Documents(CHD)


S.No Document Number Document Title Doc Type Priority Language Document Stage Last Action Date
1 CHD/35/17328
(Modified/Technically Equivalent To: ISO 14644-1)
Cleanrooms and associated controlled environments Part 1: Classification of air cleanliness by particle concentration New 3 English Ready for Gazette 04-07-2024
2 CHD/35/19220 Methods for Measurement of Air Pollution Part 27 Vapour-Phase Organic Chemicals Vinyl Chloride to nc22 Hydrocarbons In air and Gaseous Emissions – by Diffusive (Passive) Sampling onto Sorbent Tubes or Cartridges Followed by Thermal Desorption (TD) and Capillary gas Chromatography (GC) Analysis. New 3 English Proof to Department 15-07-2024
3 CHD/35/19221 METHODS FOR MEASUREMENT OF AIR POLLUTION PART 28 Vapour-phase organic chemicals C3 to nC30 hydrocarbons in air and gaseous emissions Sampling by pumped sorbent tubes followed by thermal desorption TD and capillary gas chromatography GC analysis New 3 English WC-Draft 03-06-2024
4 CHD/35/24456
IS 5182 : Part 4: 1999
METHODS FOR MEASUREMENTOF AIRPOLLUTION PART 4 SUSPENDED-PARTICULATE MATTER Revision 3 English WC-Draft 20-12-2023
5 CHD/35/25059
IS 17148 : Part 1: 2019

(Identical To: ISO 12039:2019)
Performance Characteristics of Automated Measurement Systems Part 1 Carbon Monoxide Carbon Dioxide and Oxygen from Stationary Sources Revision 3 English F-Draft 12-07-2024
6 CHD/35/25082
IS 5182 : Part 3: 1970
Method for Measurement of Air Pollution Part 3 Radioactivity Particulate in Air Revision 3 English WC-Draft 22-03-2024
7 CHD/35/25502 Method Measurement of air pollution Part X Vapor Phase Mercury in Ambient Air Sec 2 Cold-Vapor Atomic Absorption or Fluorescence Spectroscopy CVAFS Method Using Acidified solution of KMnO4 New 3 English P-Draft 01-05-2024
8 CHD/35/25505 Methods for Measurement of Air Pollution Part XX Vapor Phase Mercury in Ambient Air Sec 1 Cold-Vapor Atomic Fluorescence Spectrometer method by Amalgamation Principle New 3 English P-Draft 01-05-2024