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The analytical results for the samples collected on 24 August are presented in boldface type in <br /> Table 1, along with previous data The laboratory analytical report and chain-of-custody <br /> documentation are included as Appendix B <br /> Detectable concentrations of petroleum hydrocarbons in the samples ranged from SS Q� <br /> (MW5) { <br /> to 100,000,uglL (RW3) for TPH-g For benzene, they ranged from 6 2µglL(P2) to <br /> 9,600µg/L(RW3) The concentration of TPH-g in the sample collected from MWS, located <br /> adjacent to the Shell service station and upgradient of the site, was 65,000 ,ug/L Groundwater <br /> sample analytical results are indicated in Figure 1 <br /> The soil vapor extraction and air sparging system operated continuously through the quarter <br /> Influent and effluent vapor concentrations from monthly self-monitoring are shown in Table 2 <br /> 3. WORK PROPOSED FOR NEXT QUARTER <br /> Groundwater elevations will be measured, and groundwater samples will be collected in <br /> November 1995 The samples will be analyzed for TPH-g and BTEX The soil vapor extraction <br /> and air sparging system will continue to be operated and its progress monitored <br /> r <br /> i <br /> r <br /> WP61 73942QS95 3 2 <br />