Class I Substance
A Class I Substance is 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.)
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| Ozone-depleting substance | ■■■■■■■■■■ |
German: A compound that contributes to stratospheric ozone depletion. Ozone-depleting substances (ODS) . . . Read More | |
| Bromofluorocarbon | ■■■■■■■ |
In the environment context, "Bromofluorocarbon" refers to a group of organic compounds that contain bromine, . . . Read More | |
| Criteria Pollutants | ■■■■■■■ |
Criteria Pollutants are the 1970 amendments to the Clean Air Act required EPA to set National Ambient . . . Read More | |
| National Ambient Air Quality Standards (NAAQS): | ■■■■■■ |
National Ambient Air Quality Standards: National Ambient Air Quality Standards (NAAQS): : A National . . . Read More | |
| Group B2 | ■■■■■■ |
A Group B2 is Compounds for which animal data are sufficient to demonstrate a cause-and-effect relationship . . . Read More | |
| Methyl | ■■■■■■ |
Methyl in the environment context refers to a hydrocarbon group, or alkyl derived from methane, containing . . . Read More | |
| Halons | ■■■■■■ |
Halons are Compounds, also known as bromofluorocarbons, that contain bromine, fluorine, and carbon. They . . . Read More | |
| State Implementation Plan | ■■■■■ |
The State Implementation Plan (SIP) is a detailed description of the programs a state will use to carry . . . Read More | |
| Alliance of Small Island States (AOSIS) | ■■■■■ |
An Alliance of Small Island States (AOSIS) is the group of Pacific and Caribbean nations who call for . . . Read More | |
| Carbon dioxide equivalent | ■■■■■ |
A Carbon dioxide equivalent is a Metric measure used to compare the Emissions from various greenhouse . . . Read More | |