METHODOLOGY: AIR POLLUTION | Centre for Science and Environment


METHODOLOGY: AIR POLLUTION

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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    CSE is conducting a profile of the Water Quality of the holy river, Ganga. The river Ganga covers almost five states: namely Uttrakhand, Uttar Pradesh, Jharkhand, Bihar and West Bengal. During its journey, it runs through almost 29 cities, 70 towns and thousands of villages - a 2,525 km journey from Gangotri to Ganga Sagar (Bay of Bengal). 

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