Kemakta is an independent, personnel-owned consulting company specialising in environmental risk assessment, waste disposal and nuclear waste management. Kemakta has been performing analyses of the dispersion of contaminants in ground, air and water since 1975, with an initial and continuing focus on the disperson of radioactive substances from repositories for nuclear waste. Kemakta’s knowledge of environmental chemistry, hydrology and physical processes has also been applied to a wide range of environmental impact assessments, e.g. for mine tailings deposits, coal ash, industrial wastes, contaminated land, contaminated sediments and new industrial establishments.