467.54—New source performance standards.
Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core and ancillary operations shall not exceed the values set forth below:
|
mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils |
| Chromium |
0.019 |
0.008 |
| Cyanide |
0.010 |
0.004 |
| Zinc |
0.051 |
0.021 |
| Aluminum |
0.304 |
0.135 |
| Oil and grease |
0.498 |
0.498 |
| Suspended solids |
0.747 |
0.598 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
| Chromium |
0.0008 |
0.0003 |
| Cyanide |
0.0004 |
0.0002 |
| Zinc |
0.002 |
0.0008 |
| Aluminum |
0.012 |
0.006 |
| Oil and grease |
0.02 |
0.02 |
| Suspended solids |
0.03 |
0.024 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
| Chromium |
0.072 |
0.029 |
| Cyanide |
0.039 |
0.016 |
| Zinc |
0.198 |
0.082 |
| Aluminum |
1.185 |
0.526 |
| Oil and grease |
1.939 |
1.939 |
| Suspended solids |
2.909 |
2.327 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
| Chromium |
0.754 |
0.306 |
| Cyanide |
0.408 |
0.163 |
| Zinc |
2.08 |
0.856 |
| 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 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.066 |
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 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.515 |
0.209 |
| Cyanide |
0.278 |
0.111 |
| Zinc |
1.42 |
0.584 |
| 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 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.715 |
0.290 |
| Cyanide |
0.387 |
0.155 |
| Zinc |
1.97 |
0.812 |
| 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 at all times. |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11633 and 11635, Mar. 27, 1984]
Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core and ancillary operations shall not exceed the values set forth below:
|
mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils |
| Chromium |
0.019 |
0.008 |
| Cyanide |
0.010 |
0.004 |
| Zinc |
0.051 |
0.021 |
| Aluminum |
0.304 |
0.135 |
| Oil and grease |
0.498 |
0.498 |
| Suspended solids |
0.747 |
0.598 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
| Chromium |
0.0008 |
0.0003 |
| Cyanide |
0.0004 |
0.0002 |
| Zinc |
0.002 |
0.0008 |
| Aluminum |
0.012 |
0.006 |
| Oil and grease |
0.02 |
0.02 |
| Suspended solids |
0.03 |
0.024 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
| Chromium |
0.072 |
0.029 |
| Cyanide |
0.039 |
0.016 |
| Zinc |
0.198 |
0.082 |
| Aluminum |
1.185 |
0.526 |
| Oil and grease |
1.939 |
1.939 |
| Suspended solids |
2.909 |
2.327 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
| Chromium |
0.754 |
0.306 |
| Cyanide |
0.408 |
0.163 |
| Zinc |
2.08 |
0.856 |
| 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 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.066 |
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 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.515 |
0.209 |
| Cyanide |
0.278 |
0.111 |
| Zinc |
1.42 |
0.584 |
| 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 at all times. |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
| Chromium |
0.715 |
0.290 |
| Cyanide |
0.387 |
0.155 |
| Zinc |
1.97 |
0.812 |
| 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 at all times. |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11633 and 11635, Mar. 27, 1984]