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Site Assessment Work Plan <br /> 1022 Frontage Road,Ripon,California. <br /> CONESTO3A-ROVERS March 7,2008 <br /> &ASSOCIATES <br /> 5.4 Chemical Analysis - <br /> Soil and grab groundwater samples collected during the site assessment activitie�,w ill be analyzed"for / <br /> TPHg by modified EPA Method 8015C, TPHd by modified EPA Method 8015C,TPHmo by modified <br /> EPA Method 8015C, BTEX compounds by EPA method 8021B; and MTBE by EPA Method 8260B. " <br /> Samples will be analyzed by.a California-certified analytical laboratory. _ 7 <br /> 5.5 Investigation Derived'Waste (IDW) <br /> Investigation derived waste (IDW) generated during the site assessment activities will be temporarily <br /> stored onsite in Department of Transportation-approved 55-gallon drums. Following review of analytical <br /> results and disposal profiling,the IDW will be transported to an appropriate facility for disposal/recycling. <br /> i <br /> 6.0 REPORTING. <br /> Upon completing the field activities,CRA will prepare and submit an Additional Site Assessment report to <br /> the SJCEHD detailing the findings of the additional site assessment activities. At a minimum,this report <br /> will(contain: <br /> • The findings of site assessment activities; <br /> Descriptions of the soil boring drilling,methods; <br /> Descriptions of the soil and groundwater sampling methods; <br /> • Figures depicting the lateral extent of the hydrocarbon plume and groundwater flow <br /> direction; <br /> • Tabulated soil and groundwater analytical results; <br /> • Soil boring logs; <br /> 0 Analytical reports and chain-of-custody forms; <br /> • Soil and groundwater disposal.methods; and <br /> • Our conclusions and recommendations. <br /> 7.0 SCHEDULE <br /> Upon receiving written work plan approval from the SJCEFID,CRA will commence implementation of the <br /> work plan. CRA will submit a Site Assessment Report to SJCEHD within approximately 8 weeks <br /> following the receipt of laboratory results. <br /> 9 <br /> Worldwide Engineering,Environmental,Construction,.and IT Services <br /> f <br />