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<br />Jeff Alexander <br />September 20, 2004 <br />Page 9 <br /> <br /> prevents precipitation from infiltrating into landfill after <br /> closure. <br /> A gas collection system is installed in the landfill using <br /> perforated vertical (wells) and horizontal pipes to prevent <br />Gas Collection System methane and other trace organic gases from escaping. <br /> The gas is extracted under vacuum and pumped to a <br /> destruction devise such as a flare or energy utilization <br /> facilitv. <br /> A network of storm water drainage channels are installed <br /> on and around the landfill to collect precipitation and collect <br />Surface Water Control it rainwater retention pond. The storm water collection <br />System system controls erosion on the cap and adjacent areas to <br /> prevent surface water contamination. <br /> A comprehensive environmental monitoring system is <br />Monitoring System installed around the landfill to ensure that the liner system <br /> and gas collection system is operating properly and human <br /> health and the environment are protected. <br /> <br />. <br /> <br />. <br /> <br />. <br />