StacksVerified U.S. regulatory reference

40 CFR Part 82, Appendix A

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

Class 1 controlled substances | ODP

A. Group I: |

CFCl3-Trichlorofluoromethane (CFC-ll)1
CF2 Cl2-Dichlorofifluoromethane (CFC-12)1
C2 F3 Cl3-Trichlorotrifluoroethane (CFC-113)0.8
C2 F4 Cl2-Dichlorotetrafluoroethane (CFC-114)1
C2 F5 Cl-Monochloropentafluoroethane (CFC-115)0.6

All isomers of the above chemicals |

B. Group II: |

CF2 ClBr-Bromochlorodifluoromethane (Halon-1211)3
CF3 Br-Bromotrifluoromethane (Halon-1301)10
C2 F4 Br2-Dibromotetrafluoroethane (Halon-2402)6

All isomers of the above chemicals |

C. Group III: |

CF3 Cl-Chlorotrifluoromethane (CFC-13)1
C2 FCl5-(CFC-111)1
C2 F2 Cl4-(CFC-112)1
C3 FCl7-(CFC-211)1
C3 F2 Cl6-(CFC-212)1
C3 F3 Cl5-(CFC-213)1
C3 F4 Cl4-(CFC-214)1
C3 F5 Cl3-(CFC-215)1
C3 F6 Cl2-(CFC-216)1
C3 F7 Cl-(CFC-217)1

All isomers of the above chemicals |

D. Group IV: CCl4-Carbon Tetrachloride | 1.1

E. Group V: |

C2 H3 Cl3-1,1,1 Trichloroethane (Methyl chloroform) | 0.1

All isomers of the above chemical except 1,1,2-trichloroethane |

F. Group VI: CH3 Br—Bromomethane (Methyl Bromide) | 0.7

G. Group VII: |

CHFBR21
CHF2 Br (HBFC-2201)0.74
CH2 FBr0.73
C2 HFBr40.3-0.8
C2 HF2 Br30.5-1.8
C2 HF3 Br20.4-1.6
C2 HF4 Br0.7-1.2
C2 H2 FBr30.1-1.1
C2 H2 F2 Br20.2-1.5
C2 H2 F3 Br0.7-1.6
C2 H2 FBr20.1-1.7
C2 H3 F2 Br0.2-1.1
C2 H4 FBr0.07-0.1
C3 HFBr60.3-1.5
C3 HF2 Br50.2-1.9
C3 HF3 Br40.3-1.8
C3 HF4 Br30.5-2.2
C3 HF5 Br20.9-2.0
C3 HF6 Br0.7-3.3
C3 H2 FBR50.1-1.9
C3 H2 F2 BR40.2-2.1
C3 H2 F3 Br30.2-5.6
C3 H2 F4 Br20.3-7.5
C3 H2 F5 BR0.9-14
C3 H3 FBR40.08-1.9
C3 H3 F2 Br30.1-3.1
C3 H3 F3 Br20.1-2.5
C3 H3 F4 Br0.3-4.4
C3 H4 FBr30.03-0.3
C3 H4 F2 Br20.1-1.0
C3 H4 F3 Br0.07-0.8
C3 H5 FBr20.04-0.4
C3 H5 F2 Br0.07-0.8
C3 H6 FB0.02-0.7

H. Group VIII: |

CH2BrCl (Chlorobromomethane 0.12 |

[60 FR 24986, May 10, 1995, as amended at 68 FR 42892, July 18, 2003]