40 CFR 467.16: 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 following values:

Subpart A

Core With an Annealing Furnace Scrubber

Pollutant or pollutant property PSNS

Maximum for any 1 day Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils

Chromium 0.030 0.013

Cyanide 0.017 0.007

Zinc 0.084 0.035

TTO 0.057

Oil and grease (alternate monitoring parameter) 0.817 0.817

Subpart A

Core Without an Annealing Furnace Scrubber

Pollutant or pollutant property PSNS

Maximum for any 1 day Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils

Chromium 0.021 0.009

Cyanide 0.011 0.005

Zinc 0.057 0.024

TTO 0.038

Oil and grease (alternate monitoring parameter) 0.54 0.54

Subpart A

Continuous Sheet 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 cast

Chromium 0.00073 0.00029

Cyanide 0.00039 0.00016

Zinc 0.0020 0.00082

TTO 0.0014

Oil and grease (alternate monitoring parameter) 0.020 0.020

Subpart A

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

Chromium 0.76 0.31

Cyanide 0.41 0.17

Zinc 2.08 0.86

TTO 1.41

Oil and grease (alternate monitoring parameter) 20.37 20.37

Subpart A

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

Chromium 0.067 0.027

Cyanide 0.036 0.015

Zinc 0.183 0.075

TTO 0.124

Oil and grease (alternate monitoring parameter) 1.79 1.79

Subpart A

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

Chromium 0.52 0.21

Cyanide 0.28 0.11

Zinc 1.42 0.59

TTO 0.96

Oil and grease (alternate monitoring parameter) 13.91 13.91

Subpart A

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

Chromium 0.72 0.29

Cyanide 0.39 0.16

Zinc 1.97 0.81

TTO 1.34

Oil and grease (alternate monitoring parameter) 19.33 19.33