467.13 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 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
Chromium
0.036
0.015
Cyanide
0.024
0.0098
Zinc
0.119
0.050
Aluminum
0.525
0.257
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
Chromium
0.025
0.010
Cyanide
0.016
0.0067
Zinc
0.081
0.034
Aluminum
0.356
0.174
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
Chromium
0.00086
0.00035
Cyanide
0.00057
0.00024
Zinc
0.00287
0.0012
Aluminum
0.0127
0.0062
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
Chromium
0.897
0.367
Cyanide
0.591
0.245
Zinc
2.974
1.243
Aluminum
13.10
6.518
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
Chromium
0.079
0.032
Cyanide
0.052
0.022
Zinc
0.262
0.109
Aluminum
1.151
0.573
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
Chromium
0.612
0.251
Cyanide
0.404
0.167
Zinc
2.031
0.849
Aluminum
8.944
4.45
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