40 C.F.R. § 444.16

Pretreatment standards for existing sources (PSES).

Last amended: 2016Year: 2026Length: 71 wordsOfficial source

Cite as 40 C.F.R. § 444.16 (2026)

Except as provided in 40 CFR 403.7 and 403.13, any source that introduces wastewater pollutants into a POTW must comply with part 403 and achieve the following pretreatment standards: Pretreatment Standards 1 Regulated parameter Maximum daily Maximum monthly avg. Arsenic 84 72 Cadmium 71 26 Chromium 25 14 Copper 23 14 Lead 57 32 Mercury 2.3 1.3 Silver 13 8 Titanium 60 22 Zinc 82 54 1 Micrograms per liter (ppb)
Cross-references to the CFR
40:403.7
40 C.F.R. § 444.16: Pretreatment standards for existing sources (PSES). | Justis AI