U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 05, 2022

§ 467.66 - 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 wastewaters introduced into a POTW shall not exceed the values set forth below:

Subpart F Core
Pollutant or pollutant property PSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum drawn with emulsions or soaps
Chromium0.1730.070
Cyanide0.0940.038
Zinc0.480.196
TTO0.32
Oil and grease (alternate monitoring parameter)4.674.67
Subpart F Continuous Rod Casting Lubricant
Pollutant or pollutant property PSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rod cast
Chromium0.00080.0003
Cyanide0.00040.0002
Zinc0.00200.0008
TTO0.0014
Oil and grease (alternate monitoring parameter)0.0200.020
Subpart F Continuous Rod Casting 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 rod cast
Chromium0.0720.029
Cyanide0.0390.016
Zinc0.1980.082
TTO0.134
Oil and grease (alternate monitoring parameter)1.941.94
Subpart F 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
Chromium0.760.306
Cyanide0.410.163
Zinc2.080.856
TTO1.41
Oil and grease (alternate monitoring parameter)20.3720.37
Subpart F 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
TTO0.124
Oil and grease (alternate monitoring parameter)1.791.79
Subpart F 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
TTO0.96
Oil and grease (alternate monitoring parameter)13.9113.91
Subpart F 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
Chromium0.7150.290
Cyanide0.3870.155
Zinc1.970.812
TTO1.34
Oil and grease (alternate monitoring parameter)19.3319.33
[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, 11636, Mar. 27, 1984]