---
kind: "section"
citation: "40 C.F.R. § 464.16"
title: "40"
number: "464.16"
heading: "Pretreatment standards for new sources."
url: "https://uscodex.org/cfr/40/464.16"
---

# §464.16. Pretreatment standards for new sources.


Except as provided in [40 CFR 403.7](/cfr/40/403.7.md), any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with [40 CFR part 403](/cfr/40/part403.md) and achieve the following pretreatment standards for new sources.

- (a) **Casting Cleaning Operations.**
- (b) **Casting Quench Operations.**
- (c) **Die Casting Operations.**
- (d) **Dust Collection Scrubber Operations.**
- (e) **Grinding Scrubber Operations.** No discharge of process wastewater pollutants to a POTW.
- (f) **Investment Casting.**
- (g) **Melting Furnace Scrubber Operations.**
- (h) **Mold Cooling Operations.**

## Notes

### Authority

Authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e) and (g), 1316 (b) and (c), 1317 (b) and (c), 1318, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.

### Source

Source: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.