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| Pollutants |
Methods of Measurement |
BIS Method No. |
Time Weighted Average |
| Suspended Particulate Matter (PM100) |
Respirable Dust Sampler |
IS- 5182(part 4) 1973 |
24 hourly |
| Respirable Suspended Particulate Matter (PM10) |
Respirable Dust Sampler |
IS- 5182(part 4) 1973 |
24 hourly |
| Sulphur Dioxide (SO2) |
Improved West and Gaeke |
IS- 5182(part 2) 1969 |
24 hourly |
| Oxides of Nitrogen (NOx) |
Sodium Arsenite |
IS- 5182(part 6) 1975 |
24 hourly |
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