Study for your oil pretreatment project All the versions of this article: [Deutsch] [English] [français] Your project Project reference * Country * Type of activity * Gas station Indoor parking Outdoor parking Car wash Truck wash Others Specify other activity Technical datas Water proof surface (m2) Average slope of the field (%) Storm water peak flow (l/s) Flow rate (l/s) Waste water flow Number of high pressure lances Number of washing rollers Oil density ≤ 0,85 0,85 < d ≤ 0,90 0,90 < d ≤ 0,95 Use of detergents (with no stable emulsions) Yes No Diameter of water system Installation Above ground Under green areas Under roadway Groundwater Stray currents Sea water Outlet water level Release Waste water system Natural environment Recycling Oil concentration (mg/l) Inlet Outlet other released parameters to be respected Select your department * Agence Allemagne (Deutschland) Agence Occitanie Agence Est Agence Île-de-France Agence Nord Agence Ouest Agence PACA Corse Agence Rhône-Alpes Agence Sud-Ouest Export Your contact details Last name * First name * Position Company * Address Zip code City Phone * Email * Please leave this field empty: * Champs obligatoire