Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 279 - Petroleum refining
Section NR 279.57 - Pretreatment standards for new sources (PSNS)
Current through August 26, 2024
Except as provided in 40 CFR 403.7 any existing [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 (PSNS).
(1) The following standards apply to the total refinery flow contribution to the POTW:
Pollutant or pollutant property |
Pretreatment standards for new sources - maximum for any 1 day |
Milligrams per liter (mg/l) |
|
Oil and grease |
100.0 |
Ammonia |
1100.0 |
1 Where the discharge to the POTW consists solely of sour waters, the owner or operator has the option of complying with this limit or the daily maximum mass limitation for ammonia set forth in s. NR 279.53(1) and (2).
(2) The following standard is applied to the cooling tower discharge part of the total refinery flow to the POTW by multiplying:
Pollutant or pollutant property |
Pretreatment standards for new sources - maximum for any 1 day |
Milligrams per liter (mg/l) |
|
Total chromium |
1.0 |