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' 0 <br /> ATTACHMENT B <br /> ' FIELD AND LABORATORY PROCEDURES FOR SOIL SAMPLING <br /> ' Soil Sampling <br /> Soil samples were collected by advancing 2-inch-diameter brass sample liners into undisturbed soil, or <br /> ' soil removed from an excavation by a backhoe bucket. Soil samples for chemical analysis were retained <br /> in the brass liners, 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 the appropriate <br /> ' chain-of-custody documentation. <br /> Soil Sampling from Stockpiled Soil <br /> Soil samples were collected by advancing 2-inch diameter brass sample liners into the soil stockpile, after <br /> removing approximately 6 inches to 1 foot of surface material in the sample location. One composite <br /> sample (four sleeves to 1 sample) was collected per approximately 100 cubic yards of soil. Soil samples <br /> for chemical analysis were retained in the brass liners,labeled, and capped with Teflon sheets and plastic <br /> end caps. The samples were then sealed in zip-lock bags,placed on ice, and transported to the laboratory <br /> accompanied by the appropriate chain-of-custody documentation. <br /> Laboratory Y P Analysis of Soil Samples <br /> ' UST samples were analyzed for TPHg,benzene,toluene,ethylbenzene, xylenes(BTEX compounds),and <br /> MtBE by EPA Method 8015/8020, fuel oxygenates by EPA Method 826013. Stockpiled soil samples <br /> were analyzed for TPHg, BTEX, and MtBE by EPA Methods 8015/8020, and total lead (wet) by EPA <br /> Method 601013. <br />