This preliminary study focuses on three abandoned sites, located in the communes of Temuco, Villarrica, and Lonquimay, Araucanía Region, Chile. Two sites were classified as illegal landfills one was a former landfill. Seventy-three surface samples taken, which 32 from site S1, 20 S2, 21 S3. The objectives this (1) to establish background values trace metals present soils through different stati...