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' M. Scott Mansholt—CEMC <br /> Second Semi-Annual 2008 Groundwater Monitoring and Sampling Report September 26,2008 <br /> Vernalis Pump Station Page 7 of 7 <br /> 1 may be completed. These regulatory approval letters and the groundwater analytical <br /> results map6 which encompasses both sites are included in Attachment C. <br /> • After submitting the HHSE, SAIC will prepare separate no further action required request reports <br /> for the site and Vernalis Offsite(Bogetti). <br /> CLOSING <br /> If you have any questions regarding this report, please call Caryl Sheehan at (916) 979-3836. <br /> Sincerely, <br /> SCIENCE APPLICATIONS INTERNATIONAL CORPORATION <br /> Andrew B. Smith Caryl San, P.G. 6620 G <br /> Project Scientist Senior iject Manager c, �� .n <br /> C�-SONA <br /> Enclosures: a SHEEN <br /> Na <br /> Figure 1. Vicinity Map <br /> Figure 2. Site Map i,� E►N�'�` r' <br /> Figure 3. Potentiometric Surface Map—July 2008 <br /> Figure 4. Potentiometric Surface Map—April 2008 q OF CAS <br /> Figure 5. Petroleum Distribution in Groundwater—July 2008 <br /> Figure 6. Petroleum Distribution in Groundwater—April 2008 <br /> Table 1. Groundwater Elevation Data and SPO Thickness Measurements <br /> Table 2. Groundwater Analytical Results(TPH,BTEX,and MTBE) <br /> Table 3. Groundwater Analytical Results (PAHs) <br /> Table 4. Monitoring Well Construction Details <br /> ' Attachment A. Field Data Sheets <br /> Attachment B. Data Usability Summary and Laboratory Analytical Reports (July 2008 and May 2008 <br /> Data) <br /> Attachment C. RWQCB Soil and Groundwater Investigation Report Review Letters dated 9/20/06 and <br /> 7/28/08; and Figure 3: Groundwater Analytical Results Map from Soil and Groundwater <br /> Investigation Report, Vernalis Offsite, 6/25/08 <br /> i <br /> 6. SAIC,2008. Soil and Groundwater Investigation Report, Vernalis Offsite, Vernalis, California. June 25. <br />