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ATTACHMENT A <br /> FIELD`AND LABORATORY PROCEDURES <br /> Soil Sampling <br /> Soil samples will be collected by advancing 2-inch-diameter brass sample .liners into <br /> undisturbed soil, or soil removed from an excavation by a backhoe bucket. Soil samples <br /> for chemical analysis will be retained in the brass liners, labeled, and capped with Teflon <br /> sheets and plastic end caps. The samples will then be sealed in zip-lock bags, placed on <br /> ice, and transported to the laboratory accompanied by the appropriate chain-of-custody <br /> documentation. <br /> Soil Sampling for Stockpiled Soil <br /> Soil samples will be collected by advancing 2-inch diameter brass sample liners <br /> approximately six inches to one foot into the soil stockpile. One composite sample will be <br /> collected per approximately 100 cubic yards of soil. Soil samples for chemical analysis <br /> will be retained in the brass liners; labeled; and capped with Teflon sheets and plastic end <br /> caps. The samples will then .be sealed in zip-lock bags; placed on ice, and transported to <br /> the laboratory accompanied by the appropriate chain-of-custody documentation. <br /> Laboratory Analysis of Soil Samples, <br /> Analysis for TPH-g will be performed by modified EPA .method 8015. Analysis for <br /> benzene, toluene, ethylbenzene xylenes, and MtBE'will be .performed by EPA Method <br /> 8020. Lead analysis will be performed by.EPA Method 6010. <br />