StacksVerified U.S. regulatory reference

40 CFR Part 82, Appendix H

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
DateCarbon tetrachloride (percent)Methyl chloroform (percent)Other class substances (percent)
1994708565
1995157050
1996155040
1997155015
1998155015
1999155015
2000| 20
2001| 20