Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. The mass of pollutants in the core and ancillary operations' process wastewater shall not exceed the following values:
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.036 |
0.015 |
Cyanide |
0.024 |
0.0098 |
Zinc |
0.119 |
0.050 |
Aluminum |
0.525 |
0.257 |
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.025 |
0.010 |
Cyanide |
0.016 |
0.0067 |
Zinc |
0.081 |
0.034 |
Aluminum |
0.356 |
0.174 |
|
mg/off-kg (lb/million off-lbs) of aluminum sheet cast |
Chromium |
0.00086 |
0.00035 |
Cyanide |
0.00057 |
0.00024 |
Zinc |
0.00287 |
0.0012 |
Aluminum |
0.0127 |
0.0062 |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
Chromium |
0.897 |
0.367 |
Cyanide |
0.591 |
0.245 |
Zinc |
2.974 |
1.243 |
Aluminum |
13.10 |
6.518 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.079 |
0.032 |
Cyanide |
0.052 |
0.022 |
Zinc |
0.262 |
0.109 |
Aluminum |
1.151 |
0.573 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.612 |
0.251 |
Cyanide |
0.404 |
0.167 |
Zinc |
2.031 |
0.849 |
Aluminum |
8.944 |
4.45 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.851 |
0.348 |
Cyanide |
0.561 |
0.232 |
Zinc |
2.822 |
1.179 |
Aluminum |
12.43 |
6.186 |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11631 and 11632, Mar. 27, 1984]
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. The mass of pollutants in the core and ancillary operations' process wastewater shall not exceed the following values:
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.036 |
0.015 |
Cyanide |
0.024 |
0.0098 |
Zinc |
0.119 |
0.050 |
Aluminum |
0.525 |
0.257 |
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.025 |
0.010 |
Cyanide |
0.016 |
0.0067 |
Zinc |
0.081 |
0.034 |
Aluminum |
0.356 |
0.174 |
|
mg/off-kg (lb/million off-lbs) of aluminum sheet cast |
Chromium |
0.00086 |
0.00035 |
Cyanide |
0.00057 |
0.00024 |
Zinc |
0.00287 |
0.0012 |
Aluminum |
0.0127 |
0.0062 |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
Chromium |
0.897 |
0.367 |
Cyanide |
0.591 |
0.245 |
Zinc |
2.974 |
1.243 |
Aluminum |
13.10 |
6.518 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.079 |
0.032 |
Cyanide |
0.052 |
0.022 |
Zinc |
0.262 |
0.109 |
Aluminum |
1.151 |
0.573 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.612 |
0.251 |
Cyanide |
0.404 |
0.167 |
Zinc |
2.031 |
0.849 |
Aluminum |
8.944 |
4.45 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.851 |
0.348 |
Cyanide |
0.561 |
0.232 |
Zinc |
2.822 |
1.179 |
Aluminum |
12.43 |
6.186 |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11631 and 11632, Mar. 27, 1984]