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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 467 - Aluminum Forming Point Source Category |
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Subpart E - Drawing With Neat Oils Subcategory |
§ 467.56 - Pretreatment standards for new sources.
Latest version.
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§ 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 property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils 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 E
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 Chromium 0.0007 0.0003 Cyanide 0.0004 0.0002 Zinc 0.0020 0.0008 TTO 0.0014 Oil and grease (alternate monitoring parameter) 0.020 0.020 Subpart E
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 Chromium 0.072 0.029 Cyanide 0.039 0.016 Zinc 0.198 0.134 TTO 0.082 Oil and grease (alternate monitoring parameter) 1.94 1.94 Subpart E
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 0.306 Cyanide 0.41 0.163 Zinc 2.08 0.856 TTO 1.41 Oil and grease (alternate monitoring parameter) 20.37 20.37 Subpart E
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 E
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 E
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,,11635, Mar. 27, 1984]