---
kind: "section"
citation: "40 C.F.R. § 300.4"
title: "40"
number: "300.4"
heading: "Abbreviations."
url: "https://uscodex.org/cfr/40/300.4"
---

# §300.4. Abbreviations.

- (a) **Department and Agency Title Abbreviations—**
- (b) **Operational Abbreviations—**

## Notes

### Amendments

[59 FR 47416, Sept. 15, 1994, as amended at 79 FR 65592, Nov. 5, 2014]

### Source

Source: 59 FR 47416, Sept. 15, 1994, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1251 et seq.; 42 U.S.C. 9601-9657; E.O. 13626, 77 FR 56749, 3 CFR, 2013 Comp., p. 306; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; E.O. 12580, 52 FR 2923, 3 CFR, 1987 Comp., p. 193.

### Amendments

[59 FR 47416, Sept. 15, 1994, as amended at 79 FR 65592, Nov. 5, 2014]