Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
§ 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
Lead22.9310.65
Silver23.759.83
Iron98.2849.96
TSS1,228.5982.8
COD4,095.01,999.0
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
Lead40.618.9
Silver42.117.4
Iron174.088.5
TSS2,175.01,740.0
COD7,250.03,540.0
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
Lead19.57.89
Silver15.36.31
Iron63.132.1
TSS789.0631.2
COD2,630.01,290.0
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
Lead0.0260.012
Silver0.0270.011
Iron0.1120.057
COD4.702.30
TSS1.411.13
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
TSS8,467.04,030.0
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]
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316 (b) andc, 1317 (b) andc,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 49 FR 9134, Mar. 9, 1984, unless otherwise noted.
cite as: 40 CFR 461.63