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and placed into the brass tube. Samples were collected from a minimum of 0.5 feet <br /> below the surface of the stockpile. Both ends of the brass tubes were covered with <br /> CTeflon° tape and a fitted plastic cap. The samples were labeled with the date, time, <br /> C site name, sample number, sampler's initials, and the required analyses. The samples <br /> were stored in a chilled, insulated cooler and transported to Pace Analytical <br /> Laboratories in Petaluma, California, within 24 hours for analysis. <br /> C <br /> L The four stockpile samples were composited at the laboratory into one sample and <br /> analyzed for TPH-D using EPA Method 8015 modified, for volatile organic compounds <br /> (VOCs) using EPA Method 8260, for semi-volatile organic compounds (SVOCs) using <br /> EPA Method 8270, for motor oil using EPA Method 418.1 , and for total cadmium, <br /> chromium, lead, nickel, and zinc using EPA 6010\7000 series. The stockpile from the <br /> ditch behind the wash area was also analyzed for 8 RCRA metals, including arsenic, <br /> barium, cadmium, chromium, lead, mercury, selenium, and silver, using the toxicity <br /> characteristic leaching procedure (TCLP), as well as the constituents listed above, to <br /> evaluate the appropriate disposal facility. <br /> L <br /> C <br /> C <br /> IE <br /> L <br /> ! C <br /> C:\MAIN\FMC\5042\FMCRM.DOC 3-2 <br /> n <br /> H�IHYDRO-SEARCH, II IC. A Tetra Tech Company <br />