---
kind: "section"
citation: "40 C.F.R. § 435.61"
title: "40"
number: "435.61"
heading: "Specialized definitions."
url: "https://uscodex.org/cfr/40/435.61"
---

# §435.61. Specialized definitions.


For the purpose of this subpart:

- (a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in [40 CFR part 401](/cfr/40/part401.md) shall apply to this subpart.
- (b) The term “onshore” shall mean all land areas landward of the inner boundary of the territorial seas as defined in [40 CFR 125.1(gg)](/cfr/40/125.1.md?p=gg).
- (c) The term “well” shall means crude oil producing wells and shall not include gas wells or wells injecting water for disposal or for enchanced recovery of oil or gas.
- (d) The term “gas well” shall mean any well which produces natural gas in a ratio to the petroleum liquids produced greater than 15,000 cubic feet of gas per 1 barrel (42 gallons) of petroleum liquids.

## Notes

### Authority

Authority: 33 U.S.C. 1251, 1311, 1314, 1316, 1317, 1318, 1342 and 1361.

### Source

Source: 44 FR 22075, Apr. 13, 1979, unless otherwise noted.