40 CFR § 420.36 - Pretreatment standards for new sources (PSNS).
---
identifier: "/us/cfr/t40/s420.36"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 420.36 - Pretreatment standards for new sources (PSNS)."
title_number: 40
title_name: "Protection of Environment"
section_number: "420.36"
section_name: "Pretreatment standards for new sources (PSNS)."
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"
---
# 420.36 Pretreatment standards for new sources (PSNS).
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.
(a) *Iron blast furnace.*
Subpart C
| | | |
| --- | --- | --- |
| | Kg/kkg (pounds per 1,000 lb) of product | |
| Ammonia-N | 0.00876 | 0.00292 |
| Cyanide | 0.000584 | 0.000292 |
| Phenols (4AAP) | 0.0000584 | 0.0000292 |
| Lead | 0.000263 | 0.0000876 |
| Zinc | 0.000394 | 0.000131 |
| The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at § 420.02 (s)). | | |
(b) [Reserved]
[47 FR 23284, May 27, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64267, Oct. 17, 2002]