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]
§ 467.15 - Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the following values:

Subpart A Core With an Annealing Furnace Scrubber
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0360.015
Cyanide0.0240.010
Zinc0.1190.050
TTO0.057
Oil and grease (alternate monitoring parameter)4.32.1
Subpart A Core Without an Annealing Furnace Scrubber
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0250.010
Cyanide0.0160.007
Zinc0.0810.034
TTO0.038
Oil and grease (alternate monitoring parameter)2.91.5
Subpart A Continuous Sheet Casting Lubricant
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium0.000860.00035
Cyanide0.000570.00024
Zinc0.00290.0012
TTO0.0014
Oil and grease (alternate monitoring parameter)0.100.052
Subpart A Solution Heat Treatment Contact Cooling Water
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium0.900.37
Cyanide0.590.25
Zinc2.981.25
TTO1.41
Oil and grease (alternate monitoring parameter)11053
Subpart A Cleaning or Etching Bath
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium0.0790.032
Cyanide0.0520.022
Zinc0.2620.109
TTO0.124
Oil and grease (alternate monitoring parameter)9.34.7
Subpart A Cleaning or Etching Rinse
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium0.610.25
Cyanide0.410.17
Zinc2.030.85
TTO0.96
Oil and grease (alternate monitoring parameter)7336
Subpart A Cleaning or Etching Scrubber Liquor
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium0.850.35
Cyanide0.560.23
Zinc2.821.18
TTO1.34
Oil and grease (alternate monitoring parameter)10050
[48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984, as amended at 53 FR 52369, 52370, Dec. 27, 1988]
source: 48 FR 49149, Oct. 24, 1983, unless otherwise noted.
cite as: 40 CFR 467.15
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