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To achieve adequate waste compaction, the active working face is sloped at <br /> approximately 3:1 (horizontal:vertical) or flatter. The working face is covered <br /> daily with at least 6 inches of cover soil or a permitted alternative daily cover <br /> material. The top surface and sides of the advancing lift are covered with a layer <br /> of soil at least one foot thick when wastes are not scheduled to be placed within <br /> 180 days. <br /> 6.4.4 DAILY COVER <br /> The top and inactive sides of the cells are covered with at least 6 inches of <br /> compacted clean soil in a continuous operation as they are completed. The <br /> active, working face is covered with a minimum of 6 inches of daily cover. The <br /> daily cover is obtained from onsite stockpiles (see Site Plan, Drawing 2) or <br /> excavations (see Base Grading Plan, Drawing 3), or recovered from on-site <br /> alternative daily cover operations (such as treated soil and low-contaminant-level <br /> untreated soil). The daily cover soil placement satisfies the regulatory cover <br /> requirements for the control of vectors, odor, fire, water infiltration and erosion, <br /> and for preventing unsightliness. The operations manager is responsible for <br /> directing the placement of cover soil at the end of each working day. <br /> 6.4.5 INTERMEDIATE COVER <br /> A minimum of 12 inches of intermediate cover obtained from onsite excavations <br /> or stockpiles will be placed and vegetated on all landfill areas that will not be <br /> receiving additional wastes for at least 180 days. The thickness of the soil cover <br /> will be controlled by evenly spreading a volume of soil, corresponding to a 1- <br /> foot-thick layer, over a defined refuse fill area. A map depicting areas that have <br /> received intermediate cover will be maintained by the operations manager. The <br /> intermediate cover soils are the same as the daily cover soils and meet the <br /> regulatory requirements for control of vectors, fire, odor, water infiltration, <br /> erosion, and the prevention of unsightliness. <br /> 6.4.6 ALTERNATIVE DAILY COVERS <br /> The following ADCs are currently used at the site: ash and cement kiln dust, <br /> treated and processed auto shredder residue (TASR), construction and <br /> demolition wastes, shredded tires, compostable materials (off-spec, delivered by <br /> Forward Landfill JTD 6-7 <br /> ):\Allled\ForwarcNTD Amendment\March 2006 JTD-LEA Resp\JTD\JTD Sec 6 Rev.doc: <br /> 5/22/02;Rev.1:7/2002:Rev.2:4/2003;Rev 3:6/2003;Amendment No.1:5/22/2006 <br />