Collapse to view only § 471.84 - Pretreatment standards for existing sources (PSES). [Reserved]
- § 471.80 - Applicability; description of the zinc forming subcategory.
- § 471.81 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
- § 471.82 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
- § 471.83 - New source performance standards (NSPS).
- § 471.84 - Pretreatment standards for existing sources (PSES). [Reserved]
- § 471.85 - Pretreatment standards for new sources (PSNS).
- § 471.86 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]
§ 471.80 - Applicability; description of the zinc 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 zinc forming subcategory.
§ 471.81 - 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 H—BPT. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions | Chromium | 0.0006 | 0.0003 | Copper | 0.003 | 0.002 | Cyanide | 0.0004 | 0.0002 | Zinc | 0.002 | 0.0009 | Oil and grease | 0.028 | 0.017 | TSS | 0.057 | 0.027 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(c) Rolling contact cooling water.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water | Chromium | 0.236 | 0.0097 | Copper | 1.02 | 0.536 | Cyanide | 0.156 | 0.065 | Zinc | 0.783 | 0.327 | Oil and grease | 10.7 | 6.43 | TSS | 22.0 | 10.5 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(d) Drawing spent emulsions.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions | Chromium | 0.003 | 0.001 | Copper | 0.011 | 0.006 | Cyanide | 0.002 | 0.0007 | Zinc | 0.009 | 0.004 | Oil and grease | 0.116 | 0.070 | TSS | 0.238 | 0.113 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(e) Direct chill casting contact cooling water.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method | Chromium | 0.222 | 0.091 | Copper | 0.960 | 0.505 | Cyanide | 0.147 | 0.061 | Zinc | 0.738 | 0.308 | Oil and grease | 10.1 | 6.06 | TSS | 20.7 | 9.85 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(f) Stationary casting contact cooling water—subpart H—BPT. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc heat treated | Chromium | 0.336 | 0.138 | Copper | 1.45 | 0.763 | Cyanide | 0.221 | 0.092 | Zinc | 1.12 | 0.466 | Oil and grease | 15.3 | 9.16 | TSS | 31.3 | 14.9 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(h) Surface treatment spent baths.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 0.039 | 0.016 | Copper | 0.169 | 0.089 | Cyanide | 0.026 | 0.011 | Zinc | 0.130 | 0.054 | Oil and grease | 1.78 | 1.07 | TSS | 3.64 | 1.73 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(i) Surface treatment rinse.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 1.58 | 0.645 | Copper | 6.80 | 3.58 | Cyanide | 1.04 | 0.430 | Zinc | 5.23 | 2.19 | Oil and grease | 71.6 | 43.0 | TSS | 147 | 69.8 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(j) Alkaline cleaning spent baths.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.002 | 0.0007 | Copper | 0.007 | 0.004 | Cyanide | 0.001 | 0.0004 | Zinc | 0.005 | 0.002 | Oil and grease | 0.071 | 0.043 | TSS | 0.146 | 0.069 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(k) Alkaline cleaning rinse.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.744 | 0.304 | Copper | 3.21 | 1.69 | Cyanide | 0.490 | 0.203 | Zinc | 2.47 | 1.03 | Oil and grease | 33.8 | 20.3 | TSS | 69.3 | 33.0 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(l) Sawing or grinding spent emulsions.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions | Chromium | 0.011 | 0.005 | Copper | 0.045 | 0.024 | Cyanide | 0.007 | 0.003 | Zinc | 0.035 | 0.015 | Oil and grease | 0.476 | 0.286 | TSS | 0.976 | 0.464 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(m) Electrocoating rinse.
Subpart H—BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc electrocoated | Chromium | 1.01 | 0.412 | Copper | 4.35 | 2.29 | Cyanide | 0.664 | 0.275 | Zinc | 3.35 | 1.40 | Oil and grease | 45.8 | 27.5 | TSS | 93.9 | 44.7 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(n) Degreasing spent solvents—subpart H—BPT. There shall be no discharge of process wastewater pollutants.
