institute

RPI residue processing initiative

RPIS Real Property Inventory System (also RPIS2) (DOE)

RPIS receiving procurement inquiry system

RPM radial power monitor

RPM reactive plume model

RPM remedial project manager (CERCLA)

rpm revolutions per minute

R&PM DOE Regulations & Procedures Manual

RPO recharge program office

RPO Reconfiguration Project Office

RPO Reliability Programs Office

RPS radiation protection standard

RPS reactor protection system

RPSI Rust Federal Services, Inc.

RPT radiation protection technician

RPT reactor production of tritium

RPT recirculation point tracking

RPT recirculation pump trip

RPV reactor pressure vessel

RPV remotely piloted vehicle

RPW regulator pressure, water

RQ reportable quantity(ies)

RQD Reactor Quality Department (SRL)

RQD rock quality designator

RR readiness review

RR receiving report

RR repair request

RRACES Remedial Response Construction Cost Estimation System

RRC regional response center

RRD (WSRC report no.)

RRF regional response force

RRMT reactor and reactor material technology

RRP residue reduction program

RRR reduced-residual radiation

RRR reduced surface resistance

RRS Regulatory Reform Staff (EPA)

RRSS reactor room spray system

RRT Rapid Response Team

RRT regional response team

RRT requisite remedial technology

RRT round-robin test

RS - RT

RS radioactive shipments

RS recommended standard (telecom.)

RS reprocessing specification

RSA runway safety area

RSA Russian Space Agency

RSAS reactor safety assessment system (NRC)

RSC Rocket Systems Corporation (Japan)

RSCS regional sample control center

RSD relative standard deviation

RSD risk-specific dose

RSE removal site evaluation

RSI repetitive strain injury (see CTD, CTS)

RSIC Radiation Shielding Information Center (ORNL)

RSKERL Robert S. Kerr Environmental Research Laboratory

RSLAM remotely operated standoff lightweight antiarmor munition

RSL/ITS Radiographic Support Laboratory/ Integrated Test Stand

RSN Raytheon Services, Nevada

RSO re-entry systems operation

RSO reported significant observation

RSO reservoir surveillance operations

RSP render safe procedure(s)

RSP (WSRC report number)

RSPA Research and Special Programs Administration (DOT)

RSR reactor safety research

RSR residual/reduced surface resistance

RSRS Reactor Safety Research Section (SRL)

RSS range safety simulation

RSS reactor safety study

RSS reactor shutdown system

RSS remote supervisory station

R.S.S. Regiae Societatis Sodalis; fellow of the Royal Society

RSSI Russian Space Science Internet

RSWD radioactive solid waste disposal

RSWF radioactive scrap and waste facility

RT radiographic testing (NDE)

RT rational tangent

RT reaction time

RT reactor technology

RT reactor trip

RT Red Team

RT regional total

RT retirement

RT room temperature

RTAP reactor training and procedures

RTCM reasonable transportation control measure

RTD Reactor Technology Department (SRP)

RTD resistance temperature device

RTD return to duty

R&TD research and technology development

RTDL real-time data link

RTDM rough terrain diffusion model

RTDP Robotics Technology Development Program (OTD)

RTECS Registry of Toxic Effects of Chemical Substances

RTF rich text format (Microsoft)

RTG radioisotope thermoelectric generator

RTK right-to-know

RTM regional transport model

RTMS retrofit tool made sample

RTNS-II Rotating Target Neutron Source-II

RTP request for technical proposals

RTP Research Triangle Park (North Carolina)

RTR reactor technology report (SRL)

RTR real-time radiography

RTR return to research (program)

RTR roof-top-ratio

RTS removal tracking system

RTSE reliable transfer service element

RTT radiation transport theory

RTT resources, trade, and technology (CIA)

RTT round trip time

RTU remote terminal unit

RTV real-time video

RU - RZ

RU refrigeration unit

RU Rice University

RULLI remote ultralow light level imaging

RULLI/SAT (satellite test of RULLI)

RUP restricted-use pesticide (FIFRA)

RUS resonant ultrasound spectroscopy

RV reactor vessel

RV recreational vehicle

RV re-entry vehicle

RV release valve

RVC reactor volume control

RVCS recursive vector-flow computer system

RVI reverse interrupt (telecom./computing)

RVP Reid vapor pressure

RVS regular valve, steam

RVVV reactor vessel vent valve

RW Radiation Work

RW raw water

RW river water (Savannah River)

R/W reimbursable work

RWC residential wood construction/combustion

RWDP radioactive waste disposal plant

RWG reduced waste generation

RWG resource working group (LANL LLC)

