[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR467.16] [Page 624-625] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 467_ALUMINUM FORMING POINT SOURCE CATEGORY--Table of Contents Subpart A_Rolling With Neat Oils Subcategory Sec. 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 ------------------------------------------------------------------------ PSNS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day 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 0.817 0.817 parameter)................................. ------------------------------------------------------------------------ [[Page 625]] Subpart A Core Without an Annealing Furnace Scrubber ------------------------------------------------------------------------ PSNS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day 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 0.54 0.54 parameter)................................. ------------------------------------------------------------------------ Subpart A Continuous Sheet Casting Lubricant ------------------------------------------------------------------------ PSNS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day 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 0.020 0.020 parameter)................................. ------------------------------------------------------------------------ Subpart A Solution Heat Treatment Contact Cooling Water ------------------------------------------------------------------------ PSNS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day 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 20.37 20.37 parameter)................................. ------------------------------------------------------------------------ Subpart A Cleaning or Etching Bath ------------------------------------------------------------------------ PSNS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day 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 1.79 1.79 parameter)................................. ------------------------------------------------------------------------ Subpart A Cleaning or Etching Rinse ------------------------------------------------------------------------ PSNS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day 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 13.91 13.91 parameter)................................. ------------------------------------------------------------------------ Subpart A Cleaning or Etching Scrubber Liquor ------------------------------------------------------------------------ PSNS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day 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 19.33 19.33 parameter)................................. ------------------------------------------------------------------------ [48 FR 49149, Oct. 24, 1983; 49 FR 11631 and 11632, Mar. 27, 1984] [[Page 626]]