Revised Standard from Last Update.

NATIONAL FOREWORD

‘This Indian Standard which is identical with ISO 10298: 2018 ‘Gas cylinders - Gases and gas mixtures - Determination of toxicity for the selection of cylinder valve outlets’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Chemical Hazards Sectional Committee and approval of the Chemical Division Council.’

This standard was originally published in 2016 by adopting ISO10298: 2010. First revision of this standard has been undertaken to align it with ISO 10298: 2018. In this revision the following modification have been made:

a) The Scope and Clause 4 have been clarified;

b) The terms and definitions in Clause 3 have been changed and, in particular, the reference to FTSC codes (that were in ISO 5145) was changed to ISO 14456; and

c) LC50 values of deuterium sulfide have been updated.