Regulations last checked for updates: Oct 18, 2024

Title 40 - Protection of Environment last revised: Oct 16, 2024
§ 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 property BAT 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 property BAT 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 property BAT 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 property BAT 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 property BAT 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 property BAT 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 property BAT 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
[48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984]
source: 48 FR 49149, Oct. 24, 1983, unless otherwise noted.
cite as: 40 CFR 467.13