New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard, which is identical with ISO 16000-4 : 2011 ‘Indoor air - Part 4: Determination of formaldehyde - Diffusive sampling method’ issued by the International Organization for Standardization (ISO), was adopted by the Bureau of Indian Standards on recommendation of the Air Quality Sectional Committee and approval of the Chemical Division Council.

This Indian Standard is published in several parts. The other parts in this series are:

Part 1 General aspects of sampling strategy

Part 2 Sampling strategy for formaldehyde

Part 3 Determination of formaldehyde and other carbonyl compounds in indoor air and test chamber air - Active sampling method

Part 37 Measurement of PM 2.5 mass concentration

Part 40 Indoor air quality management system