U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 02, 2022

§ 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 11.58
Cadmium0.060.03
Chromium0.650.30
Lead1.120.41
Zinc1.380.56
Fluoride35.018.0

1 Total toxic organics.