[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR461.12] [Page 517-519] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 461--BATTERY MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart A--Cadmium Subcategory Sec. 461.12 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). (a) 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: (1) Subpart A--Electrodeposited Anodes. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cadmium English units--pounds per 1,000,000 pounds of cadmium -------------- Cadmium....................................... 11.95 5.27 Nickel........................................ 67.49 44.64 Zinc.......................................... 51.32 21.44 Cobalt........................................ 7.38 3.16 ------------------------------------------------------------------------ (2) Subpart A--Impregnated Anodes. [[Page 518]] BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cadmium English units--pounds per 1,000,000 pounds of cadmium -------------- Cadmium....................................... 68.0 30.0 Nickel........................................ 384.0 254.0 Zinc.......................................... 292.0 122.0 Cobalt........................................ 42.0 18.0 ------------------------------------------------------------------------ (3) Subpart A--Nickel Electrodeposited Cathodes. BAT Effluent Limitations ------------------------------------------------------------------------ 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 -------------- Cadmium....................................... 11.22 4.95 Nickel........................................ 63.36 41.91 Zinc.......................................... 48.18 20.13 Cobalt........................................ 6.93 2.97 ------------------------------------------------------------------------ (4) Subpart A--Nickel Impregnated Cathodes. BAT Effluent Limitations ------------------------------------------------------------------------ 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 -------------- Cadmium....................................... 68.0 30.0 Nickel........................................ 384.0 254.0 Zinc.......................................... 292.0 122.0 Cobalt........................................ 42.0 18.0 ------------------------------------------------------------------------ (5) Subpart A--Miscellaneous Wastewater Streams. BAT Effluent Limitations ------------------------------------------------------------------------ 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 -------------- Cadmium....................................... 0.79 0.35 Nickel........................................ 4.47 2.96 Zinc.......................................... 3.40 1.42 Cobalt........................................ 0.49 0.21 ------------------------------------------------------------------------ (6) Subpart A--Cadmium Powder Production. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cadmium powder produced English units--pounds per 1,000,000 pounds of cadmium powder produced -------------- Cadmium....................................... 2.23 0.99 Nickel........................................ 12.61 8.34 Zinc.......................................... 9.59 4.01 Cobalt........................................ 1.38 0.59 ------------------------------------------------------------------------ (7) Subpart A--Silver Powder Production. BAT Effluent Limitations ------------------------------------------------------------------------ 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 -------------- Cadmium....................................... 1.09 0.48 Nickel........................................ 6.16 4.08 Silver........................................ 1.32 0.55 Zinc.......................................... 4.69 1.96 Cobalt........................................ 0.67 0.29 ------------------------------------------------------------------------ (8) Subpart A--Cadmium Hydroxide Production. [[Page 519]] BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cadmium used English units--pounds per 1,000,000 pounds of cadmium used -------------- Cadmium....................................... 0.05 0.02 Nickel........................................ 0.27 0.18 Zinc.......................................... 0.20 0.09 Cobalt........................................ 0.03 0.01 ------------------------------------------------------------------------ (9) Subpart A--Nickel Hydroxide Production. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of nickel used English units--pounds per 1,000,000 pounds of nickel used -------------- Cadmium....................................... 5.61 2.48 Nickel........................................ 31.68 20.96 Zinc.......................................... 24.09 10.07 Cobalt........................................ 3.47 1.49 ------------------------------------------------------------------------ (b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.