Code of Federal Regulations > Title 40 > Chapter I > Part 422 - PART 422—PHOSPHATE MANUFACTURING POINT SOURCE CATEGORY

Regulations last checked for updates: May 21, 2025

Title 40 - Protection of Environment last revised: Apr 21, 2028

Subpart A [§ 422.10 - § 422.10] - Subpart A—Phosphorus Production Subcategory

Subpart B [§ 422.20 - § 422.20] - Subpart B—Phosphorus Consuming Subcategory

Subpart C [§ 422.30 - § 422.30] - Subpart C—Phosphate Subcategory

Subpart D [§ 422.40 - § 422.47] - Subpart D—Defluorinated Phosphate Rock Subcategory

Subpart E [§ 422.50 - § 422.57] - Subpart E—Defluorinated Phosphoric Acid Subcategory

Subpart F [§ 422.60 - § 422.67] - Subpart F—Sodium Phosphates Subcategory

authority: Secs. 301, 304 (b) and (c), 306 (b) and (c), and 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 6582, Feb. 20, 1974, unless otherwise noted.