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 for the process operations representing the degree of effluent reduction attainable by the application of the best praticable control technology currently available (BPT):
(a) Extrusion spent lubricants—subpart G—BPT. There shall be no discharge process wastewater pollutants.
(b) Extrusion tool contact cooling water.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium extruded | ||
| Cadium | 0.117 | 0.052 |
| Chromium | 0.152 | 0.062 |
| Copper | 0.654 | 0.344 |
| Lead | 0.145 | 0.069 |
| Nickel | 0.661 | 0.437 |
| Fluoride | 20.5 | 9.08 |
| Molybdenum | 2.28 | 1.18 |
| Oil and grease | 6.88 | 4.13 |
| TSS | 14.1 | 6.71 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(c) Heat treatment contact cooling water.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated | ||
| Cadium | 0.646 | 0.285 |
| Chromium | 0.836 | 0.342 |
| Copper | 3.61 | 1.90 |
| Lead | 0.798 | 0.380 |
| Nickel | 3.65 | 2.42 |
| Fluoride | 113 | 50.2 |
| Molybdenum | 12.6 | 6.5 |
| Oil and grease | 38 | 22.8 |
| TSS | 77.9 | 37.1 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(d) Forging spent lubricants—subpart G—BPT. There shall be no discharge of process wastewater pollutants.
(e) Surface treatment spent baths.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium surface treated | ||
| Cadmium | 0.010 | 0.004 |
| Chromium | 0.012 | 0.005 |
| Copper | 0.052 | 0.027 |
| Lead | 0.012 | 0.006 |
| Nickel | 0.052 | 0.035 |
| Fluoride | 1.62 | 0.718 |
| Molybdenum | 0.180 | 0.093 |
| Oil and grease | 0.544 | 0.327 |
| TSS | 1.12 | 0.531 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(f) Surface treatment rinse.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium surface treated | ||
| Cadmium | 0.115 | 0.050 |
| Chromium | 0.149 | 0.061 |
| Copper | 0.641 | 0.337 |
| Lead | 0.142 | 0.068 |
| Nickel | 0.647 | 0.428 |
| Fluoride | 20.1 | 8.90 |
| Molybdenum | 2.23 | 1.16 |
| Oil and grease | 6.74 | 4.05 |
| TSS | 13.8 | 6.57 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(g) Wet air pollution control scrubber blowdown.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium surface treated | ||
| Cadmium | 0.00 | 0.0006 |
| Chromium | 0.002 | 0.0007 |
| Copper | 0.007 | 0.004 |
| Lead | 0.002 | 0.0007 |
| Nickel | 0.007 | 0.005 |
| Fluoride | 0.208 | 0.092 |
| Molybdenum | 0.023 | 0.012 |
| Oil and grease | 0.070 | 0.042 |
| TSS | 0.143 | 0.068 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(h) Sawing or grinding spent emulsions.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with emulsions | ||
| Cadmium | 0.002 | 0.0009 |
| Chromium | 0.003 | 0.001 |
| Copper | 0.011 | 0.006 |
| Lead | 0.003 | 0.001 |
| Nickel | 0.011 | 0.007 |
| Fluoride | 0.338 | 0.150 |
| Molybdenum | 0.038 | 0.020 |
| Oil and grease | 0.114 | 0.068 |
| TSS | 0.233 | 0.111 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(i) Sawing or grinding contact cooling water.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with contact cooling ater | ||
| Cadmium | 0.561 | 0.248 |
| Chromium | 0.726 | 0.297 |
| Copper | 3.14 | 1.65 |
| Lead | 0.693 | 0.330 |
| Nickel | 3.17 | 2.1 |
| Fluoride | 98.2 | 43.6 |
| Molybdenum | 10.9 | 5.65 |
| Oil and grease | 33.0 | 19.8 |
| TSS | 67.7 | 32.2 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(j) Sawing or grinding rinse.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of sawed or ground uranium rinses | ||
| Cadmium | 0.002 | 0.0007 |
| Chromium | 0.002 | 0.0009 |
| Copper | 0.009 | 0.005 |
| Lead | 0.002 | 0.001 |
| Nickel | 0.009 | 0.006 |
| Fluoride | 0.277 | 0.123 |
| Molybdenum | 0.031 | 0.016 |
| Oil and grease | 0.093 | 0.056 |
| TSS | 0.191 | 0.091 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(k) Area cleaning rinse.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium formed | ||
| Cadmium | 0.015 | 0.007 |
| Chromium | 0.019 | 0.008 |
| Copper | 0.082 | 0.043 |
| Lead | 0.018 | 0.009 |
| Nickel | 0.083 | 0.055 |
| Fluoride | 2.56 | 1.14 |
| Molybdenum | 0.284 | 0.147 |
| Oil and grease | 0.858 | 0.515 |
| TSS | 1.76 | 0.837 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(l) Drum washwater.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium formed | ||
| Cadmium | 0.015 | 0.007 |
| Chromium | 0.020 | 0.008 |
| Copper | 0.084 | 0.045 |
| Lead | 0.019 | 0.009 |
| Nickel | 0.085 | 0.057 |
| Fluoride | 2.64 | 1.17 |
| Molybdenum | 0.293 | 0.152 |
| Oil and grease | 0.886 | 0.532 |
| TSS | 1.82 | 0.864 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(m) Laundry washwater.
Subpart G—BPT
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/employee—day | ||
| Cadmium | 17.8 | 7.86 |
| Chromium | 23.1 | 9.43 |
| Copper | 99.6 | 52.4 |
| Lead | 22.0 | 10.5 |
| Nickel | 101 | 66.6 |
| Fluoride | 3,120 | 1,390 |
| Molybdenum | 347 | 179 |
| Oil and grease | 1,050 | 629 |
| TSS | 2,150 | 1,020 |
| pH | (1) | (1) |
1Within the range of 7.5 to 10.0 at all times.
(n) Degreasing spent solvents—subpart G—BPT. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]
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