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` • 40 <br /> 07 May 2002 <br /> AGE-NC Project No. 98-0466 <br /> Page 16 of 16 <br /> 8.5. SOIL STOCKPILES <br /> As mentioned above, the soil stockpile area contains soil generated during excavation of the north <br /> and south bum pits as well as soil generated during excavation of the former teepee structure. Soil <br /> piles were segregated at the time of excavation. A map prepared by Stockton Service Station <br /> Equipment illustrating the location of segregated soil piles is included as Appenidix A. <br /> 8.5.1. Bum Pit Soil Stockpiles <br /> Soil samples collected from soil piles generated during excavation of the north and south bumpits <br /> will be analyzed for: <br /> • Total nickel, copper,lead,zinc, arsenic and chromium by EPA thods 7521, 7421, 289.2, <br /> 7061, 7190, respectively, using a WET method with DI water; <br /> • Formaldehyde by EPA Method 8315 using a WET Method with DI water; <br /> • TRPH by EPA Method 418.1 using a WET Method with DI wal er; and <br /> • VOCs, including PCE and TCE, by EPA Method 8260 using a WET Method with DI water. <br /> 8.5.2. Former Teepee Structure Stockpiles <br /> Soil samples collected from the soil piles generated during excavation of the former teepee structure <br /> will be analyzed for: <br /> • Total nickel, copper, lead, zinc, arsenic and chromium by EPA Methods 7521, 7421, 289.2, <br /> 7061, 7190, respectively, using a WET Method with DI water; and <br /> • VOCs,including PCE and TCE,by EPA Method 8260 using a WET Method with DI water. <br /> 9.0. REPORT PREPARATION <br /> Upon completion of all field work, a report will be prepared sg results of the work <br /> performed. The report will be in a format acceptable to the RWQCB and ill be reviewed and signed <br /> by a California Registered Geologist. <br /> Advanced GeoEnvironmental,Inc. <br />