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 Chromium 0.205 0.084 Cyanide 0.135 0.056 Zinc 0.681 0.285 Aluminum 3.00 1.49 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 Chromium 0.0009 0.0004 Cyanide 0.0006 0.0003 Zinc 0.0029 0.0012 Aluminum 0.013 0.0063 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 Chromium 0.086 0.035 Cyanide 0.056 0.024 Zinc 0.283 0.118 Aluminum 1.25 0.62 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 Chromium 0.897 0.37 Cyanide 0.591 0.25 Zinc 2.98 1.24 Aluminum 13.10 6.52 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 Chromium 0.079 0.032 Cyanide 0.052 0.022 Zinc 0.262 0.11 Aluminum 1.15 0.57 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 Chromium 0.612 0.251 Cyanide 0.404 0.167 Zinc 2.03 0.849 Aluminum 8.95 4.45 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 Chromium 0.85 0.348 Cyanide 0.561 0.232 Zinc 2.82 1.18 Aluminum 12.43 6.19 [48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, 11636, Mar. 27, 1984]