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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 425 - Leather Tanning and Finishing Point Source Category |
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Subpart H - Pigskin Subcategory |
§ 425.85 - Pretreatment standards for existing sources (PSES).
Latest version.
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§ 425.85 Pretreatment standards for existing sources (PSES).
Except as provided in § 425.04 and 40 CFR 403.7 and § 403.13, any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403, and achieve the following pretreatment standards:
Pollutant or pollutant property PSES Maximum for any 1 day Maximum for monthly average Milligrams per liter (mg/l) Sulfide 24 Total chromium 12 8 pH (1) (1) [47 FR 52870, Nov. 23, 1982, as amended at 61 FR 35685, July 8, 1996]