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VlN } <br /> A M B R I A <br /> CONCLUSIONS <br /> The groundwater analytical data for this sampling event indicate that current levels of gasoline <br /> constituents in the groundwater are within the historical norm for this site Groundwater flow <br /> direction in the shallow zone was towards the middle of the site The groundwater flow direction <br /> in the deeper zone was variable across the site, but generally southerly to southeasterly The <br /> vertical gradient was upward to the vicinity of wells S-1 and S-4 and downward in the vicinity of <br /> wells S-2 and S-3 <br /> CLOSING <br /> If you have any questions regarding the contents of this document, please call Joe Neely at <br /> (707)933-2361 <br /> Sincerely, <br /> Cambria Environmental Technology, Inc <br /> r <br /> Lisa Summers <br /> Staff Scientist <br /> QED G'E <br /> it <br /> Joe W Neely,RG O �.4 <br /> Senior Project Geologist <br /> RG 6927 No 6927 ° <br /> Attachments OF <br /> Figure 1 Site Vicinity/Sensitive Receptor Survey Map <br /> Figure 2 Shallow-Zone -Groundwater Contour/Chemical Concentration Map <br /> Figure 3 Deeper Zone -Groundwater Contour/Chemical Concentration Map <br /> Appendix A Blaine Tech Services,Inc -Groundwater Monitoring Report <br /> _ ---_ - - cc Ms Karen Petryna, Shell--_ - _- _---- -_-_ - - —_ -- - — __-- ---_- _- - - _- <br /> Mr James Barton, Central Valley Regional Water Quality Control Board <br /> I <br /> 0797 2 <br />