40 CFR § 420.30 - Applicability; description of the ironmaking subcategory.

---
identifier: "/us/cfr/t40/s420.30"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 420.30 - Applicability; description of the ironmaking subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "420.30"
section_name: "Applicability; description of the ironmaking subcategory."
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"
---


# 420.30 Applicability; description of the ironmaking subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from ironmaking operations in which iron ore is reduced to molten iron in a blast furnace.