40 CFR § 467.46 - Pretreatment standards for new sources.

§ 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
Chromium 0.019 0.008
Cyanide 0.010 0.004
Zinc 0.051 0.021
TTO 0.035
Oil and grease (alternate monitoring parameter) 0.50 0.50
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
Chromium 0.035 0.014
Cyanide 0.019 0.008
Zinc 0.096 0.040
TTO 0.065
Oil and grease (alternate monitoring parameter) 0.95 0.95
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
Chromium 0.76 0.31
Cyanide 0.41 0.16
Zinc 2.08 0.86
TTO 1.41
Oil and grease (alternate monitoring parameter) 20.37 20.37
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
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 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
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 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
Chromium 0.72 0.29
Cyanide 0.39 0.16
Zinc 1.97 0.812
TTO 1.34
Oil and grease (alternate monitoring parameter) 19.33 19.33
[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, Mar. 27, 1984]

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