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Work Plan—Soil Boring installation Page 3 <br /> Boudanes Property <br /> Project 422.2 <br /> February 19, 2004 <br /> containers for later recycling by a licensed hazardous waste hauler. No soil <br /> cuttings will be generated during the Geo-Probe drilling process. <br /> 2.1.3 Groundwater Sample Collection & Analysis <br /> Groundwater samples will be collected using the Geo-Probe's groundwater <br /> sampling device. This consists of a four-foot long hollow rod fitted with a drive <br /> point, which is attached to the end of the Geo-Probe stem. This rod is driven up <br /> to four feet into groundwater and retracted to expose the stainless steel screen <br /> inside of the device. <br /> Groundwater samples will be obtained by oscillating a clean dedicated section of <br /> Teflon tubing fitted with a check valve inserted inside of the hollow stem of the <br /> Geo-Probe. This causes groundwater to rise to the surface. Samples will be <br /> collected in 1-liter amber glass bottles and 40-mm VOA vials. Each sample <br /> container will then be labeled and placed into an ice chest chilled to 4°C to await <br /> transport to the laboratory under chain of custody protocol. <br /> It is anticipated that three groundwater samples submitted for analysis as <br /> follows: <br /> • Total Extractable Petroleum Hydrocarbons (TEPH) by EPA method <br /> 8015(m)/3510 (water) <br /> • Total gasoline range Petroleum Hydrocarbons (TPH-G) by EPA method <br /> 8015(m)/5030 <br /> • Total Benzene, Toluene, Ethylbenzene, and Xylene (BTEX) and the <br /> gasoline oxygenate, MTBE by EPA method 602. <br /> Compound TPH TEPH BTEX MTBE 602) <br /> Detection Limit 50 50 0.3 2.0 <br /> Units /L /L /L /L <br /> 2937 Veneman Avenue, Suite B240 Geo-Phase Environmental Inc. Phone: (209)569-0293 <br /> Modesto, Ca 95356 Fax: (209) 569-0295 <br />