U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 04, 2022

§ 467.63 - Effluent limitations representing the degree of effluent reduction attainable by the application of 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 discharge of wastewater pollutants from the core shall not exceed the volumes set forth below:

Subpart F Core
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 drawn with emulsions or soaps
Chromium0.2050.084
Cyanide0.1350.056
Zinc0.6810.285
Aluminum3.001.49
Subpart F Continuous Rod 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 rod cast
Chromium0.00090.0004
Cyanide0.00060.0003
Zinc0.00290.0012
Aluminum0.0130.0063
Subpart F Continuous Rod Casting 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 rod cast
Chromium0.0860.035
Cyanide0.0560.024
Zinc0.2830.118
Aluminum1.250.62
Subpart F 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
Chromium0.8970.37
Cyanide0.5910.25
Zinc2.981.24
Aluminum13.106.52
Subpart F 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
Zinc0.2620.11
Aluminum1.150.57
Subpart F 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
Zinc2.030.849
Aluminum8.954.45
Subpart F 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
Chromium0.850.348
Cyanide0.5610.232
Zinc2.821.18
Aluminum12.436.19
[48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, 11636, Mar. 27, 1984]