40 CFR 461.63: New source performance standards (NSPS).

(a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below:

(1) Subpart F—Silver Chloride Cathodes—Chemically Reduced—NSPS.

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

Lead 22.93 10.65

Silver 23.75 9.83

Iron 98.28 49.96

TSS 1,228.5 982.8

COD 4,095.0 1,999.0

pH (1) (1)

1 Within the range of 7.5-10.0 at all times.

(2) Subpart F—Silver Chloride Cathodes—Electrolytic—NSPS.

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

Lead 40.6 18.9

Silver 42.1 17.4

Iron 174.0 88.5

TSS 2,175.0 1,740.0

COD 7,250.0 3,540.0

pH (1) (1)

1 Within the range of 7.5-10.0 at all times.

(3) Subpart F—Cell Testing—NSPS.

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

Lead 19.5 7.89

Silver 15.3 6.31

Iron 63.1 32.1

TSS 789.0 631.2

COD 2,630.0 1,290.0

pH (1) (1)

1 Within the range of 7.5-10.0 at all times.

(4) Subpart F—Floor and Equipment Wash—NSPS.

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

Lead 0.026 0.012

Silver 0.027 0.011

Iron 0.112 0.057

COD 4.70 2.30

TSS 1.41 1.13

pH (1) (1)

1 Within the range of 7.5-10.0 at all times.

(5) Subpart F—Air Scrubber—NSPS.

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

TSS 8,467.0 4,030.0

pH (1) (1)

1 Within the range of 7.5-10.0 at all times.

(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.