40 CFR 415.546 - 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 BB [§ 415.540 - § 415.547]

§ 415.546 - 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 BB—Sodium Bisulfite

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
Chromium (T)	1.3	0.42

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium (T) are the same as specified in § 415.545. [47 FR 55227, Dec. 8, 1982]