Collapse to view only § 471.53 - New source performance standards (NSPS).
- § 471.50 - Applicability; description of the refractory metals forming subcategory.
- § 471.51 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
- § 471.52 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
- § 471.53 - New source performance standards (NSPS).
- § 471.54 - Pretreatment standards for existing sources (PSES).
- § 471.55 - Pretreatment standards for new sources (PSNS).
- § 471.56 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]
§ 471.50 - Applicability; description of the refractory metals forming subcategory.
This subpart applies to discharges of pollutants to waters of the United States, and introductions of pollutants into publicly owned treatment works from the process operations of the refractory metals forming subcategory.
§ 471.51 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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 practicable control technology currently available (BPT):
(a) Rolling spent neat oils and graphite based lubricants—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions | Copper | 0.815 | 0.429 | Nickel | 0.824 | 0.545 | Fluoride | 25.5 | 11.3 | Molybdenum | 2.84 | 1.47 | Oil and grease | 8.58 | 5.15 | TSS | 17.6 | 8.37 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(c) Drawing spent lubricants—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent lubricants—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
(e) Extrusion press hydraulic fluid leakage.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals extruded | Copper | 2.26 | 1.19 | Nickel | 2.29 | 1.51 | Fluoride | 70.8 | 31.4 | Molybdenum | 7.87 | 4.07 | Oil and grease | 23.8 | 14.3 | TSS | 48.8 | 23.2 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(f) Forging spent lubricants—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
(g) Forging contact cooling water.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of forged refractory metals cooled with water | Copper | 0.614 | 0.323 | Nickel | 0.620 | 0.410 | Fluoride | 19.2 | 8.53 | Molybdenum | 2.14 | 1.11 | Oil and grease | 6.46 | 3.88 | TSS | 13.3 | 6.30 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(h) Equipment cleaning wastewater.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 2.59 | 1.36 | Nickel | 2.61 | 1.73 | Fluoride | 80.9 | 35.9 | Molybdenum | 8.99 | 4.65 | Oil and grease | 27.2 | 16.3 | TSS | 55.8 | 26.5 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(i) Metal powder production wastewater.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals powder produced | Copper | 0.534 | 0.281 | Nickel | 0.540 | 0.357 | Fluoride | 16.70 | 7.42 | Molybdenum | 1.86 | 0.961 | Oil and grease | 5.62 | 3.37 | TSS | 11.5 | 5.48 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(j) Metal powder production floor wash wastewater—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
(k) Metal powder pressing spent lubricants—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
(l) Surface treatment spent baths.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 0.739 | 0.389 | Nickel | 0.747 | 0.494 | Fluoride | 23.2 | 10.3 | Molybdenum | 2.57 | 1.33 | Oil and grease | 7.78 | 4.68 | TSS | 16.0 | 7.59 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(m) Surface treatment rinse.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 230 | 121 | Nickel | 232 | 154 | Fluoride | 7,200 | 3,200 | Molybdenum | 800 | 414 | Oil and grease | 2,420 | 1,450 | TSS | 4,960 | 2,360 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(n) Alkaline cleaning spent baths.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 0.635 | 0.334 | Nickel | 0.641 | 0.424 | Fluoride | 19.9 | 8.82 | Molybdenum | 2.21 | 1.14 | Oil and grease | 6.68 | 4.01 | TSS | 13.7 | 6.51 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(o) Alkaline cleaning rinse.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 1,550 | 816 | Nickel | 1,570 | 1,040 | Fluoride | 48,600 | 21,600 | Molybdenum | 5,400 | 2,790 | Oil and grease | 16,300 | 9,790 | TSS | 33,500 | 15,900 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(p) Molten salt rinse.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals treated with molten salt | Copper | 12.1 | 6.33 | Nickel | 12.2 | 8.04 | Fluoride | 377 | 167 | Molybdenum | 41.9 | 21.7 | Oil and grease | 127 | 76.0 | TSS | 260 | 124 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(q) Tumbling or burnishing wastewater.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals tumbled or burnished | Copper | 23.8 | 12.5 | Nickel | 24.0 | 15.9 | Fluoride | 744 | 330 | Molybdenum | 82.7 | 42.8 | Oil and grease | 250 | 150 | TSS | 513 | 244 | pH | ( 1) | ( 1) |
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Within the range of 7.5 to 10.0 at all times.
