View all text of Subpart BO [§ 415.670 - § 415.677]
§ 415.674 - 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):
Subpart BO—Zinc Chloride
Pollutant or pollutant property | PSES effluent limitations | Maximum for any 1 day | Average of daily values for 30 consecutive days | Milligrams per liter (mg/l) | Arsenic (T) | 3.0 | 1.0 | Zinc (T) | 2.3 | 0.76 | Lead (T) | 0.18 | 0.048 |
---|