Envirotech Instruments: Leader in the Indian Market
Quality Standards
National Ambient Air Quality Standards
S. No. |
Pollutant |
Time Weighted Average |
Concentration in Ambient Air |
||
Industrial, Residential, Rural and Other Area |
Ecologically Sensitive Area (notified by Central Government) |
Methods
of Measurement |
|||
1 |
Sulphur
Dioxide (SO2), pg/m2 |
Annual* 24 hours* |
50 80 |
20 80 |
|
2 |
Nitrogen
Dioxide (NO2), pg/m3 |
Annual* 24 hours* |
40 80 |
30 80 |
|
3 |
Particulate
Matter (size less chan 10um) or PM10 pg/m3 |
Annual* 24 hours* |
60 100 |
60 100 |
|
4 |
Particulate
Matter (size less than 2.5um) or PM2.5 um/m3 |
Annual* 24 hours* |
40 60 |
40 60 |
|
5 |
Ozone (O2) pg/m2 |
Annual* 24 hours* |
100 180 |
100 180 |
|
6 |
Lead (Pb) p.g./m |
Annual* 24 hours* |
0.50 1.0 |
0.50 1.0 |
|
7 |
Carbon Monoxide (CO) m.g./m2 |
Annual* 24 hours* |
03 04 |
02 04 |
|
8 |
Ammonia (NH3)
ug/m3 |
Annual* 24 hours* |
100 400 |
100 400 |
|
The Gazette of India : Extraordinary | |||||
9 |
Benzene (C6H6) ug/m2 |
Annual* |
05 |
05 |
|
10 |
Senzol (o) Pyrene (BaP) - particulate phase only, ng/m3 |
Annual* | 01 |
01 |
|
11 |
Arsenic (A3), ng/m3 |
Annual* | 06 |
06 |
|
12 |
Nickel (Ni), ng/m3 |
Annual* | 20 |
20 |
|
All Envirotech products carry a one year warranty for trouble-free operation. Envirotech maintains its equipment through the central office at Delhi and regional centers located in different parts of the country. In most cases, the regional representatives are technically competent professionals.
ENVIROTECH INSTRUMENTS Leader in the Indian Market offers Appropriate Instruments for complying with latest Ambient Air Quality Standards notified on 18th Nov. 2009. |
|||||||||||||||||||||
For routine & compliance monitoring (by Industries & Consultants) |
For Accurate & Precise monitoring for developing scientific iunderstanding (by Regulatory Agencies & Research, Academic Institutions & Consultants doing EIA's.) |
||||||||||||||||||||
|
|
||||||||||||||||||||
Also
available online analyers & fully automated CAAQMS for measurement
of PM10, PM2.5, CO, Benzene, Ozone, Ammonia, SO2, NOx, All instruments are supported with Hands on Trainingand and prompt after sales services. |