(r) Sawing or grinding spent neat oils—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
(s) Sawing or grinding spent emulsions.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with emulsions | Copper | 0.565 | 0.297 | Nickel | 0.570 | 0.377 | Fluoride | 17.7 | 7.84 | Molybdenum | 1.97 | 1.02 | Oil and grease | 5.94 | 3.57 | TSS | 12.2 | 5.79 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(t) Sawing or grinding contact cooling water.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with contact cooling water | Copper | 46.2 | 24.3 | Nickel | 46.7 | 30.9 | Fluoride | 1450 | 642 | Molybdenum | 161 | 83.1 | Oil and grease | 486 | 292 | TSS | 997 | 474 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(u) Sawing or grinding rinse.
Subpart E—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 refractory metals rinsed | Copper | 0.257 | 0.135 | Nickel | 0.259 | 0.172 | Fluoride | 8.03 | 3.57 | Molybdenum | 0.893 | 0.462 | Oil and grease | 2.70 | 1.62 | TSS | 5.54 | 2.63 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(v) Wet air pollution control scrubber blowdown.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground, surface coated or surface treated | Copper | 1.50 | 0.787 | Nickel | 1.51 | 1.00 | Fluoride | 46.8 | 20.8 | Molybdenum | 5.20 | 2.69 | Oil and grease | 15.8 | 9.45 | TSS | 32.3 | 15.4 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(w) Miscellaneous wastewater sources.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.656 | 0.345 | Nickel | 0.663 | 0.438 | Fluoride | 20.6 | 9.11 | Molybdenum | 2.28 | 1.18 | Oil and grease | 6.9 | 4.14 | TSS | 14.2 | 6.73 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(x) Dye penetrant testing wastewater.
Subpart E—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals tested | Copper | 0.150 | 0.078 | Nickel | 0.150 | 0.099 | Fluoride | 4.60 | 2.00 | Molybdenum | 0.513 | 0.266 | Oil and grease | 1.60 | 0.930 | TSS | 3.20 | 1.50 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(y) Degreasing spent solvents—subpart E—BPT. There shall be no discharge of process wastewater pollutants.
§ 471.52 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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 available technology economically achievable (BAT):
(a) Rolling spent neat oils and graphite based lubricants—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions | Copper | 0.549 | 0.262 | Nickel | 0.236 | 0.157 | Fluoride | 25.5 | 11.3 | Molybdenum | 2.16 | 0.957 |
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(c) Drawing spent lubricants—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent lubricants—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
(e) Extrusion press hydraulic fluid leakage.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals extruded | Copper | 1.5 | 0.730 | Nickel | 0.650 | 0.440 | Fluoride | 71.000 | 31.0 | Molybdenum | 5.99 | 2.66 |
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(f) Forging spent lubricants—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
(g) Forging contact cooling water.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of forged refractory metals cooled with water | Copper | 0.041 | 0.020 | Nickel | 0.018 | 0.012 | Fluoride | 1.92 | 0.853 | Molybdenum | 0.163 | 0.072 |
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(h) Equipment cleaning wastewater.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.174 | 0.083 | Nickel | 0.075 | 0.051 | Fluoride | 8.09 | 3.59 | Molybdenum | 0.684 | 0.303 |
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(i) Metal powder production wastewater.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals powder produced | Copper | 0.360 | 0.172 | Nickel | 0.155 | 0.104 | Fluoride | 16.7 | 7.42 | Molybdenum | 1.42 | 0.627 |
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(j) Metal powder production floor wash wastewater—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
(k) Metal powder pressing spent lubricants—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
(l) Surface treatment spent baths.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 0.498 | 0.237 | Nickel | 0.214 | 0.144 | Fluoride | 23.2 | 10.3 | Molybdenum | 1.96 | 0.868 |
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(m) Surface treatment rinse.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 15.5 | 7.38 | Nickel | 6.66 | 4.48 | Fluoride | 720 | 320 | Molybdenum | 60.9 | 27.0 |
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(n) Alkaline cleaning spent baths.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 0.428 | 0.204 | Nickel | 0.184 | 0.124 | Fluoride | 19.9 | 8.82 | Molybdenum | 1.68 | 0.745 |
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(o) Alkaline cleaning rinse.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 10.5 | 4.98 | Nickel | 4.49 | 3.02 | Fluoride | 486 | 216 | Molybdenum | 41.1 | 18.2 |
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(p) Molten salt rinse.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals treated with molten salt | Copper | 0.810 | 0.386 | Nickel | 0.348 | 0.234 | Fluoride | 37.7 | 16.7 | Molybdenum | 3.19 | 1.41 |
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(q) Tumbling or burnishing wastewater.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals tumbled or burnished | Copper | 1.60 | 0.763 | Nickel | 0.688 | 0.463 | Fluoride | 74.4 | 33.0 | Molybdenum | 6.29 | 2.79 |
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(r) Sawing or grinding spent neat oils—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
(s) Sawing or grinding spent emulsions.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with emulsions | Copper | 0.380 | 0.181 | Nickel | 0.164 | 0.110 | Fluoride | 17.7 | 7.84 | Molybdenum | 1.50 | 0.663 |
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(t) Sawing or grinding contact cooling water.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with contact cooling water | Copper | 3.11 | 1.48 | Nickel | 1.34 | 0.899 | Fluoride | 145.0 | 64.2 | Molybdenum | 12.2 | 5.42 |
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(u) Sawing or grinding rinse.
