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Electronic Code of Federal Regulations

e-CFR data is current as of December 10, 2019

Title 40Chapter ISubchapter NPart 461Subpart F → §461.63


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


§461.63   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 F—Silver Chloride Cathodes—Chemically Reduced—NSPS.

Pollutant or pollutant propertyMaximum 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
Lead22.9310.65
Silver23.759.83
Iron98.2849.96
TSS1,228.5982.8
COD4,095.01,999.0
pH(1)(1)

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

(2) Subpart F—Silver Chloride Cathodes—Electrolytic—NSPS.

Pollutant or pollutant propertyMaximum 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
Lead40.618.9
Silver42.117.4
Iron174.088.5
TSS2,175.01,740.0
COD7,250.03,540.0
pH(1)(1)

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

(3) Subpart F—Cell Testing—NSPS.

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
Lead19.57.89
Silver15.36.31
Iron63.132.1
TSS789.0631.2
COD2,630.01,290.0
pH(1)(1)

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

(4) Subpart F—Floor and Equipment Wash—NSPS.

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
Lead0.0260.012
Silver0.0270.011
Iron0.1120.057
COD4.702.30
TSS1.411.13
pH(1)(1)

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

(5) Subpart F—Air Scrubber—NSPS.

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
TSS8,467.04,030.0
pH(1)(1)

1Within the range 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.

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

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