40 C.F.R. § 461.12

Current through October 31, 2024

Section 461.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT)

(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 A-Electrodeposited Anodes.

BAT Effluent Limitations

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	Metric units-mg/kg of cadmium
	English units-pounds per 1,000,000 pounds of cadmium
Cadmium	11.95	5.27
Nickel	67.49	44.64
Zinc	51.32	21.44
Cobalt	7.38	3.16

(2) Subpart A-Impregnated Anodes.

BAT Effluent Limitations

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	Metric units-mg/kg of cadmium
	English units-pounds per 1,000,000 pounds of cadmium
Cadmium	68.0	30.0
Nickel	384.0	254.0
Zinc	292.0	122.0
Cobalt	42.0	18.0

(3) Subpart A-Nickel Electrodeposited Cathodes.

BAT Effluent Limitations

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
Cadmium	11.22	4.95
Nickel	63.36	41.91
Zinc	48.18	20.13
Cobalt	6.93	2.97

(4) Subpart A-Nickel Impregnated Cathodes.

BAT Effluent Limitations

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
Cadmium	68.0	30.0
Nickel	384.0	254.0
Zinc	292.0	122.0
Cobalt	42.0	18.0

(5) Subpart A-Miscellaneous Wastewater Streams.

BAT Effluent Limitations

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
Cadmium	0.79	0.35
Nickel	4.47	2.96
Zinc	3.40	1.42
Cobalt	0.49	0.21

(6) Subpart A-Cadmium Powder Production.

BAT Effluent Limitations

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	Metric units-mg/kg of cadmium powder produced
	English units-pounds per 1,000,000 pounds of cadmium powder produced
Cadmium	2.23	0.99
Nickel	12.61	8.34
Zinc	9.59	4.01
Cobalt	1.38	0.59

(7) Subpart A-Silver Powder Production.

BAT Effluent Limitations

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
Cadmium	1.09	0.48
Nickel	6.16	4.08
Silver	1.32	0.55
Zinc	4.69	1.96
Cobalt	0.67	0.29

(8) Subpart A-Cadmium Hydroxide Production.

BAT Effluent Limitations

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	Metric units-mg/kg of cadmium used
	English units-pounds per 1,000,000 pounds of cadmium used
Cadmium	0.05	0.02
Nickel	0.27	0.18
Zinc	0.20	0.09
Cobalt	0.03	0.01

(9) Subpart A-Nickel Hydroxide Production.

BAT Effluent Limitations

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	Metric units-mg/kg of nickel used
	English units-pounds per 1,000,000 pounds of nickel used
Cadmium	5.61	2.48
Nickel	31.68	20.96
Zinc	24.09	10.07
Cobalt	3.47	1.49

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

40 C.F.R. §461.12