RWIS raw water intake structure

RWL reactor water level

RWMC radioactive waste management complex

RWMIS radioactive waste management information system

RWMS radioactive waste management site

RWP radiation work permit

RWQCB Regional Water Quality Control Board

RWS raw waste storage

RWS river water system

RWST refueling water storage tank

RWT radiation worker training

RWT Radiological Warfare Treaty

RX reactor(s)

RY required yearly (training)

RYE relevant years of experience

S Return to Alphabet

S Analysis and Assessment Division, 4/78­7/87

S secondary body waves

S secret

S sick leave (attendance code)

S S-Site (TA-16)

S statistical application

S. Seite; page (German)

SA (departmental administration fund code)

SA safety analysis/assessment

SA salary adjustment

SA Sandia apparatus (nomenclature)

SA self-assessment

SA service area (for LAICS communications)

SA smoothing algorithm

SA special assistant

SA standby air

SA Sunshine Act

S.A. Sociedad Anónima; corporation (Spanish)

S.A. Sociéte anonyme (French)

S&A safing and arming

S&A sampling/surveillance and analysis

SA-0 townsite/White Rock LAICS service area

SA-1 S-site region LAICS service area

SA-2 TA-50/Pajarito LAICS service area

SA-3 LDCC/TA-3 region LAICS service area

SA-4 TA-53 region LAICS service area

SAA satellite accumulation area

SAAC Scientific and Academic Advisory Committee (UC Regents)

SAAM selective alpha air monitor

SAAMA San Antonio Air Material Area

SAB scientific (science) advisory board

SAB secretarial advisory board

SABM set asynchronous balanced mode

SAC safety advisory committee

SAC science advisory committee

SAC Senate Appropriations Committee

SAC Strategic Air Command (FEMA)

SAC suggestion award committee

SAC suspended & canceled pesticides (FIFRA)

SACA Support Agency Cooperative Agreement

SACNET secure automated communications network

SACPG Senior Arms Control Policy Group

SACT Seabed Arms Control Treaty

SAD safety analysis/assurance diagram

SAD safety assessment document

SAD small-angle diffraction

SADAA Science Assistant to the Deputy Administrator (EPA)

SADARM sense-and-destroy armor (submunitions)

SADM special atomic demolition munition

SADREC Safety Analysis Documents Review Committee

SADT self-accelerating decomposition temperature (hazardous material)

SAE Society of Automotive Engineers

SAED selected area electron diffraction

SAEOS simplified analytic equation of state

SAEWG standing air emissions working group

SAF secure automated fabrication

SAF/AQS Secretary of the Air Force, Director of Space & SDI Programs

SAF/AQT SAF/Director of Science & Technology

SAF/AQV SAF/Director of Testing & Evaluation

SAFE safety assessment/facility evaluation

SAFKEG (safekeg; radioactive materials packaging)

SAGA Studies & Analysis Group (JCS)

SAGE Soviet-American Gallium Experiment

SAGE space-alternating generalized EM (biophy)

SAHDH signature authority hazmat driver-highway

SAI solution assay instrument

SAIC Scientific Applications International Corp.

SAIC special agent-in-charge

SAID scattering analysis interactive dialin

SAL Safeguards Analytical Laboratory

SAL screening action level

SALP systematic assessment of licensee performance

SALT I/II Strategic Arms Limitation Talks/Treaty

SAM scanning acoustic microscope

SAM self-assembled monolayers

SAM site availability mode

SAM small aperture module (laser)

SAM standard analysis method

SAM surface-to-air missile

SAMA Scientific Apparatus Makers Association

SAME Society of American Military Engineers

SAMGR signature authority manager (SAS)

SAMOPA single-accelerator master oscillator power amplifier

SAMSON simulation & modeling supporting operational needs

SAN safeguards accountability network

SAN Sandia Canyon Site (TA-20)

SAN San Francisco Operations Office

SANDAC Sandia Airborne Computer

SANDS surveillance accident nuclear detection system

SANE Standard Apple Numeric Environment

SANE sulfur and nitrogen emissions

SANS small-angle neutron scattering

SAO San Francisco Area Office

SAP sampling/analysis plan

SAP scientific advisory panel

SAP special access program

SAPC Space Activities Promotion Council (Japan)

SAPI service access point identifier

SAPR stockpile approved product record

SAR safety analysis/appraisal report(s)

SAR search and rescue

SAR special access required

SAR start action request

SAR structure-activity relationship

SAR synthetic aperture radar

SARA Service Academy Research Associate Program

SARA Superfund Amendments Reauthorization Act (1986)

