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Work Plan—Soil Boring Instaiiation Page 3 <br /> Wagner Land Company Property <br /> Project 301.2 <br /> June 13, 2001 <br /> 2.2 Sampling and Analyses <br /> 2.2.1 Soil Sample Analysis <br /> The soil sample collection procedure will be as follows. Upon retrieval, the end of each <br /> plastic sample tube removed from the coring device and possibly submitted for laboratory <br /> analysis will be sealed with Teflon sheets, capped with plastic end caps, secured with tape, <br /> labeled and placed in a cooler at 4° Celsius for transport to the laboratory using Chain of <br /> Custody protocol. Chain of Custody (CofC) forms are documents used to track the handling <br /> of samples. All dates, times, persons and companies handling the samples were listed from the <br /> time the sample was collected to its ultimate disposal. <br /> All sampling equipment will be thoroughly steam cleaned before and between uses. Drilling <br /> steam clean water will be containerized in appropriate DOT containers for later recycling by a <br /> licensed hazardous waste hauler. No soil cuttings will be generated during the Geo-Probe <br /> drilling process. <br /> If no field evidence is found to suggest contamination is present, there will be no initial <br /> laboratory analysis of the soil samples. They will be held pending results of the groundwater <br /> analysis (see below). <br /> 2.2.2 Groundwater Sample Collection & Analysis <br /> Groundwater samples will be collected using the Geo-Probe's groundwater sampling device. <br /> This consists of a four-foot long hollow rod fitted with a drive point, which is attached to the <br /> end of the Geo-Probe stem. This rod is driven four feet into groundwater and retracted to <br /> expose the stainless steel screen inside of the device. <br /> Groundwater samples will be obtained by oscillating a clean dedicated section of Teflon <br /> tubing inserted inside of the hollow stem of the Geo-Probe. This causes groundwater to rise <br /> to the surface. Samples will be collected in 1-liter amber glass bottles and 40-mm VOA vials. <br /> Each sample 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 /> 2937 Veneman Avenue, Suite B240 Geo-Phase Environmental Inc. Phone: (209) 569-0293 <br /> Modesto, Ca 95356 Fax: (209) 569-0295 <br />