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Title 40

Displaying title 40, up to date as of 10/01/2026. Title 40 was last amended 10/01/2026.
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Subpart E—Lithium Subcategory

§ 461.50 Applicability; description of the lithium subcategory.

This subpart applies to discharges to waters of the United States and introduction of pollutants into publicly owned treatment works from the manufacturing of lithium anode batteries.

§§ 461.51-461.52 [Reserved]

§ 461.53 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 E—Lead Iodide Cathodes—NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of lead
English units—pounds per 1,000,000 pounds of lead
Chromium 23.34 9.46
Lead 17.66 8.20
Iron 75.70 38.48
TSS 946.2 756.96
pH (1) (1)
1 Within the range of 7.5-10.0 at all times.

(2) Subpart E—Iron Disulfide Cathodes—NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of Iron disulfide
English units—pounds per 1,000,000 pounds of Iron disulfide
Chromium 2.79 1.13
Lead 2.11 0.98
Iron 9.05 4.60
TSS 113.1 90.5
pH (1) (1)
1 Within the range of 7.5-10.0 at all times.

(3) Subpart E—Miscellaneous Wastewater Streams—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
Chromium 0.039 0.016
Lead 0.030 0.014
Iron 0.129 0.066
TSS 1.62 1.30
pH (1) (1)
1 Within the range of 7.5-10.0 at all times.

(4) Subpart E—Air Scrubbers—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 434.0 207.0
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.

§ 461.54 [Reserved]

§ 461.55 Pretreatment standards for new sources (PSNS).

(a) Except as provided in § 403.7 any new 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 new sources listed below:

(1) Subpart E—Lead Iodide Cathodes—PSNS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of lead
English units—pounds per 1,000,000 pounds of lead
Chromium 23.34 9.46
Lead 17.66 8.20

(2) Subpart E—Iron Disulfide Cathodes—PSNS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of iron disulfide
English units—pounds per 1,000,000 pounds of iron disulfide
Chromium 2.79 1.13
Lead 2.11 0.98

(3) Subpart E—Miscellaneous Wastewater Streams—PSNS.

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 0.039 0.016
Lead 0.030 0.014

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