40 C.F.R. § 467.13

Current through September 30, 2024
Section 467.13 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

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. The mass of pollutants in the core and ancillary operations' process wastewater shall not exceed the following values:

Subpart A

Core With an Annealing Furnace Scrubber

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0360.015
Cyanide0.0240.0098
Zinc0.1190.050
Aluminum0.5250.257

Subpart A

Core Without an Annealing Furnace Scrubber

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0250.010
Cyanide0.0160.0067
Zinc0.0810.034
Aluminum0.3560.174

Subpart A

Continuous Sheet Casting Spent Lubricant

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum sheet cast
Chromium0.000860.00035
Cyanide0.000570.00024
Zinc0.002870.0012
Aluminum0.01270.0062

Subpart A

Solution Heat Treatment Contact Cooling Water

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium0.8970.367
Cyanide0.5910.245
Zinc2.9741.243
Aluminum13.106.518

Subpart A

Cleaning or Etching Bath

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium0.0790.032
Cyanide0.0520.022
Zinc0.2620.109
Aluminum1.1510.573

Subpart A

Cleaning or Etching Rinse

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium0.6120.251
Cyanide0.4040.167
Zinc2.0310.849
Aluminum8.9444.45

Subpart A

Cleaning or Etching Scrubber Liquor

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium0.8510.348
Cyanide0.5610.232
Zinc2.8221.179
Aluminum12.436.186

40 C.F.R. §467.13

48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984