SARE simulating accelerator radiation environment

SARF supercompactor & recovery facility

SARIS Savannah River simulator

SARM safety analysis and risk management

SAROAD storage and retrieval of aerometric data

SARP safety analysis report for packaging

SART site assessment & remediation technology

SAS semi-annual soils

SAS signature authority system (replaces PACS)

SAS small-angle (ion) source

SAS Society for Applied Spectroscopy

SAS special analytical services

SAS statistical analysis system

SASC Senate Armed Services Committee

SASD structured analysis, structured design

SASS safety assurance system summary

SASS source analysis sampling system

SAT semi-automatic trim

SAT sulfuric acid tetrahydrate

SAT systematic approach to training

SATAN system administration tool for analyzing networks

SAV semi-annual vegetation

SA/V ratio of surface area to solution volume

SAVE status assistance & verification element

SAW surface acoustic wave

SAWAFE satellite attack warning and assessment flight experiment

SAWRS supplementary aviation weather reporting system

Saxton (power reactor; Saxton, Pennsylvania)

SB sick-family bereavement (attendance code)

SB small business (vendor liaison office term)

SBA Small Business Administration

SBB super broad band

SBCL space-based chemical laser

SBE small business enterprise

SBFEL space-based free-electron laser

SBGT standby gas treatment

SBI space-based (rocket) interceptor

SBIR small business innovation research

SBKKV space-based kinetic kill vehicles

SBLOCA small-break loss-of-coolant accident

SBO station blackout

SBR space-based radar

SBS simulated Brillouin scattering

SBS (subsystem to improve laser beam quality)

SBSA small business set-aside

SBSS science-based stockpile stewardship

SBTP surface-based test plan

SBU strategic business unit

SC - SD

SC safety computer

SC secondary confinement/containment

SC simulated core

SC site closeout

SC space-charge

SC special case

SC speed controller

SC storage compatibility

SC surveillance compliance

S/C safety computer (ABS)

SCA single-channel analyzer

SCA site characterization analysis (NRC)

SCA sneak circuit analysis

SCA specific collection area

SCA state cooperative agreement

SCA subcontract administrator/buyer

SCADA Supervisory Control and Data Acquisition

SCAM scanning and alarm monitoring

SCAM simple cordless alpha monitor

SCAM surveillance control alarm maintenance

SCAP Superfund Compliance Accomplishments Plan

SCAP Superfund comprehensive/consolidated accomplishments plan (CERCLA)

SCAPS site characterization & analysis penetrometer system

SCARA selective compliance assembly robot arm (Adept Technology, Inc.)

SCAS semicontinuous activated sludge (test)

SCB semiconductor bridgewire

SCBA self-contained breathing apparatus

SCC satellite communications controller

SCC side-chain cleavage

SCC source classification code

SCC Standing Consultative Commission

SCC stress-corrosion cracking

SCCO2 supercritical carbon dioxide (extraction)

SCD scientific computations department (SRL)

SCD single-crystal diffractometer (LAMPF)

Sc. D. scientiae doctor; doctor of science

SCE saturated/standard calomel electrode

SCEM scanning electron microscope

SCEPS self-contained chemical energy propulsion system

SCF Sample Coordination Facility

SCF standard cubic foot (also scf)

SCF system control factor

scfm standard cubic feet per minute

SCG security classification guide

SCI San Clemente Island

SCI sensitive compartmented information

SCI stratospheric circulation model

SCIF Sensitive Compartmented Information Facility

SCILS Sensitive Countries Information Logging System

SCL side-coupled linac

SCMH standard cubic meters per hour (also scmh)

SCMT secondary crisis management team

SCO safety condition for operation

SCO Santa Cruz Operation, Inc.

SCO State cleanup order

SCOPE safety-controls optimization by performance evaluation

S/COS Space-based Global Change Observing System

SCOT satellite communications onboard terminal

SCP site characterization plan

SCR selective catalytic reduction

SCR selenium control rectifier

SCR silicon-controlled rectifier

SCR site characterization report

SCR sodium-controlled reactor

SCRA Superspeed Computer Research Association (Japan)

SCRAM safety control rod ax man

SCRF superconducting radio frequency

SCRUNCHER (superconducting rf cavity/energy

compressor; low-energy pion channel)

SCS safety computer system

SCS secondary coolant system

SCS shutdown cooling system

SCS Soil Conservation Service

SCSA Soil Conservation Society of America

SCSI small computer system interface

SCSP storm & consolidated sewer program

SCSU Southern Carolina State University

SCTF Slab Core Test Facility (Japan)

SCTI sodium components test installation

SCUD (medium-range liquid-propelled ballistic missile)

SCUS custodial branch (JCI)

SCW service clarified water

SCWO supercritical water oxidation (also SWO)

SCX single charge exchange

SCYLLAC (TA-3; used for fusion research)

