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D <br /> San Joaquin Workplan <br /> EPA Method 503.1 or 602/8020 for BTEX <br /> EPA Method 8015 (modified) for Total Petroleum Hydrocarbons <br /> as gasoline <br /> The laboratory analyses will be focused on the detection of compounds <br /> commonly associated with gasoline. <br /> 5.5 ,DECONTAMINATION <br /> R <br /> Between sampling attempts, the sampler will be disassembled and washed in <br /> a trisodium phosphate (TSP) solution, rinsed twice with purified water and <br /> reassembled with brass rings to minimize the potential of spreading contami- <br /> nants among samples, if any were present. <br /> 5.6 DRILLING SPOILS <br /> ' Auger cuttings from the drilling operation will be placed in drums and retained <br /> on-site.The results of chemical analysis will be used to evaluate the appropriate <br /> disposal of any contaminated auger cuttings by CNP. <br /> 6.0 PROJECT SCHEDULE <br /> Augeas Corporation is prepared to begin this study on February 25, 1992.It is <br /> estimated that the proposed scope of services will require approximately three <br /> to six weeks to complete. <br /> Project Number: JOAQ22192 <br />