40 C.F.R. § 467.56

Current through September 30, 2024
Section 467.56 - 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 E

Core

Pollutant or pollutant propertyPSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils
Chromium0.0190.008
Cyanide0.0100.004
Zinc0.0510.021
TTO0.035
Oil and grease (alternate monitoring parameter)0.500.50

Subpart E

Continuous Rod Casting Lubricant

Pollutant or pollutant propertyPSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rod cast
Chromium0.00070.0003
Cyanide0.00040.0002
Zinc0.00200.0008
TTO0.0014
Oil and grease (alternate monitoring parameter)0.0200.020

Subpart E

Continuous Rod Casting Contact Cooling Water

Pollutant or pollutant propertyPSNS
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
Zinc0.1980.134
TTO0.082
Oil and grease (alternate monitoring parameter)1.941.94

Subpart E

Solution Heat Treatment Contact Cooling Water

Pollutant or pollutant propertyPSNS
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 E

Cleaning or Etching Bath

Pollutant or pollutant propertyPSNS
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 E

Cleaning or Etching Rinse

Pollutant or pollutant propertyPSNS
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 E

Cleaning or Etching Scrubber Liquor

Pollutant or pollutant propertyPSNS
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
TTO1.34
Oil and grease (alternate monitoring parameter)19.3319.33

40 C.F.R. §467.56

48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633,,11635, Mar. 27, 1984