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Class I Substance
Class I Substance: - One of several groups of chemicals with an ozone depletion potential of 0.2 or higher, including CFCS, Halons, Carbon Tetrachloride, and Methyl Chloroform (listed in the Clean Air Act), and HBFCs and Ethyl Bromide (added by EPA regulations). (See: Global warming potential.) [Environmental Protection Agency] News archive for Class I Substance:: |
Optics.org,Chemical Substance under Japan’s Pollutant Release and Transfer Register (PRTR) and is the most-used Class I substance in the company’s operations.
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