40 CFR § 415.444 - Pretreatment standards for existing sources (PSES).

§ 415.444 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 40 and achieve the following pretreatment standards for existing sources (PSES):

Subpart AR - Lead Monoxide

Pollutant or pollutant property PSES effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter (mg/1)
Lead 2.0 1.0