[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: 40CFR467.55] [Page 647-648] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 467_ALUMINUM FORMING POINT SOURCE CATEGORY--Table of Contents Subpart E_Drawing With Neat Oils Subcategory Sec. 467.55 Pretreatment standards for existing sources. Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing 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 ------------------------------------------------------------------------ PSES --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (lb/million off- lbs) of aluminum drawn with neat oils --------------- Chromium.................................... 0.022 0.009 Cyanide..................................... 0.015 0.006 Zinc........................................ 0.073 0.031 TTO......................................... 0.035 ............ Oil and grease (alternate monitoring 2.6 1.3 parameter)................................. ------------------------------------------------------------------------ Subpart E Continuous Rod Casting Lubricant ------------------------------------------------------------------------ PSES --------------------------- 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 TTO......................................... 0.0014 ............ Oil and grease (alternate monitoring 0.10 0.052 parameter)................................. ------------------------------------------------------------------------ Subpart E Continuous Rod Casting Contact Cooling Water ------------------------------------------------------------------------ PSES ------------------------- 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....................................... 0.057 0.023 Zinc.......................................... 0.283 0.118 TTO........................................... 0.133 ........... Oil and grease (alternate monitoring 10 5.1 parameter)................................... ------------------------------------------------------------------------ [[Page 648]] Subpart E Solution Heat Treatment Contact Cooling Water ------------------------------------------------------------------------ PSES --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (lb/million off- lbs) of aluminum quenched --------------- Chromium.................................... 0.896 0.367 Cyanide..................................... 0.591 0.245 Zinc........................................ 2.98 1.24 TTO......................................... 1.41 ............ Oil and grease (alternate monitoring 110 53 parameter)................................. ------------------------------------------------------------------------ Subpart E Cleaning or Etching Bath ------------------------------------------------------------------------ PSES --------------------------- 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 0.033 Cyanide..................................... 0.052 0.022 Zinc........................................ 0.262 0.109 TTO......................................... 0.124 ............ Oil and grease (alternate monitoring 9.3 4.7 parameter)................................. ------------------------------------------------------------------------ Subpart E Cleaning or Etching Rinse ------------------------------------------------------------------------ PSES -------------------------- 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 0.17 Zinc......................................... 2.03 0.85 TTO.......................................... 0.96 ............ Oil and grease (alternate monitoring 73 36 parameter).................................. ------------------------------------------------------------------------ Subpart E Cleaning or Etching Scrubber Liquor ------------------------------------------------------------------------ PSES --------------------------- 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.................................... 0.851 0.348 Cyanide..................................... 0.561 0.232 Zinc........................................ 2.82 1.18 TTO......................................... 1.34 ............ Oil and grease (alternate monitoring 100 50 parameter)................................. ------------------------------------------------------------------------ [48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, and 11635, Mar. 27, 1984, as amended at 53 FR 52369-52372, Dec. 27, 1988]