Title 40

SECTION 415.124

415.124 Pretreatment standards for existing sources (PSES).

§ 415.124 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 L - Potassium Dichromate

Pollutant or pollutant property PSES limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter (mg/l)
Hexavalent chromium 0.25 0.090
Total chromium 3.0 1.0