40 CFR 444.16 - Pretreatment standards for existing sources (PSES).

§ 444.16 Pretreatment standards for existing sources (PSES).

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

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)

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code