Wis. Admin. Code Department of Natural Resources NR 252.25

Current through October 28, 2024

Section NR 252.25 - Pretreatment standards for existing sources (PSES)

Except as provided in s. NR 252.04 and 40 CFR 403.7 and 403.13, any existing source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the following pretreatment standards:

Pollutant or pollutant property	PSES
	Milligrams per liter (mg/1)
	Maximum for any 1 day	Maximum for monthly average
Sulfide	24.0	. . . . ..
Total chromium	12.0	8.0
pH	(¹)	(¹)

¹Not less tha n 7.0.

Wis. Admin. Code Department of Natural Resources NR 252.25

Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.