Pretreatment standards for existing sources.
Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403
. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.
|Pollutant or pollutant property
|Oil and grease
[40 FR 55796, Dec. 1, 1975, as amended at 60 FR 33948, June 29, 1995]