Code of Federal Regulations > Title 40 > Chapter I > Part 424 - PART 424—FERROALLOY MANUFACTURING POINT SOURCE CATEGORY

Regulations last checked for updates: May 14, 2025

Title 40 - Protection of Environment last revised: Apr 14, 2028

Subpart A [§ 424.10 - § 424.17] - Subpart A—Open Electric Furnaces With Wet Air Pollution Control Devices Subcategory

Subpart B [§ 424.20 - § 424.27] - Subpart B—Covered Electric Furnaces and Other Smelting Operations With Wet Air Pollution Control Devices Subcategory

Subpart C [§ 424.30 - § 424.37] - Subpart C—Slag Processing Subcategory

Subpart D [§ 424.40 - § 424.47] - Subpart D—Covered Calcium Carbide Furnaces With Wet Air Pollution Control Devices Subcategory

Subpart E [§ 424.50 - § 424.57] - Subpart E—Other Calcium Carbide Furnaces Subcategory

Subpart F [§ 424.60 - § 424.67] - Subpart F—Electrolytic Manganese Products Subcategory

Subpart G [§ 424.70 - § 424.77] - Subpart G—Electrolytic Chromium Subcategory

authority: Secs. 301, 304(b) and (c), 306(b) and (c), 307(c) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251,1311,1314,1316,1317; 86 Stat. 816

source: 39 FR 6809, Feb. 22, 1974, unless otherwise noted.