---
kind: "section"
citation: "40 C.F.R. § 125.56"
title: "40"
number: "125.56"
heading: "Scope and purpose."
url: "https://uscodex.org/cfr/40/125.56"
---

# §125.56. Scope and purpose.


This subpart establishes the criteria to be applied by EPA in acting on [section 301(h)](/cfr/40/301.md?p=h) requests for modifications to the secondary treatment requirements. It also establishes special permit conditions which must be included in any permit incorporating a [section 301(h)](/cfr/40/301.md?p=h) modification of the secondary treatment requirements (“[section 301(h)](/cfr/40/301.md?p=h) modified permit”).


## Notes

### Authority

Authority: Clean Water Act, as amended by the Clean Water Act of 1977, 33 U.S.C. 1251 et seq., unless otherwise noted.

### Source

Source: 59 FR 40658, Aug. 9, 1994, unless otherwise noted.

### Authority

Authority: The Clean Water Act, 33 U.S.C. 1251 et seq., unless otherwise noted.

### Source

Source: 44 FR 32948, June 7, 1979, unless otherwise noted.