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Option number 7

1. There anthropogenic pollution of water bodies by chemicals: beryllium, arsenic, lead, cadmium, zinc

2. The need for regular monitoring of water bodies, estimation and forecasting changes in the status of water bodies. Observations of the substances, the release of which is massive and has an impact on the environment. Constitute the basis of hydrobiological monitoring observations of biotic components of aquatic ecosystems. More effective control of water quality is the automatic control devices (power sensors)

Option number 8

1. There anthropogenic air pollution by chemicals: hydrogen sulfide, sulfur dioxide, carbon monoxide, nitrogen dioxide, vanadium.

2.. Necessary to create fixed positions that determine the average content of harmful substances in the air basseyne.dolzhna be effective degree of dust-gazootchistki, you must consider the height of the pipe emissions organized, and set the device dust-getter attitudes. Reduce the burning of oil and coal, especially in windless, humid weather.

Information for examiner: Rate the student's knowledge on the types of pollution and preventive measures.

Information for examiner: Rate the student's knowledge on the types of pollution and preventive measures.

Criteria for evaluation steps

Evaluation in points

1

The student knows the kinds of environmental pollution.

2,7-3,0

2,22-2,69

1,5-2,21

1,5

below

2

The student correctly described the preventive measures in the region.

2,7-3,0

2,22-2,69

1,5-2,21

1,5

below

The maximum score: 6

The time allotted for the task: 5 min.

Stage 2

Option №1

1. Scope of the universal gas analyzer - is used for environmental control and environmental monitoring bodies gosepidnadzora and hydrometeorological, promsanlaboratoriyami industry.

2. Operation of the universal gas analyzer:

• Enable (ON) or disable (OFF) the instrument.

• Set the display data on the display.

• Acknowledge the audible alarm to the gas concentration.

• Turn on the backlight indicator (automatically turns off after about 15 seconds).

• View options.

• Select the menu during use.

• Access to the level of maintenance.

• Confirm the accuracy of the data.

Option№ 2

1. Scope of the dosimeter - radiometer for radiation safety services, stations of sanitary and epidemiological control, laboratories, including the field of mobile laboratories.

2. The order of the dosimeter - radiometer "eco - 1".

Turn the dosimeter - radiometer pressing the "ON \ OFF". The LCD - display shows "ҒO.OO" and 20 seconds will be the result of the first measurement, such as "FO.15." After that, the dosimeter - radiometer is ready for use.

A single press "Mode" button will transfer device mode - measurement of EDR (single). In this mode, 20c after it is installed on the LCD - display will show only the result of measurement EDR (ambient dose equivalent rate). The end of the measurement with a beep.

Audible alarm is turned off by pressing the "Sound Alarm».