Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 252 - Leather tanning and finishing
Section NR 252.75 - Pretreatment standards for existing sources (PSES)
Universal Citation: WI Admin Code ยง NR 252.75
Current through August 26, 2024
Except as provided in 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/l) |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Total chromium |
19.0 |
12.0 |
|
pH |
(1) |
(1) |
1Within the range 6.0 to 10.0.
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