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• <br /> water sample. Field parameters and purged volumes are shown on well purge logs included in <br /> Appendix I. <br /> Prior to the fourth quarter groundwater monitoring and sampling, a product sample was <br /> collected from monitoring well MW-2 on November 13, 1995. <br /> LABORATORY ANALYSIS <br /> Collected groundwater samples were placed on ice and transported under chain-of-custody <br /> protocol to state-certified Argon Mobile Labs in Ceres, California (DOHS Certification No. <br /> 1873). Samples were analyzed for total petroleum hydrocarbons as gasoline (TPHg), benzene, <br /> toluene, ethylbenzene, and xylenes (BTEX) by EPA methods 8015 modified and 8020, <br /> respectively. Analytical results are presented in Table 2. In addition, the product sample was <br /> submitted under chain of custody protocol to state-certified Sequoia Analytical of Redwood <br /> City, California for a fuel fingerprint using EPA Method 8015 The product sample was <br /> identified as weathered diesel fuel Laboratory data sheets and chain of custody documentation <br /> are included as Appendix II. <br /> FUTURE ONSITE WORK <br /> • <br /> During first quarter 1996 Smith Environmental will perform the field work to further <br /> delineate the extent of soil contamination onsite With the approval of PHS/EHD, additional <br /> soil borings will be drilled in accordance with a workplan previously-submitted to PHS/EHD <br /> I <br /> %134MARILWQR 1"51= <br />• <br /> • <br /> SMTN <br />