Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 254 - Iron and steel manufacturing
Subchapter IV - Steelmaking Subcategory
Section NR 254.042 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT. Semi-wet basic oxygen furnace steelmaking operations and semi-wet electric arc furnace steelmaking operations may not discharge process wastewater pollutants to waters of the state.
Table 27
Wet Suppressed Combustion Basic Oxygen Furnace
| BPT Effluent Limitations | ||
|
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
|
Pollutant or pollutant property |
kg/kkg (pounds per 1,000 pounds) of product |
|
|
TSS |
0.0312 |
0.0104 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 28
Wet Open Combustion Basic Oxygen Furnace Steelmaking,Wet Open Hearth Furnace Steelmaking, and Wet Electric Arc Furnace Steelmaking
| BPT Effluent Limitations | ||
|
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
|
Pollutant or pollutant property |
kg/kkg (pounds per 1,000 pounds) of product |
|
|
TSS |
0.0687 |
0.0229 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
