Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 230 - Inorganic chemicals manufacturing
Subchapter LXIV - Cadmium pigments and salts
Section NR 230.642 - 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:
Table 69
Cadmium Pigments
|
BPT Effluent Limitations |
||
|
kg/kkg (pounds per 1,000 pounds) of cadmium pigments |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
TSS |
2.59 |
1.57 |
|
Cadmium |
0.078 |
0.026 |
|
Selenium |
0.11 |
0.037 |
|
Zinc |
0.017 |
0.0092 |
|
pH |
(1) |
(1) |
(1)Within the range of 6.0 to 9.0
Table 70
Cadmium Salts
|
BPT Effluent Limitations |
||
|
kg/kkg (pounds per 1,000 pounds) of cadmium salts |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
TSS |
0.0016 |
0.001 |
|
Cadmium |
0.0000487 |
0.0000162 |
|
Selenium |
0.000070 |
0.000023 |
|
Zinc |
0.0000104 |
0.0000058 |
|
pH |
(1) |
(1) |
(1) Within the range of 6.0 to 9.0
