---
kind: "section"
citation: "40 C.F.R. § 439.3"
title: "40"
number: "439.3"
heading: "General pretreatment standards."
url: "https://uscodex.org/cfr/40/439.3"
---

# §439.3. General pretreatment standards.


Any source subject to this part that introduces process wastewater pollutants into a publicly owned treatment works (POTW) must comply with [40 CFR part 403](/cfr/40/part403.md).


## Notes

### Amendments

[63 FR 50425, Sept. 21, 1998]

### Authority

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

### Source

Source: 48 FR 49821, Oct. 27, 1983, unless otherwise noted.

### Amendments

[63 FR 50425, Sept. 21, 1998]