40 CFR § 461.63 - New source performance standards (NSPS).

§ 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.

[49 FR 9134, Mar. 9, 1984; 49 FR 13879, Apr. 9, 1984]