View all text of Subpart E [§ 467.50 - § 467.57]

§ 467.53 - 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 discharge of wastewater pollutants from the core and ancillary operations shall not exceed the values set forth below:

Subpart E 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 neat oils Chromium0.0220.009 Cyanide0.0150.006 Zinc0.0730.031 Aluminum0.3210.16
Subpart E 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 Chromium0.000860.0004 Cyanide0.00060.0002 Zinc0.00290.0012 Aluminum0.01270.0063
Subpart E 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 Aluminum1.2470.621
Subpart E 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 Chromium0.8960.367 Cyanide0.5910.245 Zinc2.9741.243 Aluminum13.106.519
Subpart E 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 Aluminum1.1510.563
Subpart E 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 Aluminum8.9444.451
Subpart E 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 Zinc2.821.179 Aluminum12.436.19
[48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, Mar. 27, 1984]