Subpart E—BAT
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 refractory metals rinsed | Copper | 0.018 | 0.009 | Nickel | 0.008 | 0.005 | Fluoride | 0.803 | 0.357 | Molybdenum | 0.068 | 0.030 |
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(v) Wet air pollution control scrubber blowdown.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed, surface coated or surface treated | Copper | 1.01 | 0.480 | Nickel | 0.433 | 0.291 | Fluoride | 46.8 | 20.8 | Molybdenum | 3.96 | 1.76 |
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(w) Miscellaneous wastewater sources.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.442 | 0.211 | Nickel | 0.190 | 0.128 | Fluoride | 20.6 | 9.11 | Molybdenum | 1.74 | 0.770 |
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(x) Dye penetrant testing wastewater.
Subpart E—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals product tested | Copper | 0.100 | 0.048 | Nickel | 0.043 | 0.029 | Fluoride | 4.62 | 2.05 | Molybdenum | 0.391 | 0.173 |
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(y) Degreasing spent solvents—subpart E—BAT. There shall be no discharge of process wastewater pollutants.
§ 471.53 - New source performance standards (NSPS).
Any new source subject to this subpart must achieve the following new source performance standards (NSPS):
(a) Rolling spent neat oils and graphite based lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions | Copper | 0.549 | 0.262 | Nickel | 0.236 | 0.159 | Fluoride | 25.5 | 11.3 | Molybdenum | 2.16 | 0.957 | Oil and grease | 4.29 | 4.29 | TSS | 6.44 | 5.15 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(c) Drawing spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(e) Extrusion press hydraulic fluid leakage.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals extruded | Copper | 1.53 | 0.726 | Nickel | 0.655 | 0.441 | Fluoride | 70.8 | 31.4 | Molybdenum | 5.99 | 2.66 | Oil and grease | 11.9 | 11.9 | TSS | 17.9 | 14.3 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(f) Forging spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(g) Forging contact cooling water.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of forged refractory metals cooled with water | Copper | 0.041 | 0.020 | Nickel | 0.018 | 0.012 | Fluoride | 1.92 | 0.853 | Molybdenum | 0.163 | 0.072 | Oil and grease | 0.323 | 0.323 | TSS | 0.485 | 0.388 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(h) Equipment cleaning wastewater.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.174 | 0.083 | Nickel | 0.075 | 0.051 | Fluoride | 8.09 | 3.59 | Molybdenum | 0.684 | 0.303 | Oil and grease | 1.36 | 1.36 | TSS | 2.04 | 1.63 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(i) Metal powder production wastewater.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals powder produced | Copper | 0.360 | 0.172 | Nickel | 0.155 | 0.104 | Fluoride | 16.7 | 7.42 | Molybdenum | 1.42 | 0.627 | Oil and grease | 2.81 | 2.81 | TSS | 4.22 | 3.37 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(j) Metal powder production floor wash wastewater—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(k) Metal powder pressing spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(l) Surface treatment spent baths.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 0.498 | 0.237 | Nickel | 0.214 | 0.144 | Fluoride | 23.2 | 10.3 | Molybdenum | 1.96 | 0.868 | Oil and grease | 3.89 | 3.89 | TSS | 5.84 | 4.67 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(m) Surface treatment rinse.