Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Aluminum Forming Point Source Category
  7. Drawing With Emulsions or Soaps Subcategory
  8. Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available.

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§ 467.62 Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available.

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 practicable control technology currently available:

Subpart F

Core

Expand Table
Pollutant or pollutant property BPT 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 0.680 0.285
Aluminum 3.00 1.50
Oil and grease 9.33 5.60
Suspended solids 19.12 9.10
pH (1) (1)

1Within the range of 7.0 to 10 at all times.

Subpart F

Continuous Rod Casting Spent Lubricant

Expand Table
Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium 0.0009 0.0004
Cyanide 0.0006 0.0003
Zinc 0.0029 0.001
Aluminum 0.013 0.007
Oil and grease 0.040 0.024
Suspended solids 0.081 0.039
pH (1) (1)

1Within the range of 7.0 to 10 at all times.

Subpart F

Continuous Rod Casting Contact Cooling Water

Expand Table
Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium 0.684 0.28
Cyanide 0.450 0.187
Zinc 2.27 0.949
Aluminum 10.00 4.976
Oil and grease 31.10 18.66
Suspended solids 63.76 30.323
pH (1) (1)

1Within the range of 7.0 to 10 at all times.

Subpart F

Solution Heat Treatment Contact Cooling Water

Expand Table
Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium 3.39 1.39
Cyanide 2.24 0.93
Zinc 11.25 4.70
Aluminum 49.55 24.66
Oil and grease 154.10 92.46
Suspended solids 315.91 150.25
pH (1) (1)

1 Within the range of 7.0 to 10 at all times.

Subpart F

Cleaning or Etching Bath

Expand Table
Pollutant or pollutant property BPT 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 1.15 0.573
Oil and grease 3.58 2.15
Suspended solids 7.34 3.49
pH (1) (1)

1 Within the range of 7.0 to 10 at all times.

Subpart F

Cleaning or Etching Rinse

Expand Table
Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 6.12 2.51
Cyanide 4.04 1.67
Zinc 20.31 8.49
Aluminum 89.46 44.519
Oil and grease 278.24 166.95
Suspended solids 570.39 271.29
pH (1) (1)

1 Within the range of 7.0 to 10 at all times.

Subpart F

Cleaning or Etching Scrubber Liquor

Expand Table
Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 7.00 2.86
Cyanide 4.61 1.91
Zinc 23.22 9.70
Aluminum 102.24 50.88
Oil and grease 318.00 190.80
Suspended solids 651.90 310.05
pH (1) (1)

1 Within the range of 7.0 to 10 at all times.

[48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, Mar. 27, 1984]


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