[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: 40CFR467.26] [Page 630-631] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 467_ALUMINUM FORMING POINT SOURCE CATEGORY--Table of Contents Subpart B_Rolling With Emulsions Subcategory Sec. 467.26 Pretreatment standards for new sources. Except as provided in Sec. 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: [[Page 631]] Subpart B Core ------------------------------------------------------------------------ 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 emulsions ---------------- Chromium.................................. 0.048 0.020 Cyanide................................... 0.026 0.011 Zinc...................................... 0.133 0.055 TTO....................................... 0.090 ............. Oil and grease (alternate monitoring 1.30 1.30 parameter)............................... ------------------------------------------------------------------------ Subpart B Direct Chill Casting 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 cast by semicontinuous methods --------------- Chromium.................................... 0.49 0.20 Cyanide..................................... 0.27 0.11 Zinc........................................ 1.36 0.56 TTO......................................... 0.92 ............ Oil and grease (alternate monitoring 13.29 13.29 parameter)................................. ------------------------------------------------------------------------ Subpart B 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 B 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 B 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 B 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 632]]