---
kind: "section"
citation: "40 C.F.R. § 471.103"
title: "40"
number: "471.103"
heading: "New source performance standards (NSPS)."
url: "https://uscodex.org/cfr/40/471.103"
---

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


Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The mass of pollutants in the metal powder process wastewater shall not exceed the following values:

- (a) **Metal powder production atom-ization wastewater.**
- (b) **Sizing spent emulsions.**
- (c) **Oil-resin impregnation wastewater—subpart J—NSPS.** There shall be no discharge of process wastewater pollutants.
- (d) **Steam treatment wet air pollution control scrubber blowdown.**
- (e) **Tumbling, burnishing and cleaning wastewater.**
- (f) **Sawing or grinding spent neat oils—subpart J—NSPS.** There shall be no discharge of process wastewater pollutants.
- (g) **Sawing or grinding spent emulsions.**
- (h) **Sawing or grinding contact cooling water.**
- (i) **Hot pressing contact cooling water.**
- (j) **Mixing wet air pollution control scrubber blowdown.**
- (k) **Degreasing spent solvents—subpart J—NSPS.** There shall be no discharge of process wastewater pollutants.

## Notes

### Amendments

[50 FR 34270, Aug. 23, 1985; 51 FR 2889, Jan. 22, 1986]

### Authority

Authority: Secs. 301, 304(b), (c), (e), and (g), 306(b) and (c), 307, 308, and 501 of the Clean Water Act (the 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), and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.

### Source

Source: 50 FR 34270, Aug. 23, 1985, unless otherwise noted.

### Amendments

[50 FR 34270, Aug. 23, 1985; 51 FR 2889, Jan. 22, 1986]