Except as provided in 40 CFR 403.7 and 403.13 any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR 403 and achieve the following pretreatment standards for existing sources (PSES). The following standards apply to the total refinery flow contribution to the POTW: ------------------------------------------------------------------------
Pretreatment
standards for
Pollutant or pollutant property existing
sources--maximum
for any 1 day------------------------------------------------------------------------
Milligrams per
liter (mg/l)
---------------Oil and grease........................................ 100Ammonia (as N)........................................ \1\100------------------------------------------------------------------------\1\ Where the discharge to the POTW consists solely of sour waters, the
owner or operator has the option of complying with this limit or the
daily maximum mass limitation for ammonia set forth in Sec. 419.53
(a) and (b).