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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 461.34: Pretreatment standards for existing sources (PSES).

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
  4. PART 461—BATTERY MANUFACTURING POINT SOURCE CATEGORY
  5. Subpart C—Lead Subcategory

(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the pretreatment standards for existing sources listed below:

(1) Subpart C—Open Formation—Dehydrated—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 3.19 1.68

Lead 0.71 0.34

(2) Subpart C—Open Formation—Wet—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 0.100 0.053

Lead 0.022 0.010

(3) Subpart C—Plate Soak—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 0.039 0.021

Lead 0.008 0.004

(4) Subpart C—Battery Wash—(Detergent)—PSES.

Pollutant or pollutant Property Maximum for any 1 Day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 1.71 0.90

Lead 0.38 0.18

(5) Subpart C—Direct Chill Lead Casting—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 0.0004 0.0002

Lead 0.00008 0.00004

(6) Subpart C—Mold Release Formulation—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 0.011 0.006

Lead 0.002 0.001

(7) Subpart C—Truck Wash—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead in trucked batteries

English units—pounds per 1,000,000 pounds of lead in trucked batteries

Copper 0.026 0.014

Lead 0.005 0.002

(8) Subpart C—Laundry—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 0.21 0.11

Lead 0.05 0.02

(9) Subpart C—Miscellaneous Wastewater Streams—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

Metric units—mg/kg of lead used

English units—pounds per 1,000,000 pounds of lead used

Copper 0.58 0.31

Lead 0.13 0.06

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

(c)(1) In cases where battery employee shower wastewater containing concentrations of lead exceeding 0.20 mg/l is combined with process wastewaters prior to treatment, the Control Authority may, for purposes of applying the Combined Wastestream Formula under § 403.6(e) of this chapter, notwithstanding the provisions of § 403.6(e), exercise its discretion and classify battery employee shower wastewater as an unregulated rather than a dilute (FD) wastestream.

(2) Before the Control Authority may exercise its discretion to classify such a stream as an unregulated stream, the battery manufacturer must provide engineering, production, and sampling and analysis information sufficient to allow a determination by the Control Authority on how the stream should be classified.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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