40 CFR 419.35 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (Part 400 To § 424.77) — Environmental Protection Agency (Continued) (Part 400 To § 424.77) — Effluent Guidelines And Standards (Part 400 To § 424.77) — Petroleum Refining Point Source Category (§ 419.10 To Appendix A To Part 419) — Petrochemical Subcategory (§ 419.30 To § 419.37) — Pretreatment standards for existing sources (PSES).

4 Aug 2016

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 part 403 and achieve the following pretreatment standards for existing sources (PSES). The following standards apply to the total refinery flow contribution to the POTW:

Pollutant or pollutant property Pretreatment standards maximum for any 1 day
(Milligrams per liter (mg/l))
Oil and grease 100
Ammonia (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 § 419.33 (a) and (b).

40 CFR 419.35