he researches regarding the heavy metals contents in Bistra Hydrographic Basin, from Caraş-severin County, demonstrated that, generally, here the values exceed the normal values. Because these values were founded along the Couloir we considered that geogene hypothesis pollution exists. It is known that Ruşchiţa area is a mineralogical area. The pollutant activity of S.C. GAVAZII STEEL S.A. Oţelu Roşu is considered insignificant. If this pollutant activity would exist, the maximum values would be founded about the locality with a reduced tendency towards the valley extremity, fact that does not exist.

geogene pollution; heavy metals; normal value; mineralogic area

Presentation: oral