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 15.5 | 7.38 | Nickel | 6.66 | 4.48 | Fluoride | 720 | 320 | Molybdenum | 69.9 | 27.0 | Oil and grease | 121 | 121 | TSS | 182 | 145 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(n) Alkaline cleaning spent baths.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 0.428 | 0.204 | Nickel | .184 | 0.124 | Fluoride | 19.9 | 8.82 | Molybdenum | 1.68 | 0.745 | Oil and grease | 3.34 | 3.34 | TSS | 5.01 | 4.01 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(o) Alkaline cleaning rinse.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 10.5 | 4.98 | Nickel | 4.49 | 3.02 | Fluoride | 486 | 216 | Molybdenum | 41.1 | 18.2 | Oil and grease | 81.6 | 81.6 | TSS | 123 | 97.9 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(p) Molten salt rinse.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals treated with molten salt | Copper | 0.810 | 0.386 | Nickel | 0.348 | 0.234 | Fluoride | 37.7 | 16.7 | Molybdenum | 3.19 | 1.41 | Oil and grease | 6.33 | 6.33 | TSS | 9.5 | 7.6 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(q) Tumbling or burnishing wastewater.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals tumbled or burnished | Copper | 1.60 | 0.763 | Nickel | 0.688 | 0.463 | Fluoride | 74.4 | 33.0 | Molybdenum | 6.29 | 2.79 | Oil and grease | 12.5 | 12.5 | TSS | 18.8 | 15.0 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(r) Sawing or grinding spent neat oils—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(s) Sawing or grinding spent emulsions.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with emulsions | Copper | 0.380 | 0.181 | Nickel | 0.164 | 0.110 | Fluoride | 17.7 | 7.84 | Molybdenum | 1.5 | 0.663 | Oil and grease | 2.97 | 2.97 | TSS | 4.46 | 3.57 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(t) Sawing or grinding contact cooling water.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with contact cooling water | Copper | 3.11 | 1.48 | Nickel | 1.34 | 0.899 | Fluoride | 145 | 64.2 | Molybdenum | 12.2 | 5.42 | Oil and grease | 24.3 | 24.3 | TSS | 36.5 | 29.2 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(u) Sawing or grinding rinse.
Subpart E—NSPS
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 refractory metals rinsed | Copper | 0.018 | 0.009 | Nickel | 0.008 | 0.005 | Fluoride | 0.803 | 0.357 | Molybdenum | 0.068 | 0.030 | Oil and grease | 0.135 | 0.135 | TSS | 0.203 | 0.162 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(v) Wet air pollution control scrubber blowdown.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed, ground, surface coated or surface treated | Copper | 1.01 | 0.480 | Nickel | 0.433 | 0.291 | Fluoride | 46.8 | 20.8 | Molybdenum | 3.96 | 1.76 | Oil and grease | 7.87 | 7.87 | TSS | 11.8 | 9.45 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(w) Miscellaneous wastewater sources.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.442 | 0.211 | Nickel | 0.190 | 0.128 | Fluoride | 20.6 | 9.11 | Molybdenum | 1.74 | 0.770 | Oil and grease | 3.45 | 3.45 | TSS | 5.18 | 4.14 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(x) Dye penetrant testing wastewater.
Subpart E—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals product tested | Copper | 0.100 | 0.048 | Nickel | 0.043 | 0.029 | Fluoride | 4.62 | 2.05 | Molybdenum | 0.391 | 0.173 | Oil and grease | 0.776 | 0.776 | TSS | 1.17 | 0.931 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(y) Degreasing spent solvents—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
§ 471.54 - Pretreatment standards for existing sources (PSES).
