---
kind: "section"
citation: "40 C.F.R. § 420.94"
title: "40"
number: "420.94"
heading: "New source performance standards (NSPS)."
url: "https://uscodex.org/cfr/40/420.94"
---

# §420.94. 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) **Sulfuric acid pickling (spent acid solutions and rinse waters)—**
  - (1) **Rod, wire, and coil.**
  - (2) **Bar, billet, and bloom.**
  - (3) **Strip, sheet, and plate.**
  - (4) **Pipe, tube and other products.**
  - (5) **Fume scrubbers.**
- (b) **Hydrochloric acid pickling (spent acid solutions and rinse waters)—**
  - (1) **Rod, wire, and coil.**
  - (2) **Strip, sheet, and plate.**
  - (3) **Pipe, tube, and other products.**
  - (4) **Fume scrubbers.**
- (c) **Combination acid pickling (spent acid solutions and rinse waters)—**
  - (1) **Rod, wire, and coil.**
  - (2) **Bar, billet, and bloom.**
  - (3) **Strip, sheet and plate—continuous.**
  - (4) **Strip, sheet, and plate—batch.**
  - (5) **Pipe, tube, and other products.**
  - (6) **Fume scrubbers.**

## Notes

### Amendments

[47 FR 23284, May 27, 1982, as amended at 49 FR 21032, May 17, 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 21032, May 17, 1984]