“…There are different types of criteria to select the convenient landfill site, but the current study employed two major groups, ecological criteria (geology, the faults, population centers, land use, surface water, groundwater, and conserved areas) and economical criteria (roads and slopes) to select the most suitable place based on the available data and previous researches (9,14,16) Each criterion was prepared as a map from different sources. The land use map, prepared by the natural resources organization of Khorasan Razavi province, then it was digitized and converted to raster format in spatial analyst tool in the ArcGIS term system.…”