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| 
Zabljak
-NO2-
| Observation |
| Category |
: |
Air sampling observation |
| Situation |
: |
ongoing |
| Time zone |
: |
|
| Sampling |
| Sampling height |
: |
|
| Description |
: |
continuous |
| Sampling and analysis frequency |
: |
Daily |
| Sampling environment |
: |
|
| Description for sampling analysis |
: |
Absorbing solution TGS, 1.6-2.5 m3/day
ANSA spectrophotometric method
Air intake: diameter = 7cm, length = 6cm
The tubing from intake to the solution: length about 200cm, diameter 0.7cm
The material of the air intake and inle tubing: polyethylene
Solution container: 50ml of solution
The total volume of the container is 150ml and height is 14cm.
Path length of the air bubbles: 5cm (single chamber bottle)
Air volume: 1.6-2.5m3/day |
| Instrument and Analysis |
| Measurement method |
: |
|
| Current status and history of instrument |
: |
Manual method sampling in absorbing solution
- Drechsel. bottle
- Membrane pump
- Gas meter |
| Description of instrument |
: |
|
| Calibration |
| Current scale employed in the measurement |
: |
|
| Measurement calibration |
: |
Observer's Standard
Saltzman |
| Scale and calibration(treasability) |
: |
|
| Data Processing |
| Measurement unit |
: |
ug/m3-25C |
| Data processing |
: |
Extremely high concentrations when a sample is contaminated are not taken into account. |
| Processing for averaging |
: |
|
| Data flag |
: |
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| Data remarks |
: |
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| Other Information |
| Scientific aim |
: |
|
| Reference |
: |
WMO and EMEP publications |
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| submitted by Republic Hydrometeorological Service of Serbia |
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