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1 <br /> r <br /> L• <br /> SITE REMEDIATION PLAN <br /> The County proposes to remediate the soil contamination by <br /> spreading and fertilizing, the contaminated soil to biologically <br /> Cconsume the diesel. Approximately 10 to 12 feet of soil will be <br /> excavated from the bottom of the tank removal site (Figure 1) . The <br /> contaminated soil (about 30 cubic 'yards) will be removed to an <br /> J <br /> impervious layer spreading area at. the top of the Harney Lane <br /> Landfill as shown on the attached drawing (Figure 2) . The soil <br /> will then be spread out in a 2 , 500 square foot area (50 ft. X 50 <br /> ft. ) to a thickness of approximately six inches (Details, Figure <br /> 3) <br /> CA one foot high soil berm with a 15 foot buffer area will be placed <br /> J <br /> around the contaminated soil area. The berm will provide a safety <br /> barrier to unseasonable weather conditions. A warning sign <br /> identifying the spread as, "fuel contaminated soil , " will be <br /> maintained in front of the area at all times. <br /> a <br /> Agriculture fertilizing manure. will be applied to the soil- at a <br /> rate of approximately l pound/sq. ft. (about 1. 5 tons of manure) . <br /> EllThe soil and manure will be worked with landfill equipment to <br /> ensure thorough mixing. Leaves and other organic matter may also <br /> {r4 � <br /> :L be added to the soil to help consume the diesel. <br /> An initial soil sample test willbe taken from the contaminated <br /> 3 1 <br />