40 CFR 415.666 - Pretreatment standards for new sources (PSNS).

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

View all text of Subpart BN [§ 415.660 - § 415.667]

§ 415.666 - Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS):

Subpart BN—Sodium Chlorate

Pollutant or pollutant property	PSNS effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Milligrams per liter (mg/l)
Antimony (T)	1.6	0.8
Chromium (T)	0.64	0.32

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for antimony(T) and chromium(T) are the same as specified in § 415.663. [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]