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 by August 23, 1988 achieve the following pretreatment standards for existing sources (PSES). The mass of wastewater pollutants in refractory metals forming process wastewater introduced into a POTW shall not exceed the following values:
(a) Rolling spent neat oils and graphite based lubricants—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions | Copper | 0.815 | 0.429 | Nickel | 0.824 | 0.545 | Fluoride | 25.5 | 11.4 | Molybdenum | 2.84 | 1.47 |
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(c) Drawing spent lubricants—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent lubricants—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
(e) Extrusion press hydraulic fluid leakage.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals extruded | Copper | 2.26 | 1.19 | Nickel | 2.29 | 1.51 | Fluoride | 70.8 | 31.4 | Molybdenum | 7.87 | 4.07 |
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(f) Forging spent lubricants—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
(g) Forging contact cooling water.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of forged refractory metals cooled with water | Copper | 0.062 | 0.033 | Nickel | 0.062 | 0.041 | Fluoride | 1.92 | 0.853 | Molybdenum | 0.214 | 0.111 |
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(h) Equipment cleaning wastewater.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.259 | 0.136 | Nickel | 0.261 | 0.173 | Fluoride | 8.09 | 3.59 | Molybdenum | 0.899 | 0.465 |
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(i) Metal powder production wastewater.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals powder produced | Copper | 0.534 | 0.281 | Nickel | 0.540 | 0.357 | Fluoride | 16.7 | 7.42 | Molybdenum | 1.86 | 0.961 |
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(j) Metal powder production floor wash wastewater—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
(k) Metal powder pressing spent lubricants—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
(l) Surface treatment spent baths.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 0.739 | 0.389 | Nickel | 0.747 | 0.494 | Fluoride | 23.2 | 10.3 | Molybdenum | 2.57 | 1.33 |
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(m) Surface treatment rinse.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 23.0 | 12.1 | Nickel | 23.3 | 15.4 | Fluoride | 720 | 320 | Molybdenum | 80.0 | 41.4 |
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(n) Alkaline cleaning spent baths.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 0.635 | 0.334 | Nickel | 0.642 | 0.424 | Fluoride | 19.9 | 8.82 | Molybdenum | 2.21 | 1.14 |
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(o) Alkaline cleaning rinse.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 15.5 | 8.16 | Nickel | 15.7 | 10.4 | Fluoride | 486. | 216.0 | Molybdenum | 54.0 | 27.9 |
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(p) Molten salt rinse.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals treated with molten salt | Copper | 1.20 | 0.633 | Nickel | 1.22 | 0.804 | Fluoride | 37.7 | 16.7 | Molybdenum | 4.19 | 2.17 |
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(q) Tumbling or burnishing wastewater.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals tumbled or burnished | Copper | 2.38 | 1.25 | Nickel | 2.40 | 1.59 | Fluoride | 74.4 | 33.0 | Molybdenum | 8.27 | 4.28 |
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(r) Sawing or grinding spent neat oils—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
(s) Sawing or grinding spent emulsions.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with emulsions | Copper | 0.565 | 0.297 | Nickel | 0.570 | 0.377 | Fluoride | 17.7 | 7.84 | Molybdenum | 1.97 | 1.02 |
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(t) Sawing or grinding contact cooling water.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with contact cooling water | Copper | 4.62 | 2.43 | Nickel | 4.67 | 3.09 | Fluoride | 145. | 64.2 | Molybdenum | 16.1 | 8.31 |
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(u) Sawing or grinding rinse.
Subpart E—PSES
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 refractory metals rinsed | Copper | 0.026 | 0.014 | Nickel | 0.026 | 0.017 | Fluoride | 0.804 | 0.357 | Molybdenum | 0.089 | 0.046 |
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(v) Wet air pollution control blowdown.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed, surface coated or surface treated | Copper | 1.50 | 0.787 | Nickel | 1.51 | 1.00 | Fluoride | 46.9 | 20.8 | Molybdenum | 5.20 | 2.69 |
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(w) Miscellaneous wastewater sources.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.656 | 0.345 | Nickel | 0.663 | 0.438 | Fluoride | 20.6 | 9.11 | Molybdenum | 2.28 | 1.18 |
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(x) Dye penetrant testing wastewater.
Subpart E—PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals product tested | Copper | 0.148 | 0.078 | Nickel | 0.149 | 0.099 | Fluoride | 4.62 | 2.05 | Molybdenum | 0.513 | 0.266 |
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(y) Degreasing spent solvents—subpart E—PSES. There shall be no discharge of process wastewater pollutants.
§ 471.55 - Pretreatment standards for new sources (PSNS).
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 (PSNS). The mass of wastewater pollutants in the refractory metals forming process wastewater shall not exceed the values set forth below:
(a) Rolling spent neat oils and graphite based lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions | Copper | 0.549 | 0.262 | Nickel | 0.236 | 0.159 | Fluoride | 25.5 | 11.3 | Molybdenum | 2.16 | 0.957 |
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(c) Drawing spent lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.
