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AAA BRIA <br /> Site Investigation Activities- Cambria will prepare a site investigation report documenting the <br /> installation of three wells, eight soil borings, offsite source research, and interim remediation <br /> activities This report will also include an updated site conceptual model <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 variable across the site at a shallow gradient The groundwater <br /> flow direction in the deeper zone was generally easterly to southeasterly The vertical gradient <br /> was downward <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 /> Susan Lukaszewicz <br /> Staff Geologist O�S'��QH W IGC <br /> Joe W Neely,RG G NO 6927 <br /> Senior Project Geologist <br /> RG 6927 <br /> Attachments <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/Chemmcal 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 /> 0797 2 <br />