View all text of Subpart E [§ 467.50 - § 467.57]

§ 467.55 - 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 values set forth below:

Subpart E Core
Pollutant or pollutant property PSES Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils Chromium0.0220.009 Cyanide0.0150.006 Zinc0.0730.031 TTO0.035Oil and grease (alternate monitoring parameter)2.61.3
Subpart E Continuous Rod 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 rod cast Chromium0.00090.0004 Cyanide0.00060.0003 Zinc0.00290.0012 TTO0.0014Oil and grease (alternate monitoring parameter)0.100.052
Subpart E Continuous Rod Casting 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 rod cast Chromium0.0860.035 Cyanide0.0570.023 Zinc0.2830.118 TTO0.133Oil and grease (alternate monitoring parameter)105.1
Subpart E 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 Chromium0.8960.367 Cyanide0.5910.245 Zinc2.981.24 TTO1.41Oil and grease (alternate monitoring parameter)11053
Subpart E 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 Chromium0.0790.033 Cyanide0.0520.022 Zinc0.2620.109 TTO0.124Oil and grease (alternate monitoring parameter)9.34.7
Subpart E 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 Chromium0.6120.251 Cyanide0.4040.17 Zinc2.030.85 TTO0.96Oil and grease (alternate monitoring parameter)7336
Subpart E 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 Chromium0.8510.348 Cyanide0.5610.232 Zinc2.821.18 TTO1.34Oil and grease (alternate monitoring parameter)10050
[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, 11635, Mar. 27, 1984, as amended at 53 FR 52369, Dec. 27, 1988]