[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR467.63] [Page 652-653] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 467--ALUMINUM FORMING POINT SOURCE CATEGORY--Table of Contents Subpart F--Drawing With Emulsions or Soaps Subcategory Sec. 467.63 Effluent limitations representing the degree of effluent reduction attainable by the application of best available technology economically achievable. Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. The discharge of wastewater pollutants from the core shall not exceed the volumes set forth below: Subpart F Core ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (lb/million off- lbs) of aluminum drawn with emulsions or soaps --------------- Chromium.................................... 0.205 0.084 Cyanide..................................... 0.135 0.056 Zinc........................................ 0.681 0.285 Aluminum.................................... 3.00 1.49 ------------------------------------------------------------------------ Subpart F Continuous Rod Casting Spent Lubricant ------------------------------------------------------------------------ BAT effluent limitations -------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (lb/million off- lbs) of aluminum rod cast --------------- Chromium..................................... 0.0009 0.0004 Cyanide...................................... 0.0006 0.0003 Zinc......................................... 0.0029 0.0012 Aluminum..................................... 0.013 0.0063 ------------------------------------------------------------------------ Subpart F Continuous Rod Casting Contact Cooling Water ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (lb/million off- lbs) of aluminum rod cast --------------- Chromium.................................... 0.086 0.035 Cyanide..................................... 0.056 0.024 Zinc........................................ 0.283 0.118 Aluminum.................................... 1.25 0.62 ------------------------------------------------------------------------ Subpart F Solution Heat Treatment Contact Cooling Water ------------------------------------------------------------------------ BAT effluent limitations -------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (lb/million off- lbs) of aluminum quenched --------------- Chromium..................................... 0.897 0.37 Cyanide...................................... 0.591 0.25 Zinc......................................... 2.98 1.24 Aluminum..................................... 13.10 6.52 ------------------------------------------------------------------------ Subpart F Cleaning or Etching Bath ------------------------------------------------------------------------ BAT effluent limitations --------------------------- 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.................................... 0.079 0.032 Cyanide..................................... 0.052 0.022 Zinc........................................ 0.262 0.11 Aluminum.................................... 1.15 0.57 ------------------------------------------------------------------------ [[Page 653]] Subpart F Cleaning or Etching Rinse ------------------------------------------------------------------------ BAT effluent limitations --------------------------- 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.................................... 0.612 0.251 Cyanide..................................... 0.404 0.167 Zinc........................................ 2.03 0.849 Aluminum.................................... 8.95 4.45 ------------------------------------------------------------------------ Subpart F Cleaning or Etching Scrubber Liquor ------------------------------------------------------------------------ BAT effluent limitations --------------------------- 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.................................... 0.85 0.348 Cyanide..................................... 0.561 0.232 Zinc........................................ 2.82 1.18 Aluminum.................................... 12.43 6.19 ------------------------------------------------------------------------ [48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, and 11636, Mar. 27, 1984]