U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 04, 2022

§ 461.32 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

(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 available technology economically achievable:

(1) Subpart C - Open Formation - Dehydrated.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper3.191.68
Lead0.710.34
Iron2.021.02

(2) Subpart C - Open Formation - Wet.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.1000.053
Lead0.0220.010
Iron0.060.03

(3) Subpart C - Plate Soak.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.0390.021
Lead0.0080.004
Iron0.0300.010

(4) Subpart C - Battery Wash (Detergent).

BAT Effluent Limitations

Pollutant or Pollutant Property Maximum for any 1 Day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper1.710.90
Lead0.380.18
Iron1.080.55

(5) Subpart C - Direct Chill Lead Casting.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.00040.0002
Lead0.000080.00004
Iron0.00020.0001

(6) Subpart C - Mold Release Formulation.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.0110.006
Lead0.0020.001
Iron0.0070.003

(7) Subpart C - Truck Wash.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead in trucked batteries
English units - pounds per 1,000,000 pounds of lead in trucked batteries
Copper0.0260.014
Lead0.0050.002
Iron0.0160.008

(8) Subpart C - Laundry.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.210.11
Lead0.050.02
Iron0.130.07

(9) Subpart C - Miscellaneous Wastewater Streams.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.580.31
Lead0.130.06
Iron0.370.19

(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, as amended at 51 FR 30816, Aug. 28, 1986]