Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the following values:
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.030 |
0.013 |
Cyanide |
0.017 |
0.007 |
Zinc |
0.084 |
0.035 |
TTO |
0.057 |
|
Oil and grease (alternate monitoring parameter) |
0.817 |
0.817 |
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.021 |
0.009 |
Cyanide |
0.011 |
0.005 |
Zinc |
0.057 |
0.024 |
TTO |
0.038 |
|
Oil and grease (alternate monitoring parameter) |
0.54 |
0.54 |
|
mg/off-kg (lb/million off-lbs) of aluminum cast |
Chromium |
0.00073 |
0.00029 |
Cyanide |
0.00039 |
0.00016 |
Zinc |
0.0020 |
0.00082 |
TTO |
0.0014 |
|
Oil and grease (alternate monitoring parameter) |
0.020 |
0.020 |
|
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 |
TTO |
1.41 |
|
Oil and grease (alternate monitoring parameter) |
20.37 |
20.37 |
|
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 |
TTO |
0.124 |
|
Oil and grease (alternate monitoring parameter) |
1.79 |
1.79 |
|
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 |
TTO |
0.96 |
|
Oil and grease (alternate monitoring parameter) |
13.91 |
13.91 |
|
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 |
TTO |
1.34 |
|
Oil and grease (alternate monitoring parameter) |
19.33 |
19.33 |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11631 and 11632, Mar. 27, 1984]
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the following values:
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.030 |
0.013 |
Cyanide |
0.017 |
0.007 |
Zinc |
0.084 |
0.035 |
TTO |
0.057 |
|
Oil and grease (alternate monitoring parameter) |
0.817 |
0.817 |
|
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils |
Chromium |
0.021 |
0.009 |
Cyanide |
0.011 |
0.005 |
Zinc |
0.057 |
0.024 |
TTO |
0.038 |
|
Oil and grease (alternate monitoring parameter) |
0.54 |
0.54 |
|
mg/off-kg (lb/million off-lbs) of aluminum cast |
Chromium |
0.00073 |
0.00029 |
Cyanide |
0.00039 |
0.00016 |
Zinc |
0.0020 |
0.00082 |
TTO |
0.0014 |
|
Oil and grease (alternate monitoring parameter) |
0.020 |
0.020 |
|
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 |
TTO |
1.41 |
|
Oil and grease (alternate monitoring parameter) |
20.37 |
20.37 |
|
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 |
TTO |
0.124 |
|
Oil and grease (alternate monitoring parameter) |
1.79 |
1.79 |
|
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 |
TTO |
0.96 |
|
Oil and grease (alternate monitoring parameter) |
13.91 |
13.91 |
|
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 |
TTO |
1.34 |
|
Oil and grease (alternate monitoring parameter) |
19.33 |
19.33 |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11631 and 11632, Mar. 27, 1984]