467.22—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 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 practicable control technology currently available.
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with emulsions |
| Chromium |
0.057 |
0.024 |
| Cyanide |
0.038 |
0.016 |
| Zinc |
0.19 |
0.079 |
| Aluminum |
0.84 |
0.416 |
| Oil and grease |
2.60 |
1.56 |
| Suspended solids |
5.33 |
2.53 |
| 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 |
| Chromium |
0.59 |
0.24 |
| Cyanide |
0.39 |
0.16 |
| Zinc |
1.94 |
0.81 |
| Aluminum |
8.55 |
4.26 |
| Oil and grease |
26.58 |
15.95 |
| Suspended solids |
54.49 |
25.92 |
| 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 |
3.39 |
1.39 |
| Cyanide |
2.24 |
0.93 |
| Zinc |
11.25 |
4.70 |
| Aluminum |
49.55 |
24.66 |
| Oil and grease |
154.10 |
92.46 |
| Suspended solids |
315.91 |
150.25 |
| 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 |
0.079 |
0.032 |
| Cyanide |
0.052 |
0.022 |
| Zinc |
0.262 |
0.109 |
| Aluminum |
1.15 |
0.573 |
| Oil and grease |
3.58 |
2.15 |
| Suspended solids |
7.34 |
3.49 |
| 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 |
6.12 |
2.51 |
| Cyanide |
4.04 |
1.67 |
| Zinc |
20.31 |
8.49 |
| Aluminum |
89.46 |
44.52 |
| Oil and grease |
278.24 |
166.95 |
| Suspended solids |
570.39 |
271.29 |
| 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 |
7.00 |
2.86 |
| Cyanide |
4.61 |
1.91 |
| Zinc |
23.22 |
9.70 |
| Aluminum |
102.24 |
50.88 |
| Oil and grease |
318.00 |
190.80 |
| Suspended solids |
651.90 |
310.05 |
| 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 11632, Mar. 27, 1984, as amended at 53 FR 52370, Dec. 27, 1988]
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 practicable control technology currently available.
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with emulsions |
| Chromium |
0.057 |
0.024 |
| Cyanide |
0.038 |
0.016 |
| Zinc |
0.19 |
0.079 |
| Aluminum |
0.84 |
0.416 |
| Oil and grease |
2.60 |
1.56 |
| Suspended solids |
5.33 |
2.53 |
| 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 |
| Chromium |
0.59 |
0.24 |
| Cyanide |
0.39 |
0.16 |
| Zinc |
1.94 |
0.81 |
| Aluminum |
8.55 |
4.26 |
| Oil and grease |
26.58 |
15.95 |
| Suspended solids |
54.49 |
25.92 |
| 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 |
3.39 |
1.39 |
| Cyanide |
2.24 |
0.93 |
| Zinc |
11.25 |
4.70 |
| Aluminum |
49.55 |
24.66 |
| Oil and grease |
154.10 |
92.46 |
| Suspended solids |
315.91 |
150.25 |
| 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 |
0.079 |
0.032 |
| Cyanide |
0.052 |
0.022 |
| Zinc |
0.262 |
0.109 |
| Aluminum |
1.15 |
0.573 |
| Oil and grease |
3.58 |
2.15 |
| Suspended solids |
7.34 |
3.49 |
| 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 |
6.12 |
2.51 |
| Cyanide |
4.04 |
1.67 |
| Zinc |
20.31 |
8.49 |
| Aluminum |
89.46 |
44.52 |
| Oil and grease |
278.24 |
166.95 |
| Suspended solids |
570.39 |
271.29 |
| 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 |
7.00 |
2.86 |
| Cyanide |
4.61 |
1.91 |
| Zinc |
23.22 |
9.70 |
| Aluminum |
102.24 |
50.88 |
| Oil and grease |
318.00 |
190.80 |
| Suspended solids |
651.90 |
310.05 |
| 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 11632, Mar. 27, 1984, as amended at 53 FR 52370, Dec. 27, 1988]