CFR›Title 40›Chapter I›Part 459 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 459—PHOTOGRAPHIC POINT SOURCE CATEGORY Subparts A Subpart A—Photographic Processing Subcategory Sections 459.10–459.12 B Subpart B [Reserved] AuthoritySecs. 301, 304 (b), (c), 306(b), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251, 1311, 1314 (b) and (c) and 1316(b), 86 Stat. 816 et seq.; Pub. L. 92-500) (the Act).Source41 FR 29079, July 14, 1976, unless otherwise noted. Previous 458 Part 458—Carbon Black Manufacturing Point Source Category Next 460 Part 460—Hospital Point Source Category