Wis. Admin. Code Department of Natural Resources NR 262.25

Current through November 25, 2024

Section NR 262.25 - Pretreatment standards for new sources

Except as provided in 40 CFR 403.7, any new source subject to this subcategory which introduces pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403 and achieve the following pretreatment standards for new sources.

(1) There may not be discharge of process wastewater pollutants from metal preparation operations.

(2) The discharge of process wastewater pollutants from all porcelain enameling coating operations may not exceed the values set forth below:

PSNS

Pollutant or pollutant property	Maximum for any 1 day		Maximum for monthly average
mg/m2(Pounds per million ft2) of area coated
Chromium ......	0.47	(0.1)	0.19	(0.04)
Lead ...........	0.13	(0.03)	0.11	(0.02)
Nickel ..........	0.69	(0.14)	0.47	(0.1)
Zinc ...........	1.29	(0.27)	0.53	(0.11)

Wis. Admin. Code Department of Natural Resources NR 262.25

Cr. Register, October, 1986, No. 370, eff. 11-1-86.