Pretreatment standards for existing sources (PSES).

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Petroleum Refining Point Source Category
  7. Petrochemical Subcategory
  8. Pretreatment standards for existing sources (PSES).

Checkout our iOS App for a better way to browser and research.

§ 419.35 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 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:

Expand Table
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).


Download our app to see the most-to-date content.