Class I Substance

Meaning, Term, and Glossary Definition - What is 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).

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Abatement Debris   Absorption   Absorption Barrier   Accident Site   Acclimatization   Acequia   Acid   Acid Aerosol   Acid Deposition   Acid Mine Drainage   
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Analytical testing dots