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

40 CFR 466.25: Pretreatment standards for new sources.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
PART 466—PORCELAIN ENAMELING POINT SOURCE CATEGORY
Subpart B—Cast Iron Basis Material Subcategory

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicy owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) There shall be no discharge of process wastewater pollutants from metal preparation operations.

(b) The discharge of process wastewater pollutants from all porcelain enameling coating operations shall not exceed the values set forth below:

Subpart B—PSNS

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

Mg/m2 (pounds per million ft2) of area coated

Chromium 0.47 (0.10) 0.19 (0.04)

Lead 0.13 (0.03) 0.11 (0.02)

Nickel 0.69 (0.14) 0.47 (0.10)

Zinc 1.29 (0.27) 0.53 (0.11)

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

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