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4°C for transport to a state-certified labOratOrY for analysis. Each sample will be <br /> recorded on a chain-of-custody farm for submittal to the laboratory. <br /> Soil and gra mdwaber samples will be analyzed by a state-ej� laboratory for <br /> the followir4l, <br /> • Total petroleum hydrocarbons as gasoline (TPH-G) using EPA <br /> Methods 560/8015 <br /> • Benzene, toluene,ethyl avene, and total xylenes M TEX) Using EPA <br /> Methods 5030/8MO <br /> • Total Lead using EPA Method 6010 <br /> Task 3: Sam le S fled and Excavated Soil <br /> underground storage tank backfill and any overexcavated soil will be stockpiled <br /> onsite. Efforts will be made to segregate variowi materials and varying <br /> corto.ntratiom of hydrocarbon-impacted soil, if any. The stockpiles will be <br /> sampled and analyzed to comply with the requirements of the appropriate <br /> disposal facility. <br /> Task 4: Prepare REport <br /> A report presenting the findings and observations during the above activities wig <br /> be submitted to Tosco Northwest Company, and will include the results of soil <br /> sampling and analysis. A site plan showing the locations of the former tanks <br /> and piping, excavation area, stockpiled soil, and nearby buildings wil <br /> tl also be <br /> prepared and included in the report. <br /> �vr�si�Pxo�os�+s��a�rre 2 <br />