CGA P 20 T : 1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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TENTATIVE STANDARD FOR THE CLASSIFICATION OF TOXIC GAS MIXTURES
01-01-1995
12-01-2013
Pure gas toxic designations are well known. However, there has heretofore been no universally accepted method of determining the toxicity of gas mixtures. Establishes a means of classifying such mixtures in accordance with the definitions of "toxic" or "poison" as contained in U.S. Department of Transportation (DOT) and Canadian Transportation of Dangerous Goods (TDG) Regulations.
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