Hazardous waste landfill site selection in khorasan razavi province northeastern Iran

Abstract

The disposal is the final step of any hazardous waste management plan An inappropriate landfill site may have negative environmental economical and ecological impacts Therefore landfills should be sited carefully by taking into account various rules regulations factors and constraints In this study candidate sites for hazardous landfills in the northeastern Khorasan Razavi province are determined using the integration of geographic information system and landfill susceptibility zonation methods For this the inappropriate areas were first removed fromthe model and the suitability of remaining regions were evaluated using 15 different criteria in two steps With this done nine candidate sites were selected as the most suitable locations Finally the selected landfill sites were proposed based on environmental impact assessment (Leopold matrix) and economical studies This study shows that Maasumabad Kheirabad Mayamey and Yonsi are the best locations for the constitution of landfill in Khorasan Razavi province respectively