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464.32—Effluent limitations guidelines 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, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/1,000 kkg or lb/million lb of sand reclaimed; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 0.0129 | 0.0071 |
| Lead (T) | 0.0353 | 0.0174 |
| Zinc (T) | 0.0656 | 0.025 |
| Oil and grease | 1.34 | 0.446 |
| TSS | 1.7 | 0.67 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.0029 |
| Lead (T) | 0.79 | 0.39 | 0.0098 |
| Zinc (T) | 1.47 | 0.56 | 0.0179 |
| Oil and grease | 30 | 10 | 0.223 |
| TSS | 38 | 15 | 0.446 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of metal poured. | |||
| 2 These concentrations must be multiplied by the ratio (5.33/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 0.0138 | 0.0076 |
| Lead (T) | 0.0376 | 0.0185 |
| Zinc (T) | 0.0699 | 0.0266 |
| Oil and grease | 1.43 | 0.476 |
| TSS | 1.81 | 0.713 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.0031 |
| Lead (T) | 0.79 | 0.39 | 0.0105 |
| Zinc (T) | 1.47 | 0.56 | 0.019 |
| Oil and grease | 30 | 10 | 0.238 |
| TSS | 38 | 15 | 0.476 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of metal poured. | |||
| 2 These concentrations must be multiplied by the ratio of (5.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed | ||
| Copper (T) | 0.218 | 0.12 |
| Lead (T) | 0.593 | 0.293 |
| Zinc (T) | 1.1 | 0.421 |
| Total phenols | 0.656 | 0.225 |
| Oil and grease | 22.5 | 7.51 |
| TSS | 28.5 | 11.3 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | (mg/l) 2 | |
| Copper (T) | 0.29 | 0.16 | 0.0488 |
| Lead (T) | 0.79 | 0.39 | 0.165 |
| Zinc (T) | 1.47 | 0.56 | 0.3 |
| Total phenols | 0.86 | 0.3 | 0.15 |
| Oil and grease | 30 | 10 | 3.76 |
| TSS | 38 | 15 | 7.51 |
| pH | (3) | (3) | (3) |
| 1 kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed. | |||
| 2 These concentrations must be multiplied by the ratio (0.090/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
(d) Grinding Scrubber Operations.
No discharge of process wastewater pollutants to navigable waters.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 3.19 | 1.76 |
| Lead (T) | 8.7 | 4.3 |
| Zinc (T) | 16.2 | 6.17 |
| Oil and grease | 330 | 110 |
| TSS | 419 | 165 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.716 |
| Lead (T) | 0.79 | 0.39 | 2.42 |
| Zinc (T) | 1.47 | 0.56 | 4.41 |
| Oil and grease | 30 | 10 | 55.1 |
| TSS | 38 | 15 | 110 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of metal poured. | |||
| 2 These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed | ||
| Copper (T) | 1.02 | 0.561 |
| Lead (T) | 2.77 | 1.37 |
| Zinc (T) | 5.15 | 1.96 |
| Total phenols | 3.01 | 1.05 |
| Oil and grease | 105 | 35 |
| TSS | 133 | 52.6 |
| pH | (1) | (1) |
| 1Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.228 |
| Lead (T) | 0.79 | 0.39 | 0.771 |
| Zinc (T) | 1.47 | 0.56 | 1.4 |
| Total phenols | 0.86 | 0.3 | 0.701 |
| Oil and grease | 30 | 10 | 17.5 |
| TSS | 38 | 15 | 35 |
| pH | (3) | (3) | (3) |
| 1 kg/62.3 million Sm3 (pounds per billion SCF) or air scrubbed. | |||
| 2 These concentrations must be multiplied by the ratio of (0.42/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 0.0428 | 0.0236 |
| Lead (T) | 0.117 | 0.0576 |
| Zinc (T) | 0.217 | 0.0827 |
| Oil and grease | 4.43 | 1.48 |
| TSS | 5.61 | 2.22 |
| pH | (1) | (1) |
| 1Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.0096 |
| Lead (T) | 0.79 | 0.39 | 0.0325 |
| Zinc (T) | 1.47 | 0.56 | 0.0591 |
| Oil and grease | 30 | 10 | 0.738 |
| TSS | 38 | 15 | 1.48 |
| pH | (3) | (3) | (3) |
|
1 kg/1,000 kkg (pounds per million pounds) of metal poured
Code of Federal Regulations
577
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| 2 These concentrations must be multiplied by the ratio of (17.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Cooper (T) | 0.0527 | 0.0291 |
| Lead (T) | 0.144 | 0.0709 |
| Zinc (T) | 0.267 | 0.102 |
| Oil and grease | 5.46 | 1.82 |
| TSS | 6.91 | 2.73 |
| pH | (1) | (1) |
| 1 Within the range 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.0118 |
