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Mr. Clint Rogers 31-0308 <br /> . July 22, 1992 <br /> Page 2 <br /> SAMPLING AND ANALYTICAL RESULTS <br /> The results of the monitoring and laboratory analyses of <br /> ground water samples for this quarter, as well as the results <br /> of previous monitoring and sampling events, are summarized in <br /> Table 1. Based on the previous wellhead elevation survey data <br /> and depth to water measurements collected during this <br /> monitoring event, ground water elevations and the general <br /> ground water gradient direction at this site are presented in <br /> Figure 2. <br /> No liquid-phase hydrocarbons or sheen were observed in any of <br /> the ground water samples. The official laboratory reports and <br /> chain of custody records are included in Appendix A. <br /> Please call Todd B. Pearson at (510) 734-8134 if you have any <br /> questions regarding this report. <br /> Sincerely, <br /> • ALTOONN GEOS NCE, <br /> � C <br /> Todd B. Pearson <br /> Staff Scientist <br /> Robert E. Logan R. G. 5088 <br /> Manager, Northern California Operations <br /> wp94275tp <br />