[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR471.85] [Page 780-781] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 471--NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY--Table of Contents Subpart H--Zinc Forming Subcategory Sec. 471.85 Pretreatment standards for new sources (PSNS). 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 (PSNS). The mass of the wastewater introduced into a POTW shall not exceed the following values: (a) Rolling spent neat oils--Subpart H--PSNS. There shall be no discharge of process wastewater pollutants. (b) Rolling spent emulsions. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions --------------- Chromium..................................... 0.0005 0.0002 Copper....................................... 0.002 0.0009 Cyanide...................................... 0.0003 0.0001 Zinc......................................... 0.002 0.0006 ------------------------------------------------------------------------ (c) Rolling contact cooling water. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water -------------- Chromium...................................... 0.020 0.008 Copper........................................ 0.069 0.033 Cyanide....................................... 0.011 0.004 Zinc.......................................... 0.055 0.023 ------------------------------------------------------------------------ (d) Drawing spent emulsions. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions -------------- Chromium..................................... 0.002 0.0009 Copper....................................... 0.008 0.004 Cyanide...................................... 0.001 0.0005 Zinc......................................... 0.006 0.003 ------------------------------------------------------------------------ (e) Direct chill casting contact cooling water. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method -------------- Chromium...................................... 0.019 0.008 Copper........................................ 0.065 0.031 Cyanide....................................... 0.010 0.004 Zinc.......................................... 0.052 0.021 ------------------------------------------------------------------------ (f) Stationary casting contact cooling water--Subpart H--PSNS. There shall be no discharge of process wastewater pollutants. (g) Heat treatment contact cooling water. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc heat treated -------------- Chromium...................................... 0.029 0.012 Copper........................................ 0.098 0.047 Cyanide....................................... 0.016 0.006 Zinc.......................................... 0.078 0.032 ------------------------------------------------------------------------ [[Page 781]] (h) Surface treatment spent baths. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc surface treated -------------- Chromium...................................... 0.033 0.014 Copper........................................ 0.114 0.054 Cyanide....................................... 0.018 0.007 Zinc.......................................... 0.091 0.038 ------------------------------------------------------------------------ (i) Surface treatment rinse. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc surface treated -------------- Chromium...................................... 0.133 0.054 Copper........................................ 0.459 0.219 Cyanide....................................... 0.072 0.029 Zinc.......................................... 0.365 0.151 ------------------------------------------------------------------------ (j) Alkaline cleaning spent baths. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned -------------- Chromium..................................... 0.002 0.0006 Copper....................................... 0.005 0.002 Cyanide...................................... 0.0007 0.0003 Zinc......................................... 0.004 0.002 ------------------------------------------------------------------------ (k) Alkaline cleaning rinse. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned --------------- Chromium.................................... 0.626 0.254 Copper...................................... 2.17 1.03 Cyanide..................................... 0.338 0.134 Zinc........................................ 1.73 0.710 ------------------------------------------------------------------------ (l) Sawing or grinding spent emulsions. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions -------------- Chromium...................................... 0.009 0.004 Copper........................................ 0.031 0.015 Cyanide....................................... 0.005 0.002 Zinc.......................................... 0.025 0.010 ------------------------------------------------------------------------ (m) Electrocoating rinse. Subpart H--PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of zinc electrocoated -------------- Chromium...................................... 0.085 0.035 Copper........................................ 0.293 0.140 Cyanide....................................... 0.046 0.019 Zinc.......................................... 0.234 0.096 ------------------------------------------------------------------------ (n) Decreasing spent solvents-- Subpart H--PSNS. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]