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1 ' <br /> • Groundwater shall be extracted from the wells via a new, disposable bailer Analytical samples shall <br /> be decanted immediately after collection into appropriate sample containers and chilled for delivery <br /> to the laboratory The samples shall be accompanied by chain-of-custody documentation <br /> The groundwater samples shall be analyzed by an appropriately certified laboratory <br /> u TPHg and TPHd by EPA Method modified 8015/DHS LUFT Manual, <br /> 1 o BTEX and MTBE by EPA Method 8260 <br /> C Data Evaluation and Documentation <br /> A report shall be generated documenting actions, methods, results and determinations of the work <br /> described in this workplan Results of the work shall be discussed with analytical data presented in <br /> tabular format Additionally, discussion of conclusions and recommendations derived from the data <br /> shall be presented <br /> The following figures may (if appropriate) be included in the report site map, soil boring and <br /> monitoring well location map, groundwater potentiometric map and hydrogeologic cross section <br /> Additionally, the following items may(if appropriate)be included in the report permits, boring/well <br /> logs, well development data, soil and groundwater sampling records, chain-of custody documentation <br /> and laboratory data sheets <br /> r • The results of the groundwater investigation shall be documented in a technical report The report <br /> shall contain discussions of the actions, methods, results and determinations of tasks outlined in this <br /> workplan Analytical data shall be discussed and summarized in a tabular format The following <br /> figures and supporting documentation shall be included in the report site map, hydrogeologic cross <br /> section, groundwater elevation contour map, well Iogs and construction details, well development <br /> records, groundwater sampling records, chain-of-custody forms and laboratory data sheets <br /> VI SCHEDULING <br /> The implementation of this work plan shall proceed with all due haste upon approval by the local LIA <br /> and the CVRWQCB The project is expected to be require four to six weeks to complete depending, <br /> in part, on drilling subcontractor availability and analytical turn-around time <br /> Respectfully submitted, <br /> GEOTECHNICAL RESEARCH AND DEVELOPMENT <br /> Rexford Smith <br /> . Registered Geologist No 5307 <br /> t <br /> WORKPLAN FOR LIMITED SOIL AND GROUNDWATER INVESTIGATION <br /> SUNNYSIDE PRODUCE, THORNTON, CALIFORNIA PAGE 4 <br />