---
kind: "section"
citation: "40 C.F.R. § 420.104"
title: "40"
number: "420.104"
heading: "New source performance standards (NSPS)."
url: "https://uscodex.org/cfr/40/420.104"
---

# §420.104. New source performance standards (NSPS).


The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

- (a) **Cold rolling mills—**
  - (1) **Recirculation—single stand.**
  - (2) **Recirculation—multiple stands.**
  - (3) **Combination.**
  - (4) **Direct application—single stand.**
  - (5) **Direct application—multiple stands.**
- (b) **Cold worked pipe and tube mills—**
  - (1) **Using water.**
  - (2) **Using oil solutions.**

## Notes

### Amendments

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984; 49 FR 24726, June 15, 1984]

### Authority

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

### Source

Source: 47 FR 23284, May 27, 1982, unless otherwise noted.

### Amendments

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984; 49 FR 24726, June 15, 1984]