§ 471.82 - 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—subpart H—BAT. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions | Chromium | 0.0005 | 0.0002 | Copper | 0.002 | 0.0009 | Cyanide | 0.0003 | 0.0001 | Zinc | 0.002 | 0.0006 |
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(c) Rolling contact cooling water.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water | Chromium | 0.020 | 0.009 | Copper | 0.069 | 0.033 | Cyanide | 0.011 | 0.004 | Zinc | 0.055 | 0.023 |
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(d) Drawing spent emulsions.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions | Chromium | 0.002 | 0.0009 | Copper | 0.008 | 0.004 | Cyanide | 0.001 | 0.0005 | Zinc | 0.006 | 0.003 |
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(e) Direct chill casting contact cooling water.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method | Chromium | 0.019 | 0.008 | Copper | 0.065 | 0.031 | Cyanide | 0.010 | 0.004 | Zinc | 0.052 | 0.021 |
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(f) Stationary casting contact cooling water—subpart H—BAT. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc heat treated | Chromium | 0.029 | 0.012 | Copper | 0.098 | 0.047 | Cyanide | 0.016 | 0.006 | Zinc | 0.078 | 0.032 |
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(h) Surface treatment spent baths.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 0.033 | 0.014 | Copper | 0.114 | 0.054 | Cyanide | 0.018 | 0.007 | Zinc | 0.091 | 0.038 |
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(i) Surface treatment rinse.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 0.133 | 0.054 | Copper | 0.457 | 0.219 | Cyanide | 0.072 | 0.029 | Zinc | 0.365 | 0.151 |
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(j) Alkaline cleaning spent baths.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.002 | 0.0006 | Copper | 0.005 | 0.002 | Cyanide | 0.0007 | 0.0003 | Zinc | 0.004 | 0.002 |
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(k) Alkaline cleaning rinse.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.626 | 0.254 | Copper | 2.17 | 1.03 | Cyanide | 0.338 | 0.135 | Zinc | 1.73 | 0.710 |
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(l) Sawing or grinding spent emulsions.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions | Chromium | 0.009 | 0.004 | Copper | 0.031 | 0.015 | Cyanide | 0.005 | 0.002 | Zinc | 0.025 | 0.010 |
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(m) Electrocoating rinse.
Subpart H—BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc electrocoated | Chromium | 0.085 | 0.035 | Copper | 0.293 | 0.140 | Cyanide | 0.046 | 0.019 | Zinc | 0.234 | 0.096 |
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(n) Degreasing spent solvents—subpart H—BAT. There shall be no discharge or process wastewater pollutants.
§ 471.83 - 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—subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions | Chromium | 0.0005 | 0.0002 | Copper | 0.002 | 0.0009 | Cyanide | 0.0003 | 0.0001 | Zinc | 0.002 | 0.0006 | Oil and grease | 0.014 | 0.014 | TSS | 0.021 | 0.017 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(c) Rolling contact cooling water.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water | Chromium | 0.020 | 0.009 | Copper | 0.069 | 0.037 | Cyanide | 0.011 | 0.004 | Zinc | 0.055 | 0.023 | Oil and grease | 0.536 | 0.536 | TSS | 0.804 | 0.643 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(d) Drawing spent emulsions.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions | Chromium | 0.002 | 0.0009 | Copper | 0.008 | 0.004 | Cyanide | 0.001 | 0.0005 | Zinc | 0.006 | 0.003 | Oil and grease | 0.058 | 0.058 | TSS | 0.087 | 0.070 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times
(e) Direct chill casting contact cooling water.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any one day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method | Chromium | 0.019 | 0.008 | Copper | 0.065 | 0.031 | Cyanide | 0.010 | 0.004 | Zinc | 0.052 | 0.021 | Oil and grease | 0.505 | 0.505 | TSS | 0.758 | 0.606 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(f) Stationary casting contact cooling water—subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc heat treated | Chromium | 0.029 | 0.012 | Copper | 0.098 | 0.047 | Cyanide | 0.016 | 0.006 | Zinc | 0.078 | 0.032 | Oil and grease | 0.763 | 0.763 | TSS | 1.15 | 0.916 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(h) Surface treatment spent baths.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 0.033 | 0.014 | Copper | 0.114 | 0.054 | Cyanide | 0.018 | 0.007 | Zinc | 0.091 | 0.038 | Oil and grease | 0.887 | 0.887 | TSS | 1.33 | 1.07 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(i) Surface treatment rinse.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 0.133 | 0.054 | Copper | 0.459 | 0.219 | Cyanide | 0.072 | 0.029 | Zinc | 0.365 | 0.151 | Oil and grease | 3.58 | 3.58 | TSS | 5.37 | 4.30 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(j) Alkaline cleaning spent baths.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.002 | 0.0006 | Copper | 0.005 | 0.002 | Cyanide | 0.0007 | 0.0003 | Zinc | 0.004 | 0.002 | Oil and grease | 0.036 | 0.036 | TSS | 0.054 | 0.043 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(k) Alkaline cleaning rinse.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.626 | 0.259 | Copper | 2.17 | 1.03 | Cyanide | 0.338 | 0.135 | Zinc | 1.73 | 0.710 | Oil and grease | 16.9 | 16.9 | TSS | 25.4 | 20.3 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(l) Sawing or grinding spent emulsions.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions | Chromium | 0.009 | 0.004 | Copper | 0.031 | 0.015 | Cyanide | 0.005 | 0.002 | Zinc | 0.025 | 0.010 | Oil and grease | 0.235 | 0.235 | TSS | 0.357 | 0.286 | pH | ( 1) | ( 1) |
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1Within the range of 7.5 to 10.0 at all times.
