View all text of Subpart G [§ 461.70 - § 461.75]
§ 461.73 - New source performance standards. (NSPS).
(a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below:
(1) Subpart G—Zinc Oxide Formed Anodes—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of zinc | English units—pounds per 1,000,000 pounds of zinc | Chromium | 4.55 | 1.97 | Mercury | 2.82 | 1.19 | Silver | 4.55 | 1.97 | Zinc | 0.87 | 0.39 | Manganese | 6.50 | 4.98 | Oil and grease | 216.7 | 216.7 | TSS | 325.0 | 260.0 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(2) Subpart G—Electrodeposited Anodes—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of zinc deposited | English units—pounds per 1,000,000 pounds of zinc deposited | Chromium | 45.09 | 19.54 | Mercury | 27.91 | 11.81 | Silver | 45.09 | 19.54 | Zinc | 8.59 | 3.86 | Manganese | 64.41 | 49.38 | Oil and grease | 2,147.00 | 2,147.00 | TSS | 3,220.50 | 2,576.40 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(3) Subpart G—Silver Powder Formed Cathodes—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of silver applied | English units—pounds per 1,000,000 pounds of silver applied | Chromium | 6.24 | 2.70 | Mercury | 3.86 | 1.63 | Silver | 6.24 | 2.70 | Zinc | 1.19 | 0.53 | Manganese | 8.91 | 6.83 | Oil and grease | 297.00 | 297.00 | TSS | 445.5 | 356.40 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(4) Subpart G—Silver Oxide Powder Formed Cathodes—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of silver applied | English units—pounds per 1,000,000 pounds of silver applied | Chromium | 4.17 | 1.81 | Mercury | 2.58 | 1.09 | Silver | 4.17 | 1.81 | Zinc | 0.79 | 0.36 | Manganese | 5.96 | 4.57 | Oil and grease | 198.5 | 198.5 | TSS | 297.8 | 238.2 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(5) Subpart G—Silver Peroxide Cathodes—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of silver applied | English units—pounds per 1,000,000 pounds of silver applied | Chromium | 1.00 | 0.43 | Mercury | 0.62 | 0.26 | Silver | 1.00 | 0.43 | Zinc | 0.19 | 0.09 | Manganese | 1.43 | 1.09 | Oil and grease | 47.6 | 47.6 | TSS | 71.4 | 57.1 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(6) Subpart G—Nickel Impregnated Cathodes—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of nickel applied | English units—pounds per 1,000,000 pounds of nickel applied | Chromium | 42.0 | 18.2 | Mercury | 26.0 | 11.0 | Nickel | 42.0 | 18.2 | Silver | 42.0 | 18.2 | Zinc | 8.0 | 3.6 | Manganese | 60.0 | 46.0 | Oil and grease | 2,000.0 | 2,000.0 | TSS | 3,000.0 | 2,400.00 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(7) Subpart G—Miscellaneous Wastewater Streams—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of cells produced | English units—pounds per 1,000,000 pounds of cells produced | Chromium | 0.27 | 0.12 | Cyanide | 0.039 | 0.016 | Mercury | 0.17 | 0.07 | Nickel | 0.27 | 0.12 | Silver | 0.27 | 0.12 | Zinc | 0.05 | 0.02 | Manganese | 0.39 | 0.30 | Oil and grease | 12.90 | 12.90 | TSS | 19.35 | 15.48 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(8) Subpart G—Silver Etch—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of silver processed | English units—pounds per 1,000,000 pounds of silver processed | Chromium | 1.56 | 0.68 | Mercury | 0.97 | 0.41 | Silver | 1.56 | 0.68 | Zinc | 0.30 | 0.13 | Manganese | 2.23 | 1.71 | Oil and grease | 74.40 | 74.40 | TSS | 111.60 | 89.28 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(9) Subpart G—Silver Peroxide Production—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of silver peroxide produced | English units—pounds per 1,000,000 pounds of silver peroxide produced | Chromium | 1.66 | 0.72 | Mercury | 1.03 | 0.44 | Silver | 1.66 | 0.72 | Zinc | 0.32 | 0.14 | Manganese | 2.37 | 1.82 | Oil and grease | 79.10 | 79.10 | TSS | 118.65 | 94.92 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(10) Subpart G—Silver Powder Production—NSPS.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | Metric units—mg/kg of silver powder produced | English units—pounds per 1,000,000 pounds of silver powder produced | Chromium | 0.67 | 0.29 | Mercury | 0.42 | 0.18 | Silver | 0.67 | 0.29 | Zinc | 0.13 | 0.06 | Manganese | 0.96 | 0.74 | Oil and grease | 32.10 | 32.10 | TSS | 48.15 | 38.52 | pH | ( 1) | ( 1) |
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1 Within the limits of 7.5-10.0 at all times.
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.