40 CFR 444.18 - Pretreatment standards for new sources (PSNS).
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Except as provided in 40 CFR 403.7, any source that introduces wastewater pollutants into a POTW must comply with 40 CFR part 403 and achieve the following pretreatment standards: Standards for arsenic, cadmium, chromium, copper, lead, mercury, silver, titanium and zinc are the same as the corresponding limitation specified in § 444.16.
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.