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of moisture to reduce the fire potential. If,during the hot weather season there is <br /> excessive drying of green materials, a water truck will be available to wet the material. <br /> The ground green materials, at a minimum will have moisture applied every seven days. <br /> 4. Compactability of the material. <br /> The ground green materials should provide better and/or equal properties as soil. Green <br /> material has been successfully demonstrated as suitable ADC for ongoing use at five <br /> landfills. At Yolo County Central Landfill, compactability and permeability issues <br /> are inconclusive, however,the project has received final approval. Based on <br /> information received from the Yolo County project, shredded green material should <br /> compact at a rate of 1000-1200 pounds per cubic yard. <br /> 5. The ability of the material to control the emergence,attraction, or harborage of <br /> vectors. <br /> Flies, mosquitos, and other insects(such as wasps)will not readily pass through one <br /> foot of ground green material,thus they cannot emerge from or enter into the garbage <br /> that has been covered. Vector breeding areas and animal attraction-performance <br /> standard testing procedures will be strictly followed to determine vector emergence, <br /> harborage,pursuant to Title 14 of the California Code of Regulations, Section 17683(a). <br /> A comparison of the properties of the alternative cover material with the corresponding <br /> properties of the soil and the geothermal blanket that have been used at the site for daily <br /> cover is shown in Table 1. <br /> Table 1: Comparison of Alternative Cover to Soil and Geotextile blanket <br /> ]PROPERTY SOIL BLANKET GREEN MATERIALS <br /> Hazardous/pathogenic nature of None Will melt or tear None <br /> the material. <br /> Field permeability after Approximately 1.0 X Zero permeability Natural water repellent, <br /> application and compaction. 10-6 at maximum over covered will shed water. <br /> compaction(laboratory area. <br /> test,field conditions <br /> will not achieve this <br /> permeability). <br /> Resistance to heat and fire after Clay soil does not burn, Will melt or tear Burning characteristics <br /> application and compaction. will smother flame. exist.Holding time of 72 <br /> hours prior to <br /> application reduces fire <br /> risks. <br /> Compatibility of the material. Clays are compactible. N/A Shredded green material <br /> is compactable. <br /> The ability of the material to Vectors can emerge Vectors can Reduces odors,prevents <br /> control the emergence, from or enter into the emerge from or litter blow-away. <br /> attraction,or harborage of waste through soil. enter into the Vectors can emerge <br /> vectors. waste between from or enter into waste <br /> the blanket. through the ground <br /> green material. <br /> 5 <br />