Wis. Admin. Code Department of Natural Resources NR 262.23

Current through August 26, 2024

Section NR 262.23 - New source performance standards

Any new source subject to this subcategory shall achieve the following new source performance standards:

(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:

NSPS

Pollutant or pollutant property	Maximum for day any 1		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)
Aluminum . ..	3.82	(0.78)	1.56	(0.32)
Iron.........	1.55	(0.32)	0.79	(0.16)
Oil and grease.	12.6	(2.58)	12.6	(2.58)
TSS.........	18.91	(3.87)	15.12	(3.1)
pH ..........	(1)	(1)	(1)	(1)

¹Within the range 7.5 to 10.0.

Wis. Admin. Code Department of Natural Resources NR 262.23

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