---
kind: "section"
citation: "40 C.F.R. § 82.82"
title: "40"
number: "82.82"
heading: "Definitions."
url: "https://uscodex.org/cfr/40/82.82"
---

# §82.82. Definitions.

- (a) Class I substance means any substance designated as class I by EPA pursuant to [42 U.S.C. 7671(a)](/usc/42/7671.md?p=a), including but not limited to chlorofluorocarbons, halons, carbon tetrachloride and methyl chloroform.
- (b) Class II substance means any substance designated as class II by EPA pursuant to [42 U.S.C. 7671(a)](/usc/42/7671.md?p=a), including but not limited to hydrochlorofluorocarbons.
- (c) Controlled substance means a class I or class II ozone-depleting substance.
- (d) **Department, agency and instrumentality of the United States—** refers to any executive department, military department, or independent establishment within the meaning of 5 U.S.C. [101](/usc/5/101.md), [102](/usc/5/102.md), and [104(1)](/usc/5/104.md?p=1), respectively, any wholly owned Government corporation, the United States Postal Service and Postal Rate Commission, and all parts of and establishments within the legislative and judicial branches of the United States.

## Notes

### Source

Source: 58 FR 54898, Oct. 22, 1993, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7414, 7601, 7671-7671q.

### Source

Source: 57 FR 33787, July 30, 1992, unless otherwise noted.