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0 <br /> LEACHATE <br /> The spray/evaporate method of leachate disposal will be used during <br /> dry weather periods. Leachate will be pumped from the sump and <br /> sprayed over the lined portion of the landfill. Leachate will not <br /> be applied in quantities sufficient to allow percolations <br /> During wet weather, leachate will be filtered to remove the <br /> contaminants. The County has purchased a water filtration system <br /> for use on leachate. The system is called the eliminator 1000 and <br /> is made by Alkota Cleaning Systems, Inc. . The eliminator consists <br /> of membrane modules that separate the contaminates from the water. <br /> The filter used is activated carbon. This system will filter <br /> approximately 1, 000 gallons per 24 hours. As presented in the <br /> Interim Leachate Disposal Plan submitted on March 11, 1992 , the <br /> HELP (Hydrologic Evaluation of Landfill Performance) computer model <br /> was used to estimate leachate generation at the North County <br /> Recycling Center and Sanitary Landfill. HELP provided estimates of <br /> leachate generation for a period of 5 years during the active life <br /> of modules 1 and 2 . Three runs were conducted varying the waste <br /> layer thicknesses. <br /> In the most extreme case where initial moisture content of waste <br /> was assumed to be saturated, average annual leachate of <br /> approximately 151, 000 gallons was predicted by the HELP model. <br /> Assuming all of the leachate was produced during a 5 month period, <br /> the daily leachate production would be approximately 1000 gallons. <br /> 5 <br />