CFR›Title 40›Chapter I›Part 444 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 444—WASTE COMBUSTORS POINT SOURCE CATEGORY Subparts A Subpart A—Commercial Hazardous Waste Combustor Subcategory Sections 444.10–444.18 B Subpart B [Reserved] AuthoritySecs. 301, 304, 306, 307, 308, 402, and 501 of the Clean Water Act, as amended; 33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, and 1361.Source65 FR 4381, Jan. 27, 2000, unless otherwise noted. Previous 443 Part 443—Effluent Limitations Guidelines for Existing Sources and Standards of Performance and Pretreatment Standards for New Sources for the Paving and Roofing Materials (Tars and Asphalt) Point Source Category Next 445 Part 445—Landfills Point Source Category