Regulations last checked for updates: Nov 23, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
  • Subpart G - Subpart G—Hydrochloric Acid Production Subcategory [Reserved]
  • Subpart J - Subpart J—Nitric Acid Production Subcategory [Reserved]
  • Subpart O - Subpart O—Sodium Carbonate Production Subcategory [Reserved]
  • Subpart R - Subpart R—Sodium Metal Production Subcategory [Reserved]
  • Subpart S - Subpart S—Sodium Silicate Production Subcategory [Reserved]
  • Subpart U - Subpart U—Sulfuric Acid Production Subcategory [Reserved]
  • Subpart Y - Subpart Y—Ammonium Hydroxide Production Subcategory [Reserved]
  • Subpart Z - Subpart Z—Barium Carbonate Production Subcategory [Reserved]
  • Subpart AF - Subpart AF—Carbon Dioxide Production Subcategory [Reserved]
  • Subpart AK - Subpart AK—Cuprous Oxide Production Subcategory [Reserved]
  • Subpart AM - Subpart AM—Ferrous Sulfate Production Subcategory [Reserved]
  • Subpart AT - Subpart AT—Manganese Sulfate Production Subcategory [Reserved]
  • Subpart AV - Subpart AV—Strong Nitric Acid Production Subcategory [Reserved]
  • Subpart AZ - Subpart AZ—Potassium Permanganate Production Subcategory [Reserved]
  • Subpart BD - Subpart BD—Sodium Hydrosulfide Production Subcategory [Reserved]
  • Subpart BE - Subpart BE—Sodium Hydrosulfite Production Subcategory [Reserved]
  • Subpart BF - Subpart BF—Sodium Silicofluoride Production Subcategory [Reserved]
  • Subpart BG - Subpart BG—Sodium Thiosulfate Production Subcategory [Reserved]
  • Subpart BI - Subpart BI—Sulfur Dioxide Production Subcategory [Reserved]
  • Subpart BJ - Subpart BJ—Zinc Oxide Production Subcategory [Reserved]
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316 (b) andc, 1317 (b) andc,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 47 FR 28278, June 29, 1982, unless otherwise noted.