(m) Electrocoating rinse.
Subpart H—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc electrocoated | Chromium | 0.085 | 0.035 | Copper | 0.293 | 0.140 | Cyanide | 0.046 | 0.019 | Zinc | 0.234 | 0.096 | Oil and grease | 2.29 | 2.29 | TSS | 3.44 | 2.75 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times
(n) Degreasing spent solvents—subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
§ 471.84 - Pretreatment standards for existing sources (PSES). [Reserved]
§ 471.85 - 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 the wastewater introduced into a POTW shall not exceed the following values:
(a) Rolling spent neat oils—subpart H—PSNS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions | Chromium | 0.0005 | 0.0002 | Copper | 0.002 | 0.0009 | Cyanide | 0.0003 | 0.0001 | Zinc | 0.002 | 0.0006 |
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(c) Rolling contact cooling water.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water | Chromium | 0.020 | 0.008 | Copper | 0.069 | 0.033 | Cyanide | 0.011 | 0.004 | Zinc | 0.055 | 0.023 |
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(d) Drawing spent emulsions.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions | Chromium | 0.002 | 0.0009 | Copper | 0.008 | 0.004 | Cyanide | 0.001 | 0.0005 | Zinc | 0.006 | 0.003 |
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(e) Direct chill casting contact cooling water.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method | Chromium | 0.019 | 0.008 | Copper | 0.065 | 0.031 | Cyanide | 0.010 | 0.004 | Zinc | 0.052 | 0.021 |
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(f) Stationary casting contact cooling water—subpart H—PSNS. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc heat treated | Chromium | 0.029 | 0.012 | Copper | 0.098 | 0.047 | Cyanide | 0.016 | 0.006 | Zinc | 0.078 | 0.032 |
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(h) Surface treatment spent baths.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 0.033 | 0.014 | Copper | 0.114 | 0.054 | Cyanide | 0.018 | 0.007 | Zinc | 0.091 | 0.038 |
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(i) Surface treatment rinse.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc surface treated | Chromium | 0.133 | 0.054 | Copper | 0.459 | 0.219 | Cyanide | 0.072 | 0.029 | Zinc | 0.365 | 0.151 |
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(j) Alkaline cleaning spent baths.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.002 | 0.0006 | Copper | 0.005 | 0.002 | Cyanide | 0.0007 | 0.0003 | Zinc | 0.004 | 0.002 |
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(k) Alkaline cleaning rinse.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | Chromium | 0.626 | 0.254 | Copper | 2.17 | 1.03 | Cyanide | 0.338 | 0.134 | Zinc | 1.73 | 0.710 |
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(l) Sawing or grinding spent emulsions.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions | Chromium | 0.009 | 0.004 | Copper | 0.031 | 0.015 | Cyanide | 0.005 | 0.002 | Zinc | 0.025 | 0.010 |
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(m) Electrocoating rinse.
Subpart H—PSNS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/off-kg (pounds per million off-pounds) of zinc electrocoated | Chromium | 0.085 | 0.035 | Copper | 0.293 | 0.140 | Cyanide | 0.046 | 0.019 | Zinc | 0.234 | 0.096 |
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(n) Decreasing spent solvents—subpart H—PSNS. There shall be no discharge of process wastewater pollutants.