SD sample duplicate

SD schedule deviation

SD shakedown

SD Shops Department, 9/49­3/81

SD shutdown

SD software documentation

SD Space Division (Air Force, Los Angeles)

SD standard deviation (standard design)

SD super compact disk (Toshiba/Time Warner)

SD supply duct

SDA scalable disk array

SDAC Space Data Analysis Center (Japan)

SDB small, disadvantaged business

SDBE small disadvantaged business enterprise

SDC segmented drum counter

SDC shutdown cooling

SDC Solenoidal Detector Collaboration

SDC Space Defense Command

SDC Strategic Defense Command, U.S. Army

SDC structural design criteria

SDD system description document

SDD system design description

SDDR supplier deviation disposition request

SDE State Department of Education (New Mexico)

SDHX shutdown heat exchanger

SDI Strategic Defense Initiative

SDID software design implementation document

SDIF standard document interchange format

SDIO SDI Organization

SDK software developer kit

SDLC software development life cycle

SDLC synchronous data link control (telecom.)

SDNS secure data network system (telecom.)

SDOF single-degree-of-freedom

SDP site development plan

SDP sodium dihydrogen phosphate

SDP-AS site development plan annual summary

SDPS silent discharge plasma system

SDP-TSI site development plan technical site information

SDR subsystem design requirement/review

SDR system design review

SDRCSF slurry distributor removal containment seal fixture

SDRD subsystem design review document

SDRS splash detection radar system

SDS shutdown sequencer

SDS strategic defense system

SDSC San Diego Supercomputer Center

SDT shock-to-detonation transition

SDW Stealth Designers Workbench

SDWA Safe Drinking Water Act (1974, '77, '86)

SDWT self-directed work team

SE - SH

SE safety evaluation

SE (Secretarial/Contract Services System)

SE solvent extraction

SE subcritical experiment

S&E salaries and expenses

S&E scope and estimate

S&Es scientists and engineers

SEA (Naval Sea Systems Command identifier)

SEA state enforcement agreement

SEA state/EPA agreement

SEAB Secretary of Energy Advisory Board

SEAC Safety and Environmental Advisory Council

SEAC Scientific & Engineering Advisory Committee

SEAG Science Education Advisory Group

SEAgel safe emulsion agar gel (LLNL)

SEAL sea, air, and land (U.S. Navy forces)

SEAM surface, environment and mining

SEAOC Structural Engineers Association of California

SEAR safety evaluation audit report

SEAS strategic environmental assessment system

SEB source evaluation board

SEC Science Education Center

SEC secondary containment

SEC Security Office, 9/79­1/80

SECA State Employees Commuter Association

SECAM séquential à mémoire; sequential color

and memory (French TV format)

SECOM secure communications (system)

SECY secretary

SED Special Engineers Detachment (Manhattan Project)

SED stream editor (UNIX utility)

SEDI studies of the Earth's deep interior

SEDP silent electric discharge plasma

SEED Summer Educational Experience for the Disadvantaged

SEG Science Engineering Group

SEG Society of Explortation Geologists

SEGS Solar Electric Generating System (9 power plants in Southern

California)

SEI Software Engineering Institute (Carnegie-Mellon University)

SEI Space Exploration Initiative

SEIA socioeconomic impact analysis

SEIC system engineer/integrator contractor

SEIC systems engineering and integration contract

SEID system engineering and integration division

SEIG Systems Engineering Integration Group

SEIS State Environmental Impact Statement

SEL special equipment list

Selni (commercial power reactor, Italy)

SEM scanning electron microscope

SEM secondary emission monitor

SEM singularity-expansion method

SEM specification exception material

SEM standard electronic module

SEM standard error of the means

SEMATECH Semiconductor Manufacturing Technology (consortium)

SEM/EDAX scanning electron microscopy and energy

dispersive spectroscopy

SEMP system engineering management plan

SEN Secretary of Energy (notice)

Sena (commercial power reactor in France)

SENAC senior executive nuclear accident course

SENRAD (serial number recognition accountability system)

SEO science and education outreach

SEO source election official

SEO State Engineer's Office

S.E.O. sauf erreur ou omission; error or omission excepted (French)

SEOD site engineering operations division

SEP somebody else's problem

SEP supplemental environmental project

SEP site emergency plan

SEP site evaluation panel

SEP spherical error probability

SEP systematic evaluation program

SEPA Southeastern Power Administration

SEPWC Senate Environment and Public Works Committee

SER safety evaluation report

SERA Superfund Emergency Response Actions

SERC State emergency response commission

SERDP Strategic Environmental R&D Program

SERF Solar Energy Research Facility (at Solar Energy Research