(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 G--Wet Amalgamated Powder Anodes.
BAT Effluent Limitations------------------------------------------------------------------------
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 0.099Mercury...................................... 0.14 0.055Silver....................................... 0.23 0.093Zinc......................................... 0.80 0.34Manganese.................................... 0.37 0.16------------------------------------------------------------------------
(2) Subpart G--Gelled Amalgam Anodes.
BAT Effluent Limitations------------------------------------------------------------------------
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 0.012Mercury....................................... 0.017 0.007Silver........................................ 0.028 0.012Zinc.......................................... 0.099 0.042Manganese..................................... 0.046 0.020------------------------------------------------------------------------
(3) Subpart G--Zinc Oxide Formed Anodes.
BAT Effluent Limitations------------------------------------------------------------------------
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 3.90Mercury....................................... 5.42 2.17Silver........................................ 8.89 3.68Zinc.......................................... 31.64 13.22Manganese..................................... 14.74 6.28------------------------------------------------------------------------
(4) Subpart G--Electrodeposited Anodes.
BAT Effluent Limitations------------------------------------------------------------------------
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 38.65Mercury....................................... 53.68 21.47Silver........................................ 88.03 36.50Zinc.......................................... 313.46 130.97Manganese..................................... 146.00 62.26------------------------------------------------------------------------
(5) Subpart G--Silver Powder Formed Cathodes.
BAT Effluent Limitations------------------------------------------------------------------------
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 5.35Mercury....................................... 7.43 2.97Silver........................................ 12.18 5.05Zinc.......................................... 43.36 18.12Manganese..................................... 20.20 8.61------------------------------------------------------------------------
(6) Subpart G--Silver Oxide Powder Formed Cathodes.
BAT Effluent Limitations------------------------------------------------------------------------
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 3.57Mercury....................................... 4.96 1.99Silver........................................ 8.14 3.37Zinc.......................................... 28.98 12.11Manganese..................................... 13.50 5.76------------------------------------------------------------------------
(7) Subpart G--Silver Peroxide Cathodes.
BAT Effluent Limitations------------------------------------------------------------------------
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 0.87Mercury....................................... 1.19 0.48Silver........................................ 1.95 0.81Zinc.......................................... 6.95 2.90Manganese..................................... 3.24 1.38------------------------------------------------------------------------
(8) Subpart G--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
-------------------------Chromium...................................... 88.0 36.0Mercury....................................... 50.0 20.0Nickel........................................ 384.0 254.0Silver........................................ 82.0 34.0Zinc.......................................... 292.0 122.0Manganese..................................... 136.0 58.0------------------------------------------------------------------------
(9) Subpart G--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
-------------------------Chromium...................................... 0.57 0.23Cyanide....................................... 0.38 0.16Mercury....................................... 0.32 0.13Nickel........................................ 2.48 1.64Silver........................................ 0.53 0.22Zinc.......................................... 1.88 0.79Manganese..................................... 0.88 0.37------------------------------------------------------------------------
(10) Subpart G--Silver Etch.
BAT Effluent Limitations------------------------------------------------------------------------
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 1.34Mercury....................................... 1.86 0.74Silver........................................ 3.05 1.26Zinc.......................................... 10.86 4.54Manganese..................................... 5.06 2.16------------------------------------------------------------------------
(11) Subpart G--Silver Peroxide Production.
BAT Effluent Limitations------------------------------------------------------------------------
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 1.42Mercury....................................... 1.98 0.79Silver........................................ 3.24 1.34Zinc.......................................... 11.55 4.83Manganese..................................... 5.38 2.29------------------------------------------------------------------------
(12) Subpart G--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
-------------------------Chromium...................................... 1.41 0.58Mercury....................................... 0.80 0.32Silver........................................ 1.32 0.55Zinc.......................................... 4.69 1.96Manganese..................................... 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. [49 FR 9134, Mar. 9, 1984; 49 FR 13879, Apr. 9, 1984]