40 CFR § 420.114 - New source performance standards (NSPS).

---
identifier: "/us/cfr/t40/s420.114"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 420.114 - New source performance standards (NSPS)."
title_number: 40
title_name: "Protection of Environment"
section_number: "420.114"
section_name: "New source performance standards (NSPS)."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "420"
part_name: "IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, and 1361."
regulatory_source: "47 FR 23284, May 27, 1982, unless otherwise noted."
cfr_part: "420"
---


# 420.114 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) *Batch and continuous.*

Subpart K

|  |  |  |
| --- | --- | --- |
|  | Kg/kkg (pounds per 1,000 lb) of product |  |
| TSS | 0.0146 | 0.00626 |
| O&G | 0.00626 | 0.00209 |
| pH | () | () |
| Within the range of 6.0 to 9.0. |  |  |