CHD 35  Revised Standards List


Total Standards :  2

S.No IS Number IS Title Aspect Degree of Equivalence
(E)
Date of Pub.
(F)
Document Action
1 IS 9620 : 2024
GUIDE FOR UNITS USED IN AIR QUALITY MEASUREMENTS Code of Practice Indigenous 26-03-2024
2 IS 17148 (Part 1) : 2024
ISO 12039:2019
Performance Characteristics of Automated Measurement Systems Part 1 Carbon Monoxide, Carbon Dioxide and Oxygen from Stationary Sources (First Revision) Methods of tests Identical under dual numbering 01-10-2024