Difference between revisions of "Class I substance"

Revision as of 14:17, January 24, 2010

Page corrected by Anon

@@ Line 1: / Line 1: @@
-A '''Class I substance''' is one of several groups of [[chemical]]s given an [[ozone-depletion potential]] (ODP) of 0.2 or higher by the [[Environmental Protection Agency]] (EPA).
+Page corrected by Anon
-Class I substances listed in the [[Clean Air Act]] include [[chlorofluorocarbon]]s, [[halon]]s, [[carbon tetrachloride]], and [[methyl chloroform]].
-The [[EPA]] later added HBFCs and methyl bromide to the list by [[regulation]].
-==External Links==
-*[http://www.epa.gov/ozone/ods.html Table] of class I substances shows their lifetime ODPs, [[global warming potential]]s, and [[CAS number]]s.
 [[Category:Chemistry]]