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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 471 - Nonferrous Metals Forming and Metal Powders Point Source Category |
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Subpart F - Titanium Forming Subcategory |
§ 471.61 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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§ 471.61 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 - subpart F - BPT. There shall be no discharge of process wastewater pollutants.
(b) Rolling contact cooling water.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium rolled with contact cooling water Cyanide 1.4 0.586 Lead 2.05 0.976 Zinc 7.13 2.98 Ammonia 651 286 Fluoride 291 129 Oil and grease 97.0 58.0 TSS 200.0 95.0 pH (1) (1) (c) Drawing spent neat oils - subpart F - BPT. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent neat oils - subpart F - BPT. There shall be no discharge of process wastewater pollutants.
(e) Extrusion spent emulsions.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium extruded Cyanide 0.021 0.009 Lead 0.030 0.015 Zinc 0.105 0.044 Ammonia 9.59 4.22 Fluoride 4.28 1.9 Oil and grease 1.44 0.863 TSS 2.95 1.4 pH (1) (1) (f) Extrusion press hydraulic fluid leakage.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium extruded Cyanide 0.052 0.022 Lead 0.075 0.036 Zinc 0.260 0.109 Ammonia 23.7 10.5 Fluoride 10.6 4.70 Oil and grease 3.56 2.14 TSS 7.30 3.47 pH (1) (1) (g) Forging spent lubricants - subpart F - BPT. There shall be no discharge of process wastewater pollutants.
(h) Forging contact cooling water.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of forged titanium cooled with water Cyanide 0.580 0.240 Lead 0.840 0.400 Zinc 2.92 1.22 Ammonia 267 117 Fluoride 119 52.8 Oil and grease 40.0 24.0 TSS 82.0 39.0 pH (1) (1) (i) Forging equipment cleaning wastewater.
Subpart F - 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 forged Cyanide 0.012 0.005 Lead 0.017 0.008 Zinc 0.059 0.025 Ammonia 5.33 2.35 Fluoride 2.38 1.06 Oil and grease 0.800 0.480 TSS 1.64 0.780 pH (1) (1) (j) Forging press hydraulic fluid leakage.
Subpart F - 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 forged Cyanide 0.293 0.121 Lead 0.424 0.202 Zinc 1.48 0.616 Ammonia 135 59.2 Fluoride 60.1 26.7 Oil and grease 20.2 12.1 TSS 41.4 19.7 pH (1) (1) (k) Tube reducing spent lubricants - subpart F - BPT. There shall be no discharge of process wastewater pollutants.
(l) Heat treatment contact cooling water - subpart F - BPT. There shall be no allowance for the discharge of process wastewater pollutants.
(m) Surface treatment spent baths.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium surface treated Cyanide 0.061 0.025 Lead 0.088 0.042 Zinc 0.304 0.127 Ammonia 27.7 12.2 Fluoride 12.4 5.49 Oil and grease 4.16 2.50 TSS 8.53 4.06 pH (1) (1) (n) Surface treatment rinse.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium surface treated Cyanide 8.47 3.51 Lead 12.3 5.84 Zinc 42.7 17.8 Ammonia 3,890 1,710 Fluoride 1,740 771 Oil and grease 584 351 TSS 1,200 570 pH (1) (1) (o) Wet air pollution control scrubber blowdown.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium surface treated or forged Cyanide 0.621 0.257 Lead 0.899 0.428 Zinc 3.13 1.31 Ammonia 285 126 Fluoride 128 56.5 Oil and grease 42.8 25.7 TSS 87.8 41.8 pH (1) (1) (p) Alkaline cleaning spent baths.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned Cyanide 0.070 0.029 Lead 0.101 0.048 Zinc 0.351 0.147 Ammonia 32.0 14.1 Fluoride 14.3 6.34 Oil and grease 4.80 2.88 TSS 9.84 4.68 pH (1) (1) (q) Alkaline cleaning rinse.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned Cyanide 0.801 0.331 Lead 1.16 0.552 Zinc 4.03 1.69 Ammonia 370 160 Fluoride 164 72.9 Oil and grease 55.2 33.1 TSS 113 53.8 pH (1) (1) (r) Molten salt rinse.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium treated with molten salt Cyanide 0.277 0.115 Lead 0.401 0.191 Zinc 1.40 0.583 Ammonia 128 56.0 Fluoride 56.8 25.2 Oil and grease 19.1 11.5 TSS 39.2 18.6 pH (1) (1) (s) Tumbling wastewater.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium tumbled Cyanide 0.229 0.095 Lead 0.332 0.158 Zinc 1.16 0.482 Ammonia 110 46 Fluoride 47.0 20.9 Oil and grease 15.8 9.48 TSS 32.4 15.4 pH (1) (1) (t) Sawing or grinding spent neat oils - subpart F - BPT. There shall be no discharge of process wastewater pollutants.
(u) Sawing or grinding of spent emulsions.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium sawed or ground with an emulsion Cyanide 0.053 0.022 Lead 0.077 0.037 Zinc 0.267 0.112 Ammonia 24.4 10.7 Fluoride 10.9 4.83 Oil and grease 3.66 2.20 TSS 7.51 3.57 pH (1) (1) (v) Sawing or grinding contact cooling water.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium sawed or ground with contact cooling water Cyanide 1.38 0.571 Lead 2.00 0.952 Zinc 6.95 2.91 Ammonia 635 279 Fluoride 283 126 Oil and grease 95.2 57.1 TSS 195 92.8 pH (1) (1) (w) Dye penetrant testing wastewater.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium tested with dye penetrant methods Cyanide 0.325 0.135 Lead 0.471 0.224 Zinc 1.64 0.683 Ammonia 149 65.7 Fluoride 66.7 29.6 Oil and grease 22.4 13.5 TSS 45.9 21.9 pH (1) (1) (x) Miscellaneous wastewater sources.
Subpart F - BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of titanium formed Cyanide 0.010 0.004 Lead 0.014 0.007 Zinc 0.048 0.020 Ammonia 4.32 1.90 Fluoride 1.93 0.856 Oil and grease 0.648 0.389 TSS 1.33 0.632 pH (1) (1) (y) Degreasing spent solvents - subpart F - BPT. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2887, Jan. 22, 1986]