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i <br /> ATTACHMENT B <br /> FIELD AND LABORATORY PROCEDURES <br /> Soil Sampling <br /> Soil samples were 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 were retained in the brass liners, labeled, and capped with Teflon <br /> sheets and plastic end caps The samples were then sealed in zip-lock bags, placed on ice, <br /> and transported to the laboratory accompanied by the appropriate chain-of-custody <br /> documentation <br /> Soil Sampling for Stockpiled Soil <br /> • Soil samples were collected by advancing 2-inch diameter brass sample liners into the soil <br /> stockpile, after removing approximately 6 inches to 1 foot of surface material In the <br /> sample location Soil samples for chemical analysis were retained in the brass liners, <br /> labeled, and capped with Teflon sheets and plastic end caps The samples were then <br /> sealed in zip-lock bags, placed on ice, and transported to the laboratory accompanied by <br /> the appropriate chain-of-custody documentation <br /> Laboratory Analysis of Soil Samples <br /> Analysis for TPH-g was performed by EPA Method 8015 Analysis for benzene, toluene, <br /> ethylbenzene, xylenes (BTEX compounds), and MtBE were performed by EPA Method <br /> 8020 Fuel oxygenates were performed by EPA Method 8260 Analysis for lead was <br /> done using EPA Method 6010 <br /> 077 41821 003/pull December 10,1999 <br />