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VII. Glossary and Acronyms <br /> and separation. Applications include improving soil bearing capacity and slope stabilities <br /> (woven),preventing fine particles from entering the LCRS,padding for gravel placed above a <br /> FML,and increased slope stabilities for FMLs(non-woven). <br /> Groundwater: water below the land surface. <br /> Hazardous Wastes: wastes that pose a hazard to human health or the environment due to their <br /> flammability,corrosiveness,reactivity,or toxicity to living things. <br /> HDPE(High Density Polyethylene): plastic material commonly used in Flexible Membrane <br /> Liners(FMLs). <br /> Heavy Metals: elements including cadmium,mercury,lead, and arsenic which tend to <br /> accumulate in the food chain. <br /> Incinerator: a facility that burns waste(usually MSW,but also hazardous waste)for the <br /> purpose of volume reduction. <br /> Intermediate Cover: cover material that is applied on areas where additional cells are not to be <br /> constructed for extended periods of time, and therefore,must resist erosion for a longer period of <br /> time than daily cover. <br /> Land Application: the application of ash, sludge or sludge products such as compost to <br /> agricultural and nonagricultural lands. Agricultural lands include land used for food crops,feed <br /> crops,range,and pasture lands. Nonagricultural lands include forest,reclaimed or disturbed <br /> lands, and lands with potential public contact such as ball fields and golf courses. Land <br /> application is a disposal alternative to landfilling. <br /> Leachate: liquid that has come in contact with or percolated through waste materials and has <br /> extracted or dissolved substances therefrom. <br /> LCRS (Leachate Collection and Removal System): a drainage layer directly above the bottom <br /> liner and a series of perforated pipes that convey leachate to a central collection point where it <br /> can be properly managed. <br /> VII.4 <br />