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 Code of Federal Regulations (Last Updated: July 5, 2024)
 Title 40 - Protection of Environment
 Chapter I - Environmental Protection Agency
 SubChapter N - Effluent Guidelines and Standards
 Part 467 - Aluminum Forming Point Source Category
 Subpart E - Drawing With Neat Oils Subcategory

  § 467.54 - New source performance standards.  

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  • § 467.54 New source performance standards.

    Any new source subject to this subpart must achieve the following performance standards. 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 NSPS
    Maximum for any 1 day Maximum for monthly average
    mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils
    Chromium 0.019 0.008
    Cyanide 0.010 0.004
    Zinc 0.051 0.021
    Aluminum 0.304 0.135
    Oil and grease 0.498 0.498
    Suspended solids 0.747 0.598
    pH (1) (1)

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

    Subpart E

    Continuous Rod Casting Spent Lubricant

    Pollutant or pollutant property NSPS
    Maximum for any 1 day Maximum for monthly average
    mg/off-kg (lb/million off-lbs) of aluminum rod cast
    Chromium 0.0008 0.0003
    Cyanide 0.0004 0.0002
    Zinc 0.002 0.0008
    Aluminum 0.012 0.006
    Oil and grease 0.02 0.02
    Suspended solids 0.03 0.024
    pH (1) (1)

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

    Subpart E

    Continuous Rod Casting Contact Cooling Water

    Pollutant or pollutant property NSPS
    Maximum for any 1 day Maximum for monthly average
    mg/off-kg (lb/million off-lbs) of aluminum rod cast
    Chromium 0.072 0.029
    Cyanide 0.039 0.016
    Zinc 0.198 0.082
    Aluminum 1.185 0.526
    Oil and grease 1.939 1.939
    Suspended solids 2.909 2.327
    pH (1) (1)

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

    Subpart E

    Solution Heat Treatment Contact Cooling Water

    Pollutant or pollutant property NSPS
    Maximum for any 1 day Maximum for monthly average
    mg/off-kg (lb/million off-lbs) of aluminum quenched
    Chromium 0.754 0.306
    Cyanide 0.408 0.163
    Zinc 2.08 0.856
    Aluminum 12.45 5.52
    Oil and grease 20.37 20.37
    Suspended solids 30.56 24.45
    pH (1) (1)

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

    Subpart E

    Cleaning or Etching Bath

    Pollutant or pollutant property NSPS
    Maximum for any 1 day Maximum for monthly average
    mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
    Chromium 0.066 0.027
    Cyanide 0.036 0.015
    Zinc 0.183 0.075
    Aluminum 1.094 0.485
    Oil and grease 1.79 1.79
    Suspended solids 2.69 2.15
    pH (1) (1)

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

    Subpart E

    Cleaning or Etching Rinse

    Pollutant or pollutant property NSPS
    Maximum for any 1 day Maximum for monthly average
    mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
    Chromium 0.515 0.209
    Cyanide 0.278 0.111
    Zinc 1.42 0.584
    Aluminum 8.50 3.77
    Oil and grease 13.91 13.91
    Suspended solids 20.87 16.70
    pH (1) (1)

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

    Subpart E

    Cleaning or Etching Scrubber Liquor

    Pollutant or pollutant property NSPS
    Maximum for any 1 day Maximum for monthly average
    mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
    Chromium 0.715 0.290
    Cyanide 0.387 0.155
    Zinc 1.97 0.812
    Aluminum 11.81 5.24
    Oil and grease 19.33 19.33
    Suspended solids 29.00 23.20
    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]