40 CFR Part 82, Appendix K — Commodity Codes From the Harmonized Tariff Schedule for Controlled Substances and Used Controlled Substances
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Description of commodity or chemical | Commodity code from harmonized tariff schedule
Class II: |
| HCFC-22 (Chlorodifluoromethane) | 2903.71.0000 |
|---|---|
| HCFC-123 (Dichlorotrifluoroethane) | 2903.72.0020 |
| HCFC-124 (Monochlorotetrafluoroethane) | 2903.79.1000 |
| HCFC-141b (Dichlorofluoroethane) | 2903.73.0000 |
| HCFC-142b (Chlorodifluoroethane) | 2903.74.0000 |
| HCFC-225ca, HCFC-225cb (Dichloropentafluoropropanes) | 2903.75.0000 |
| HCFC-21, HCFC-31, HCFC-133, and other HCFCs | 2903.79.9070 |
| HCFC Mixtures (R-401A, R-402A, etc.) | 3824.74.0000 |
Class I: |
| CFC-11 (Trichlorofluoromethane) | 2903.77.0010 |
|---|---|
| CFC-12 (Dichlorodifluoromethane) | 2903.77.0050 |
| CFC-113 (Trichlorotrifluoroethane) | 2903.77.0020 |
| CFC-114 (Dichlorotetrafluoroethane) | 2903.77.0030 |
| CFC-115 (Monochloropentafluoroethane) | 2903.77.0040 |
| CFC-13, CFC-111, CFC-112, CFC-211, CFC-212, CFC-213, CFC-214, CFC-215, CFC-216, CFC-217, and other CFCs | 2903.77.0080 |
| CFC Mixtures (R-500, R-502, etc.) | 3824.71.0100 |
| Carbon Tetrachloride | 2903.14.0000 |
| Halon 1301 (Bromotrifluoromethane) | 2903.76.0010 |
| Halon, other | 2903.76.0050 |
| Methyl Bromide | 2903.39.1520 |
| Methyl Chloroform | 2903.19.6010 |
[85 FR 15299, Mar. 17, 2020]