View all text of Subpart C [§ 469.30 - § 469.36]
§ 469.34 - Pretreatment standards for existing sources (PSES).
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources (PSES):
Pollutant or pollutant property | Maximum for any 1 day | Monthly average shall not exceed | Milligrams per liter (mg/l) | TTO 1 | 1.58 | Cadmium | 0.06 | 0.03 | Chromium | 0.65 | 0.30 | Lead | 1.12 | 0.41 | Zinc | 1.38 | 0.56 | Fluoride | 35.0 | 18.0 |
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1 Total toxic organics.