40 CFR 414.90 - Applicability; description of the subcategory of direct discharge point sources that use end-of-pipe biological treatment.

Regulations last checked for updates: Apr 30, 2025

Title 40 - Protection of Environment last revised: Nov 30, 2025

View all text of Subpart I [§ 414.90 - § 414.91]

§ 414.90 - Applicability; description of the subcategory of direct discharge point sources that use end-of-pipe biological treatment.

The provisions of this subpart are applicable to the process wastewater discharges resulting from the manufacture of the OCPSF products and product groups defined by § 414.11 from any point source that uses end-of-pipe biological treatment or installs end-of-pipe biological treatment to comply with BPT effluent limitations.

authority: Secs. 301, 304, 306, 307, and 501, Pub. L. 92-500, 86 Stat. 816, Pub. L. 95-217, 91 Stat. 156, Pub. L. 100-4, 101 Stat. 7 (33 U.S.C. 1311,1314,1316,1317,and

source: 52 FR 42568, Nov. 5, 1987, unless otherwise noted.

cite as: 40 CFR 414.90