40 CFR 429.85 - 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 process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and meet the following pretreatment standards for existing sources (PSES):
[PSES Effluent Limitations]
|Pollutant or pollutant property||Maximum for any 1 day (mg/l)|
|Oil and grease||100|
[Grams per cubic meter of production]
|Pollutant or pollutant property||Maximum for any 1 day|
|Oil and grease||20.5|