40 CFR 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:
|Regulatedparameter||Maximum daily||Maximum monthly avg.|
|1 Micrograms per liter (ppb)|
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.