(e) Extrusion press hydraulic fluid leakage.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals extruded | Copper | 1.53 | 0.726 | Nickel | 0.655 | 0.441 | Fluoride | 70.8 | 31.4 | Molybdenum | 5.99 | 2.66 |
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(f) Forging spent lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.
(g) Forging contact cooling water.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of forged refractory metals cooled with water | Copper | 0.041 | 0.320 | Nickel | 0.018 | 0.021 | Fluoride | 1.92 | 0.853 | Molybdenum | 0.163 | 0.072 |
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(h) Equipment cleaning wastewater.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.174 | 0.083 | Nickel | 0.075 | 0.051 | Fluoride | 8.09 | 3.59 | Molybdenum | 0.684 | 0.303 |
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(i) Metal powder production wastewater.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals powder produced | Copper | 0.360 | 0.172 | Nickel | 0.155 | 0.104 | Fluoride | 16.7 | 7.42 | Molybdenum | 1.42 | 0.627 |
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(j) Metal powder production floor wash wastewater—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.
(k) Metal powder pressing spent lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.
(l) Surface treatment spent baths.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 0.498 | 0.237 | Nickel | 0.214 | 0.144 | Fluoride | 23.2 | 10.3 | Molybdenum | 1.96 | 0.868 |
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(m) Surface treatment rinse.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals surface treated | Copper | 15.5 | 7.38 | Nickel | 6.66 | 4.48 | Fluoride | 720 | 320 | Molybdenum | 60.9 | 27.0 |
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(n) Alkaline cleaning spent baths.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 0.428 | 0.204 | Nickel | 0.184 | 0.124 | Fluoride | 19.9 | 8.82 | Molybdenum | 1.68 | 0.745 |
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(o) Alkaline cleaning rinse.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned | Copper | 10.5 | 4.98 | Nickel | 4.49 | 3.02 | Fluoride | 48.6 | 216 | Molybdenum | 41.1 | 18.2 |
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(p) Molten salt rinse.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals treated with molten salt | Copper | 0.810 | 0.386 | Nickel | 0.348 | 0.234 | Fluoride | 37.7 | 16.7 | Molybdenum | 3.19 | 1.41 |
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(q) Tumbling or burnishing wastewater.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals tumbled or burnished | Copper | 1.60 | 0.763 | Nickel | 0.688 | 0.463 | Fluoride | 74.4 | 33.0 | Molybdenum | 6.29 | 2.79 |
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(r) Sawing or grinding spent neat oils—subpart E—PSNS. There shall be no discharge or process wastewater pollutants.
(s) Sawing or grinding spent emulsions.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with emulsions | Copper | 0.380 | 0.181 | Nickel | 0.164 | 0.110 | Fluoride | 17.7 | 7.84 | Molybdenum | 1.50 | 0.663 |
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(t) Sawing or grinding contact cooling water.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with contact cooling water | Copper | 3.11 | 1.48 | Nickel | 1.34 | 0.899 | Fluoride | 145 | 64.2 | Molybdenum | 12.2 | 5.42 |
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(u) Sawing or grinding rinse.
Subpart E—PSNS
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 refractory metals rinsed | Copper | 0.018 | 0.009 | Nickel | 0.008 | 0.005 | Fluoride | 0.803 | 0.357 | Molybdenum | 0.068 | 0.030 |
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(v) Wet air pollution control blowdown.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals sawed, ground, surface coated or surface treated | Copper | 1.01 | 0.480 | Nickel | 0.433 | 0.291 | Fluoride | 46.8 | 20.8 | Molybdenum | 3.96 | 1.76 |
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(w) Miscellaneous wastewater source.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals formed | Copper | 0.442 | 0.211 | Nickel | 0.192 | 0.128 | Fluoride | 20.6 | 9.11 | Molybdenum | 1.74 | 0.770 |
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(x) Dye penetrant testing wastewater.
Subpart E—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of refractory metals product tested | Copper | 0.100 | 0.048 | Nickel | 0.043 | 0.029 | Fluoride | 4.62 | 2.05 | Molybdenum | 0.391 | 0.173 |
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(y) Degreasing spend solvents—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.