40 CFR § 467.53 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 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
Chromium 0.022 0.009
Cyanide 0.015 0.006
Zinc 0.073 0.031
Aluminum 0.321 0.16
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
Chromium 0.00086 0.0004
Cyanide 0.0006 0.0002
Zinc 0.0029 0.0012
Aluminum 0.0127 0.0063
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
Chromium 0.086 0.035
Cyanide 0.056 0.024
Zinc 0.283 0.118
Aluminum 1.247 0.621
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
Chromium 0.896 0.367
Cyanide 0.591 0.245
Zinc 2.974 1.243
Aluminum 13.10 6.519
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
Chromium 0.079 0.032
Cyanide 0.052 0.022
Zinc 0.262 0.109
Aluminum 1.151 0.563
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
Chromium 0.612 0.251
Cyanide 0.404 0.167
Zinc 2.031 0.849
Aluminum 8.944 4.451
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
Chromium 0.851 0.348
Cyanide 0.561 0.232
Zinc 2.82 1.179
Aluminum 12.43 6.19
[48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, Mar. 27, 1984]

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