467.24—New source performance standards.
Any new source subject to this subpart must achieve the following performance standards. The discharge of process wastewater pollutants from the core shall not exceed the values set forth below:
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with emulsions |
| Chromium |
0.048 |
0.020 |
| Cyanide |
0.026 |
0.011 |
| Zinc |
0.133 |
0.055 |
| Aluminum |
0.80 |
0.35 |
| Oil and grease |
1.30 |
1.30 |
| Suspended solids |
1.95 |
1.56 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cast by semicontinuous methods |
| Chromium |
0.49 |
0.20 |
| Cyanide |
0.27 |
0.11 |
| Zinc |
1.36 |
0.56 |
| Aluminum |
8.12 |
3.60 |
| Oil and grease |
13.29 |
13.29 |
| Suspended solids |
19.94 |
15.95 |
| pH |
(1) |
(1) |
|
1 The pH shall be maintained within the range of 7.0 to 10.0 at all times except for those situations when this waste stream is discharged separately and without commingling with any other wastewater in which case the pH shall be within the range of 6.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
| Chromium |
0.76 |
0.31 |
| Cyanide |
0.41 |
0.17 |
| Zinc |
2.08 |
0.86 |
| Aluminum |
12.45 |
5.52 |
| Oil and grease |
20.37 |
20.37 |
| Suspended solids |
30.56 |
24.45 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.067 |
0.027 |
| Cyanide |
0.036 |
0.015 |
| Zinc |
0.183 |
0.075 |
| Aluminum |
1.094 |
0.485 |
| Oil and grease |
1.79 |
1.79 |
| Suspended solids |
2.69 |
2.15 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.52 |
0.21 |
| Cyanide |
0.28 |
0.11 |
| Zinc |
1.42 |
0.59 |
| Aluminum |
8.50 |
3.77 |
| Oil and grease |
13.91 |
13.91 |
| Suspended solids |
20.87 |
16.70 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.72 |
0.29 |
| Cyanide |
0.39 |
0.16 |
| Zinc |
1.97 |
0.81 |
| Aluminum |
11.81 |
5.24 |
| Oil and grease |
19.33 |
19.33 |
| Suspended solids |
29.00 |
23.20 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11631 and 11633, Mar. 27, 1984, as amended at 53 FR 52370, Dec. 27, 1988]
Any new source subject to this subpart must achieve the following performance standards. The discharge of process wastewater pollutants from the core shall not exceed the values set forth below:
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with emulsions |
| Chromium |
0.048 |
0.020 |
| Cyanide |
0.026 |
0.011 |
| Zinc |
0.133 |
0.055 |
| Aluminum |
0.80 |
0.35 |
| Oil and grease |
1.30 |
1.30 |
| Suspended solids |
1.95 |
1.56 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cast by semicontinuous methods |
| Chromium |
0.49 |
0.20 |
| Cyanide |
0.27 |
0.11 |
| Zinc |
1.36 |
0.56 |
| Aluminum |
8.12 |
3.60 |
| Oil and grease |
13.29 |
13.29 |
| Suspended solids |
19.94 |
15.95 |
| pH |
(1) |
(1) |
|
1 The pH shall be maintained within the range of 7.0 to 10.0 at all times except for those situations when this waste stream is discharged separately and without commingling with any other wastewater in which case the pH shall be within the range of 6.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
| Chromium |
0.76 |
0.31 |
| Cyanide |
0.41 |
0.17 |
| Zinc |
2.08 |
0.86 |
| Aluminum |
12.45 |
5.52 |
| Oil and grease |
20.37 |
20.37 |
| Suspended solids |
30.56 |
24.45 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.067 |
0.027 |
| Cyanide |
0.036 |
0.015 |
| Zinc |
0.183 |
0.075 |
| Aluminum |
1.094 |
0.485 |
| Oil and grease |
1.79 |
1.79 |
| Suspended solids |
2.69 |
2.15 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.52 |
0.21 |
| Cyanide |
0.28 |
0.11 |
| Zinc |
1.42 |
0.59 |
| Aluminum |
8.50 |
3.77 |
| Oil and grease |
13.91 |
13.91 |
| Suspended solids |
20.87 |
16.70 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.72 |
0.29 |
| Cyanide |
0.39 |
0.16 |
| Zinc |
1.97 |
0.81 |
| Aluminum |
11.81 |
5.24 |
| Oil and grease |
19.33 |
19.33 |
| Suspended solids |
29.00 |
23.20 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11631 and 11633, Mar. 27, 1984, as amended at 53 FR 52370, Dec. 27, 1988]