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