[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR461.74] [Page 542-544] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 461--BATTERY MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart G--Zinc Subcategory Sec. 461.74 Pretreatment standards for existing sources (PSES). (a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources: (1) Subpart G--Wet Amalgamated Powder Anode--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of zinc English units--pounds per 1,000,000 pounds of zinc -------------- Chromium...................................... 0.24 0.099 Mercury....................................... 0.14 0.055 Silver........................................ 0.23 0.093 Zinc.......................................... 0.80 0.34 Manganese..................................... 0.37 0.16 ------------------------------------------------------------------------ (2) Subpart G--Gelled Amalgam Anodes--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of zinc English units--pounds per 1,000,000 pounds of zinc -------------- Chromium...................................... 0.030 0.12 Mercury....................................... 0.017 0.006 Silver........................................ 0.028 0.012 Zinc.......................................... 0.099 0.042 Manganese..................................... 0.046 0.020 ------------------------------------------------------------------------ (3) Subpart G--Zinc Oxide Formed Anodes--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of zinc English units--pounds per 1,000,000 pounds of zinc -------------- Chromium...................................... 9.53 3.90 Mercury....................................... 5.42 2.17 Silver........................................ 8.89 3.68 Zinc.......................................... 31.64 13.22 Manganese..................................... 14.74 6.28 ------------------------------------------------------------------------ (4) Subpart G--Electrodeposited Anodes--PSES. [[Page 543]] ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of zinc deposited English units--pounds per 1,000,000 pounds of zinc deposited -------------- Chromium...................................... 94.47 38.65 Mercury....................................... 53.68 21.47 Silver........................................ 88.03 36.50 Zinc.......................................... 313.46 130.97 Manganese..................................... 146.00 62.26 ------------------------------------------------------------------------ (5) Subpart G--Silver Powder Formed Cathodes--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver applied English units--pounds per 1,000,000 pounds of silver applied -------------- Chromium...................................... 13.07 5.35 Mercury....................................... 7.43 2.97 Silver........................................ 12.18 5.05 Zinc.......................................... 43.36 18.12 Maganese...................................... 20.20 8.61 ------------------------------------------------------------------------ (6) Subpart G--Silver Oxide Powder Formed Cathodes--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver applied English units--pounds per 1,000,000 pounds of silver applied -------------- Chromium...................................... 8.73 3.57 Mercury....................................... 4.96 1.99 Silver........................................ 8.14 3.37 Zinc.......................................... 28.98 12.11 Manganese..................................... 13.50 5.76 ------------------------------------------------------------------------ (7) Subpart G--Silver Peroxide Cathodes--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver applied English units--pounds per 1,000,000 pounds of silver applied -------------- Chromium...................................... 2.09 0.87 Mercury....................................... 1.19 0.48 Silver........................................ 1.95 0.81 Zinc.......................................... 6.95 2.90 Manganese..................................... 3.24 1.38 ------------------------------------------------------------------------ (8) Subpart G--Nickel Impregnated Cathodes--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of nickel applied English units--pounds per 1,000,000 pounds of nickel applied -------------- Chromium...................................... 88.0 36.0 Mercury....................................... 50.0 20.0 Nickel........................................ 384.0 254.0 Silver........................................ 82.0 34.0 Zinc.......................................... 292.0 122.0 Manganese..................................... 136.0 58.0 ------------------------------------------------------------------------ (9) Subpart G--Miscellaneous Wastewater Streams--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cells produced English units--pounds per 1,000,000 pounds of cells produced -------------- Chromium...................................... 0.57 0.23 Cyanide....................................... 0.38 0.16 Mercury....................................... 0.32 0.13 Nickel........................................ 2.48 1.64 Silver........................................ 0.53 0.22 Zinc.......................................... 1.88 0.79 Manganese..................................... 0.88 0.37 ------------------------------------------------------------------------ (10) Subpart G--Silver Etch--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver processed English units--pounds per 1,000,000 pounds of silver processed -------------- Chromium...................................... 3.27 1.34 Mercury....................................... 1.86 0.74 Silver........................................ 3.05 1.26 Zinc.......................................... 10.86 4.54 Manganese..................................... 5.06 2.16 ------------------------------------------------------------------------ (11) Subpart G--Silver Peroxide Production--PSES. [[Page 544]] ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver peroxide produced English units--pounds per 1,000,000 pounds of silver peroxide produced -------------- Chromium...................................... 3.48 1.42 Mercury....................................... 1.98 0.79 Silver........................................ 3.24 1.34 Zinc.......................................... 11.55 4.83 Manganese..................................... 5.38 2.29 ------------------------------------------------------------------------ (12) Subpart G--Silver Powder Production--PSES. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver powder produced English units--pounds per 1,000,000 pounds of silver powder produced -------------- Chromium...................................... 1.41 0.58 Mercury....................................... 0.80 0.32 Silver........................................ 1.32 0.55 Zinc.......................................... 4.69 1.96 Manganese..................................... 2.18 0.93 ------------------------------------------------------------------------ (b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.