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Electronic Code of Federal Regulations

e-CFR data is current as of December 4, 2019

Title 40Chapter ISubchapter NPart 461Subpart A → §461.11


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


§461.11   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

(a) 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 practicable control technology currently available:

(1) Subpart A—Pasted and Pressed Powder Anodes.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
  Metric units—mg/kg of cadmium
  English units—pounds per 1,000,000 pounds of cadmium
Cadmium0.920.41
Nickel5.183.43
Zinc3.941.65
Cobalt0.570.24
Oil and grease54.0032.40
TSS111.0052.65
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(2) Subpart A—Electrodeposited Anodes.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
  Metric units—mg/kg of cadmium
  English units—pounds per 1,000,000 pounds of cadmium
Cadmium237.0104.6
Nickel1,338.2885.2
Zinc1,017.6425.2
Cobalt146.462.7
Oil and grease13,940.08,364.0
TSS28,577.013,592.0
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(3) Subpart A—Impregnated Anodes.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
  Metric units—mg/kg of cadmium
  English units—pounds per 1,000,000 pounds of cadmium
Cadmium339.3149.7
Nickel1,916.21,267.5
Zinc1,457.1608.8
Cobalt209.689.8
Oil and grease19,960.011,976.0
TSS40,918.019,461.0
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(4) Subpart A—Nickel Electrodeposited Cathodes.

BPT Effluent Limitations

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
Cadmium193.585.4
Nickel1,092.5722.6
Zinc830.7347.1
Cobalt119.551.2
Oil and grease11,380.06,828.0
TSS23,329.011,095.5
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(5) Subpart A—Nickel Impregnated Cathodes.

BPT Effluent Limitations

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
Cadmium557.6246.0
Nickel3,148.82,082.8
Zinc2,394.41,000.4
Cobalt344.4147.6
Oil and grease32,800.019,680.0
TSS67,240.031,980.0
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(6) Subpart A—Miscellaneous Wastewater Streams.

BPT Effluent Limitations

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
Cadmium6.292.77
Nickel35.5423.50
Zinc27.0211.29
Cobalt3.891.66
Oil and grease370.20222.12
TSS758.91360.94
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(7) Subpart A—Cadmium Powder Production.

BPT Effluent Limitations

Pollutant or pollutant propertyMaximum for any 1 dayMaximum for monthly average
  Metric units—mg/kg of cadmium powder produced
  English units—pounds per 1,000,000 pounds of cadmium powder produced
Cadmium22.349.86
Nickel126.1483.44
Zinc95.9240.08
Cobalt13.805.91
Oil and grease1,314.00788.40
TSS2,693.001,281.20
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(8) Subpart A—Silver Powder Production.

BPT Effluent Limitations

Pollutant or pollutant propertyMaximum for any 1 dayMaximum for monthly average
  Metric units—mg/kg of silver powder produced
  English units—pounds per 1,000,000 pounds of silver powder produced
Cadmium7.213.18
Nickel40.7026.92
Silver8.693.61
Zinc30.9512.93
Cobalt4.451.91
Oil and grease424.00254.40
TSS869.20413.40
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(9) Subpart A—Cadmium Hydroxide Production.

BPT Effluent Limitations

Pollutant or pollutant propertyMaximum for any 1 dayMaximum for monthly average
  Metric units—mg/kg of cadmium used
  English units—pounds per 1,000,000 pounds of cadmium used
Cadmium0.310.14
Nickel1.731.14
Zinc1.310.55
Cobalt0.190.08
Oil and grease18.0010.80
TSS36.9017.60
pH(1)(1)

1Within the range of 7.5 to 10.0 at all times.

(10) Subpart A—Nickel Hydroxide Production.

BPT Effluent Limitations

Pollutant or pollutant propertyMaximum for any 1 dayMaximum for monthly average
  Metric units—mg/kg of nickel used
  English units—pounds per 1,000,000 pounds of nickel used
Cadmium37.416.5
Nickel211.2139.7
Zinc160.667.1
Cobalt23.19.9
Oil and grease2,200.01,320.0
TSS4,510.02,145.0
pH(1)(1)

1Within the range of 7.5 to 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.

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