Underground waste landfills permanent sources of pollution

Abstract

In Romania there are industrial landfills with an underground position, a situation that involves an uncontrolled pollution phenomenon. A significant example is the landfills left over from the exploitation of salt deposits in the „Ocnele Mari” area, Vâlcea County. It consists of a cavern in which a sodium chloride solution remains. The pollution phenomenon is manifested inside by the propagation of the solution in the rock massif with an effect on the stability of the slope. The implosion of the cave causes the rock roof to collapse and the sodium chloride solution to be expelled to the surrounding area. The pollution phenomenon has a disaster character, having a special impact on the natural and social-human environment.