| Lead (T) | 0.79 | 0.39 | 0.04 |
| Zinc (T) | 1.47 | 0.56 | 0.0728 |
| Oil and grease | 30 | 10 | 0.909 |
| TSS | 38 | 15 | 1.82 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of metal poured. | |||
| 2 These concentrations must be multiplied by the ratio of (21.8/x) where x is the actual normalized process wasterwater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of sand reclaimed | ||
| Cooper (T) | 0.217 | 0.12 |
| Lead (T) | 0.59 | 0.291 |
| Zinc (T) | 1.1 | 0.418 |
| Total phenols | 0.642 | 0.224 |
| Oil and grease | 22.4 | 7.47 |
| TSS | 28.4 | 11.2 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Cooper (T) | 0.29 | 0.16 | 0.0485 |
| Lead (T) | 0.79 | 0.39 | 0.164 |
| Zinc (T) | 1.47 | 0.56 | 0.299 |
| Total phenols | 0.86 | 0.3 | 0.149 |
| Oil and grease | 30 | 10 | 3.73 |
| TSS | 38 | 15 | 7.47 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of sand reclaimed. | |||
| 2 These concentrations must be multiplied by the ratio of (89.5/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of sand reclaimed) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
Code of Federal Regulations
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, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/1,000 kkg or lb/million lb of sand reclaimed; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 0.0129 | 0.0071 |
| Lead (T) | 0.0353 | 0.0174 |
| Zinc (T) | 0.0656 | 0.025 |
| Oil and grease | 1.34 | 0.446 |
| TSS | 1.7 | 0.67 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.0029 |
| Lead (T) | 0.79 | 0.39 | 0.0098 |
| Zinc (T) | 1.47 | 0.56 | 0.0179 |
| Oil and grease | 30 | 10 | 0.223 |
| TSS | 38 | 15 | 0.446 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of metal poured. | |||
| 2 These concentrations must be multiplied by the ratio (5.33/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 0.0138 | 0.0076 |
| Lead (T) | 0.0376 | 0.0185 |
| Zinc (T) | 0.0699 | 0.0266 |
| Oil and grease | 1.43 | 0.476 |
| TSS | 1.81 | 0.713 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.0031 |
| Lead (T) | 0.79 | 0.39 | 0.0105 |
| Zinc (T) | 1.47 | 0.56 | 0.019 |
| Oil and grease | 30 | 10 | 0.238 |
| TSS | 38 | 15 | 0.476 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of metal poured. | |||
| 2 These concentrations must be multiplied by the ratio of (5.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed | ||
| Copper (T) | 0.218 | 0.12 |
| Lead (T) | 0.593 | 0.293 |
| Zinc (T) | 1.1 | 0.421 |
| Total phenols | 0.656 | 0.225 |
| Oil and grease | 22.5 | 7.51 |
| TSS | 28.5 | 11.3 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | (mg/l) 2 | |
| Copper (T) | 0.29 | 0.16 | 0.0488 |
| Lead (T) | 0.79 | 0.39 | 0.165 |
| Zinc (T) | 1.47 | 0.56 | 0.3 |
| Total phenols | 0.86 | 0.3 | 0.15 |
| Oil and grease | 30 | 10 | 3.76 |
| TSS | 38 | 15 | 7.51 |
| pH | (3) | (3) | (3) |
| 1 kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed. | |||
| 2 These concentrations must be multiplied by the ratio (0.090/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
(d) Grinding Scrubber Operations.
No discharge of process wastewater pollutants to navigable waters.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| kg/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 3.19 | 1.76 |
| Lead (T) | 8.7 | 4.3 |
| Zinc (T) | 16.2 | 6.17 |
| Oil and grease | 330 | 110 |
| TSS | 419 | 165 |
| pH | (1) | (1) |
| 1 Within the range of 7.0 to 10.0 at all times. | ||
| Maximum for any 1 day | Maximum for monthly average | Annual average 1 | |
|---|---|---|---|
| (mg/l) 2 | (mg/l) 2 | ||
| Copper (T) | 0.29 | 0.16 | 0.716 |
| Lead (T) | 0.79 | 0.39 | 2.42 |
| Zinc (T) | 1.47 | 0.56 | 4.41 |
| Oil and grease | 30 | 10 | 55.1 |
| TSS | 38 | 15 | 110 |
| pH | (3) | (3) | (3) |
| 1 kg/1,000 kkg (pounds per million pounds) of metal poured. | |||
| 2 These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. | |||
| 3 Within the range of 7.0 to 10.0 at all times. | |||
| Pollutant or pollutant property | Maximum for any 1 day |
Tips
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