U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 03, 2022

§ 469.43 - Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS):

Pollutant property For any 1 day Monthly average shall not exceed
Milligrams per liter (mg/l)
Cadmium0.550.26
Antimony0.100.04
Zinc1.640.67
Fluoride35.018.0