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狭所での作業において、有害ガスVC≤30%、VCとはどのようなガスですか?

2017-07-09View Original

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限られた空間での作業環境における有害ガスの検出・分析の合格基準として、VC≤30%という項目がありますが、VCとはどのようなガスでしょうか?
Reply #22017-07-09
有害ガスの体積を指します。すべてのガスではありません。
Reply #32017-07-10
VCじゃないって確かなの?体積含有量のこと?

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