Regulations last checked for updates: Oct 18, 2024

Title 40 - Protection of Environment last revised: Oct 16, 2024
All TitlesTitle 40Chapter IPart 467Subpart A - Subpart A—Rolling With Neat Oils Subcategory
View all text of Subpart A [§ 467.10 - § 467.17]
§ 467.14 - New source performance standards.

Any new source subject to this subpart must achieve the following performance standards. 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 NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0300.0123
Cyanide0.0160.0065
Zinc0.0840.0343
Aluminum0.4990.221
Oil and grease0.8170.817
Suspended solids1.2250.980
pH( 1)( 1)

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

Subpart A Core Without an Annealing Furnace Scrubber
Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0210.0083
Cyanide0.0110.0044
Zinc0.0570.023
Aluminum0.3380.150
Oil and grease0.5530.553
Suspended solids0.8300.664
pH( 1)( 1)

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

Subpart A Continuous Sheet 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 cast
Chromium0.000730.00029
Cyanide0.000390.00016
Zinc0.00200.00082
Aluminum0.0120.0053
Oil and grease0.01970.019
Suspended solids0.02950.022
pH( 1)( 1)

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

Subpart A 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
Chromium0.760.31
Cyanide0.410.17
Zinc2.080.86
Aluminum12.455.52
Oil and grease20.3720.37
Suspended solids30.5624.45
pH( 1)( 1)

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

Subpart A 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
Chromium0.0660.027
Cyanide0.0360.015
Zinc0.1830.075
Aluminum1.0940.485
Oil and grease1.791.79
Suspended solids2.692.15
pH( 1)( 1)

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

Subpart A 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
Chromium0.520.21
Cyanide0.280.11
Zinc1.420.59
Aluminum8.503.70
Oil and grease13.9113.91
Suspended solids20.8716.69
pH( 1)( 1)

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

Subpart A 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
Chromium0.7150.29
Cyanide0.3870.16
Zinc1.970.81
Aluminum11.815.24
Oil and grease19.3319.33
Suspended solids29.0023.20
pH( 1)( 1)

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

[48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984]
source: 48 FR 49149, Oct. 24, 1983, unless otherwise noted.
cite as: 40 CFR 467.14
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