CFR›Title 40›Chapter I›Part 414›Subpart K ContainsSections 414.110–414.111CorpusDaily eCFRDisplayed edition2026-08-10Last updated2026-08-10 Subpart K—Indirect Discharge Point Sources Sections 414.110 § 414.110 Applicability; description of the subcategory of indirect discharge point sources. 414.111 § 414.111 Toxic pollutant standards for indirect discharge point sources. Source58 FR 36893, July 9, 1993, unless otherwise noted. Previous J Subpart J—Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment