Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 270 - Ore mining and dressing
Section NR 270.022 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
Universal Citation: WI Admin Code ยง NR 270.022
Current through August 26, 2024
Except as provided in ss. NR 270.0015, 270.002 and 270.003 and 40 CFR 125.30- 125.32, any existing source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT), The concentration of pollutants discharged in mine drainage from mines producing bauxite ores may not exceed:
|
Effluent characteristic |
[BPT] Effluent limitations |
|
|
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
|
Milligrams per liter |
||
|
TSS |
30.0 |
20.0 |
|
Fe (total) |
1.0 |
0.5 |
|
Al |
2.0 |
1.0 |
|
pH |
(1) |
(1) |
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