(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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

Open Table
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.


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