---
kind: "section"
citation: "40 C.F.R. § 63.2831"
title: "40"
number: "63.2831"
heading: "Where can I find definitions of key words used in this subpart?"
url: "https://uscodex.org/cfr/40/63.2831"
---

# §63.2831. Where can I find definitions of key words used in this subpart?


You can find definitions of key words used in this subpart in [§ 63.2872](/cfr/40/63.2872.md).


## Notes

### Source

Source: 66 FR 19011, Apr. 12, 2001, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.