467.65—Pretreatment standards for existing sources.
Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the values set forth below:
|
mg/off-kg (lb/million off-lbs) of aluminum drawn with emulsions or soaps |
Chromium |
0.205 |
0.084 |
Cyanide |
0.135 |
0.056 |
Zinc |
0.681 |
0.285 |
TTO |
0.32 |
|
Oil and grease (alternate monitoring parameter) |
25 |
12 |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
Chromium |
0.0009 |
0.0004 |
Cyanide |
0.0006 |
0.0003 |
Zinc |
0.0029 |
0.0012 |
TTO |
0.0014 |
|
Oil and grease (alternate monitoring parameter) |
0.10 |
0.052 |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
Chromium |
0.086 |
0.035 |
Cyanide |
0.056 |
0.024 |
Zinc |
0.283 |
0.119 |
TTO |
0.134 |
|
Oil and grease (alternate monitoring parameter |
10 |
5.1 |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
Chromium |
0.896 |
0.367 |
Cyanide |
0.591 |
0.245 |
Zinc |
2.98 |
1.25 |
TTO |
1.41 |
|
Oil and grease (alternate monitoring parameter) |
110 |
53 |
|
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 |
0.11 |
TTO |
0.124 |
|
Oil and grease (alternate monitoring parameter) |
9.3 |
4.7 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.612 |
0.251 |
Cyanide |
0.404 |
0.167 |
Zinc |
2.03 |
0.849 |
TTO |
0.96 |
|
Oil and grease (alternate monitoring parameter) |
73 |
36 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.851 |
0.348 |
Cyanide |
0.561 |
0.232 |
Zinc |
2.82 |
1.18 |
TTO |
1.33 |
|
Oil and grease (alternate monitoring parameter) |
100 |
50 |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11632 and 11636, Mar. 27, 1984, as amended at 53 FR 52369-52372, Dec. 27, 1988]
Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the values set forth below:
|
mg/off-kg (lb/million off-lbs) of aluminum drawn with emulsions or soaps |
Chromium |
0.205 |
0.084 |
Cyanide |
0.135 |
0.056 |
Zinc |
0.681 |
0.285 |
TTO |
0.32 |
|
Oil and grease (alternate monitoring parameter) |
25 |
12 |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
Chromium |
0.0009 |
0.0004 |
Cyanide |
0.0006 |
0.0003 |
Zinc |
0.0029 |
0.0012 |
TTO |
0.0014 |
|
Oil and grease (alternate monitoring parameter) |
0.10 |
0.052 |
|
mg/off-kg (lb/million off-lbs) of aluminum rod cast |
Chromium |
0.086 |
0.035 |
Cyanide |
0.056 |
0.024 |
Zinc |
0.283 |
0.119 |
TTO |
0.134 |
|
Oil and grease (alternate monitoring parameter |
10 |
5.1 |
|
mg/off-kg (lb/million off-lbs) of aluminum quenched |
Chromium |
0.896 |
0.367 |
Cyanide |
0.591 |
0.245 |
Zinc |
2.98 |
1.25 |
TTO |
1.41 |
|
Oil and grease (alternate monitoring parameter) |
110 |
53 |
|
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 |
0.11 |
TTO |
0.124 |
|
Oil and grease (alternate monitoring parameter) |
9.3 |
4.7 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.612 |
0.251 |
Cyanide |
0.404 |
0.167 |
Zinc |
2.03 |
0.849 |
TTO |
0.96 |
|
Oil and grease (alternate monitoring parameter) |
73 |
36 |
|
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched |
Chromium |
0.851 |
0.348 |
Cyanide |
0.561 |
0.232 |
Zinc |
2.82 |
1.18 |
TTO |
1.33 |
|
Oil and grease (alternate monitoring parameter) |
100 |
50 |
Code of Federal Regulations
[48 FR 49149, Oct. 24, 1983; 49 FR 11632 and 11636, Mar. 27, 1984, as amended at 53 FR 52369-52372, Dec. 27, 1988]