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 Chromium4.551.97 Mercury2.821.19 Silver4.551.97 Zinc0.870.39 Manganese6.504.98 Oil and grease216.7216.7 TSS325.0260.0 pH( 1)( 1)

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 Chromium45.0919.54 Mercury27.9111.81 Silver45.0919.54 Zinc8.593.86 Manganese64.4149.38 Oil and grease2,147.002,147.00 TSS3,220.502,576.40 pH( 1)( 1)

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 Chromium6.242.70 Mercury3.861.63 Silver6.242.70 Zinc1.190.53 Manganese8.916.83 Oil and grease297.00297.00 TSS445.5 356.40 pH( 1)( 1)

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 Chromium4.171.81 Mercury2.581.09 Silver4.171.81 Zinc0.790.36 Manganese5.964.57 Oil and grease198.5198.5 TSS297.8238.2 pH( 1)( 1)

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 Chromium1.000.43 Mercury0.620.26 Silver1.000.43 Zinc0.190.09 Manganese1.431.09 Oil and grease47.647.6 TSS71.457.1 pH( 1)( 1)

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 Chromium42.018.2 Mercury26.011.0 Nickel42.018.2 Silver42.018.2 Zinc8.03.6 Manganese60.046.0 Oil and grease2,000.02,000.0 TSS3,000.02,400.00 pH( 1)( 1)

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 Chromium0.270.12 Cyanide0.0390.016 Mercury0.170.07 Nickel0.270.12 Silver0.270.12 Zinc0.050.02 Manganese0.390.30 Oil and grease12.9012.90 TSS19.3515.48 pH( 1)( 1)

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 Chromium1.560.68 Mercury0.970.41 Silver1.560.68 Zinc0.300.13 Manganese2.231.71 Oil and grease74.4074.40 TSS111.6089.28 pH( 1)( 1)

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 Chromium1.660.72 Mercury1.030.44 Silver1.660.72 Zinc0.320.14 Manganese2.371.82 Oil and grease79.1079.10 TSS118.6594.92 pH( 1)( 1)

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 Chromium0.670.29 Mercury0.420.18 Silver0.670.29 Zinc0.130.06 Manganese0.960.74 Oil and grease32.1032.10 TSS48.1538.52 pH( 1)( 1)

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.