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 VII - Hot Forming Subcategory
Section NR 254.074 - New source performance standards
The discharge of process wastewater pollutants from any new source subject to the hot forming subchapter may not exceed the following standards:
Table 55
Carbon and Specialty Primary Mills Without Scarfing
NSPS | ||
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 |
0.0150 |
0.00563 |
O&G |
0.00373 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 56
Carbon and Specialty Primary Mills With Scarfing
NSPS | ||
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 |
0.0150 |
0.00563 |
O&G |
0.00373 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 57
Carbon Section Mills
NSPS | ||
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 |
0.0334 |
0.0125 |
O&G |
0.00834 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 58
Specialty Section Mills
NSPS | ||
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 |
0.0217 |
0.00813 |
O&G |
0.00542 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 59
Carbon and Specialty Hot Strip and Sheet Mills
NSPS | ||
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 |
0.0435 |
0.0163 |
O&G |
0.0109 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 60
Carbon Plate Mills
NSPS | ||
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 |
0.0234 |
0.00876 |
O&G |
0.00584 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 61
Specialty Plate Mills
NSPS | ||
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 |
0.0100 |
0.00375 |
O&G |
0.00250 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
Table 62
Carbon and Specialty Pipe and Tube Mills
NSPS | ||
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 |
0.0369 |
0.0138 |
O&G |
0.00917 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0