40 CFR 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

Copper 3.19 1.68

Lead 0.71 0.34

Iron 2.02 1.02

(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

Copper 0.100 0.053

Lead 0.022 0.010

Iron 0.06 0.03

(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

Copper 0.039 0.021

Lead 0.008 0.004

Iron 0.030 0.010

(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

Copper 1.71 0.90

Lead 0.38 0.18

Iron 1.08 0.55

(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

Copper 0.0004 0.0002

Lead 0.00008 0.00004

Iron 0.0002 0.0001

(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

Copper 0.011 0.006

Lead 0.002 0.001

Iron 0.007 0.003

(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

Copper 0.026 0.014

Lead 0.005 0.002

Iron 0.016 0.008

(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

Copper 0.21 0.11

Lead 0.05 0.02

Iron 0.13 0.07

(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

Copper 0.58 0.31

Lead 0.13 0.06

Iron 0.37 0.19

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