40 C.F.R. § 467.26

Current through September 30, 2024
Section 467.26 - Pretreatment standards for new sources

Except as provided in § 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 process wastewater pollutants from the core and ancillary operations introduced into a POTW shall not exceed the values set forth below:

Subpart B

Core

Pollutant or pollutant propertyPSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with emulsions
Chromium0.0480.020
Cyanide0.0260.011
Zinc0.1330.055
TTO0.090
Oil and grease (alternate monitoring parameter)1.301.30

Subpart B

Direct Chill 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 cast by semicontinuous methods
Chromium0.490.20
Cyanide0.270.11
Zinc1.360.56
TTO0.92
Oil and grease (alternate monitoring parameter)13.2913.29

Subpart B

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
Chromium0.760.31
Cyanide0.410.17
Zinc2.080.86
TTO1.41
Oil and grease (alternate monitoring parameter)20.3720.37

Subpart B

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 B

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 B

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
Zinc1.970.81
TTO1.34
Oil and grease (alternate monitoring parameter)19.3319.33

40 C.F.R. §467.26

48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984