The EIA auditing study was conducted on a sanitary landfill in kuala langat selangor. A sanitary landfill is a site to safely isolate waste from the environment by means of burying until the waste is completely dagraded.This particular landfill is initially built to help resolve the need for secured landfill site due to increasing waste generation within Selangor. The sanitary landfill will also redress the environment degradation problems related with indiscriminate solid waste disposal. All six phases of the landfill is planned for over of shelf life of 25 year and is now in its second year of operation. The landfill encompasses 160 acres of land and it receives approximately 1000 tonnes/day of municipal solid waste from kuala langat, Sepang and Putrajaya. The landfill operates six days a week from 0800 until 1800 hours with limited operating hours on Sundays and public holidays. Internal operating hours for daily soil cover shall extend to about 2000 hours. The operation within the landfill starts off with reception of waste, weighing of waste, unloading the waste into the cell, soil cover and finally leachate treatment.