---
kind: "section"
citation: "40 C.F.R. § 104.4"
title: "40"
number: "104.4"
heading: "Statement of basis and purpose."
url: "https://uscodex.org/cfr/40/104.4"
---

# §104.4. Statement of basis and purpose.


Whenever the Administrator publishes a proposed effluent standard, the notice thereof published in the Federal Register shall include a statement of the basis and purpose of the standard or a summary thereof. This statement shall include:

- (a) The purpose of the proposed standard;
- (b) An explanation of how the proposed standard was derived;
- (c) Scientific and technical data and studies supporting the proposed standard or references thereto if the materials are published or otherwise readily available; and
- (d) Such other information as may be reasonably required to set forth fully the basis of the standard.

## Notes

### Authority

Authority: Secs. 501 and 307(a) of the Federal Water Pollution Control Act, as amended (33 U.S.C. 1251 et seq., Pub. L. 92-500, 86 Stat. 816).

### Source

Source: 41 FR 17902, Apr. 29, 1976, unless otherwise noted.