The aim of the thesis was to assess the proposed action, the asphalt mixtures forenvironmental cadastre city Krupina. It identified two locations within the cadastre.Important in the development work was to familiarize with technology reactor unit andits negative impacts on the environment as well as familiarity with the natural conditionsin the land of the city Krupina and in two selected locations. The result of the comparison of the environmental impact was one locality to which asphalt mixturesaffects less harmful to the environment.