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Current as of October 02, 2022 | Updated by FindLaw Staff
(a) Except as provided in § 425.04 and 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403, and achieve the following pretreatment standards:
PSES | ||
---|---|---|
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
Milligrams per liter (mg/l) | ||
Sulfide | 24 | |
Total chromium | 12 | 8 |
pH | (1) | (1) |
1 Not less than 7.0.
(b) Any existing source subject to this subpart which processes less than 275 hides/day shall comply with § 425.15(a), except that the total chromium limitations contained in § 425.15(a) do not apply.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.425.15 Pretreatment standards for existing sources (PSES) - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-425-15/
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