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Electronic Code of Federal Regulations

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter NPart 461Subpart G → §461.75


Title 40: Protection of Environment
PART 461—BATTERY MANUFACTURING POINT SOURCE CATEGORY
Subpart G—Zinc Subcategory


§461.75   Pretreatment standards for new sources (PSNS).

(a) Except as provided in §403.7 any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources listed below:

(1) Subpart G—Zinc Oxide Formed Anodes—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(2) Subpart G—Electrodeposited Anodes—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(3) Subpart G—Silver Powder Formed Cathodes—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(4) Subpart G—Silver Oxide Powder Formed Cathodes—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(5) Subpart G—Silver Peroxide Cathodes—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(6) Subpart G—Nickel Impregnated Cathodes—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(7) Subpart G—Miscellaneous Wastewater Streams—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(8) Subpart G—Silver Etch—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(9) Subpart G—Silver Peroxide Production—PSNS.

Pollutant or pollutant propertyMaximum for any 1 dayMaximum 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

(10) Subpart G—Silver Powder Production—PSNS.

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

(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.

[49 FR 9134, Mar. 9, 1984; 49 FR 13879, Apr. 9, 1984]

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