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While pure gas toxic designations are well known, this standard is the first to establish a means of classifying the toxicity of gas mixtures in accordance with the definitions of "toxic" or "poison" as contained in DOT and Canadian Transportation of Dangerous Goods (TDG) regulations and to coincide with International Organization for Standardization (ISO) values. Previous edition cited in 49 CFR.
 

Document History

  1. CGA P-20


    Standard for Classification of Toxic Gas Mixtures

    • Most Recent
  2. CGA P-20


    Standard for Classification of Toxic Gas Mixtures

    • Historical Version
  3. CGA P-20

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    Standard for Classification of Toxic Gas Mixtures

    • Historical Version
  4. CGA P-20


    Standard for the Classification of Toxic Gas Mixtures

    • Historical Version