View all text of Subpart D [§ 467.40 - § 467.47]

§ 467.46 - Pretreatment standards for new sources.

Except as provided in 40 CFR 403.7, any new 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 new sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the values set forth below:

Subpart D Core
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum forged Chromium0.0190.008 Cyanide0.0100.004 Zinc0.0510.021 TTO0.035Oil and grease (alternate monitoring parameter)0.500.50
Subpart D Forging Scrubber Liquor
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum forged Chromium0.0350.014 Cyanide0.0190.008 Zinc0.0960.040 TTO0.065Oil and grease (alternate monitoring parameter)0.950.95
Subpart D Solution Heat Treatment Contact Cooling Water
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum quenched Chromium0.760.31 Cyanide0.410.16 Zinc2.080.86 TTO1.41Oil and grease (alternate monitoring parameter)20.3720.37
Subpart D Cleaning or Etching Bath
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched Chromium0.0670.027 Cyanide0.0360.015 Zinc0.1830.075 TTO0.124Oil and grease (alternate monitoring parameter)1.791.79
Subpart D Cleaning or Etching Rinse
Pollutant or pollutant property PSNS 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 TTO0.96Oil and grease (alternate monitoring parameter)13.9113.91
Subpart D Cleaning or Etching Scrubber Liquor
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched Chromium0.720.29 Cyanide0.390.16 Zinc1.970.812 TTO1.34Oil and grease (alternate monitoring parameter)19.3319.33
[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, Mar. 27, 1984]