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 TTO0.057Oil 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 TTO0.038Oil 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 TTO0.0014Oil 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 TTO1.41Oil 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 TTO0.124Oil 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 TTO0.96Oil 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 TTO1.34Oil 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]