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r <br /> 43 GETTLER - RYAN INC. <br /> December 19, 2001 <br /> G-R Job#180288 <br /> Mr Edward C Ralston <br /> Phillips 66 Company <br /> 1380 Lead Hill Road, Suite 120 <br /> Roseville, California 95661 <br /> RE: Fourth Quarter Event of November 9, 2401 <br /> Groundwater Monitoring & Sampling Report <br /> Tosco (Former BP) Service Station#11192 <br /> 1403 Country Club Boulevard <br /> Stockton, California <br /> Dear Mr Ralston <br /> This report documents the most recent groundwater monitoring and sampling event performed by Gettler-Ryan Inc <br /> (G-R)at the referenced site All field work was conducted in accordance with G-R Standard Operating Procedure <br /> -Groundwater Sampling (attached) <br /> Static groundwater levels were measured and all wells were checked for the presence of separate-phase <br /> hydrocarbons Separate-phase hydrocarbons were not present in the wells Static water level data and groundwater <br /> elevations are summarized in Table i A Potentiometnc Map is included as Figure l <br /> f Groundwater samples were collected from the monitoring wells as specified by G-R Standard Operating Procedure <br /> -Groundwater Sampling(attached) The field data sheets are also attached The samples were analyzed by Sequoia <br /> Analytical Analytical results are summarized in Tables l and 2 A Concentration Map is included as Figure 2 <br /> The chain of custody document and laboratory analytical reports are also attached <br /> Sincerely, <br /> w <br /> v� ! <br /> Deanna L Harding BRED GEG <br /> Protect Coordinator J 0C�� <br /> F <br /> No. X882 <br /> Doug] J e d, <br /> Senior eologist, R G No 6882 <br /> �i pF <br /> Figure 1 Potentiometric Map C <br /> Figure 2 Concentration Map <br /> Table 1 Groundwater Monitoring Data and Analytical Results <br /> Table 2 Groundwater Analytical Results -Oxygenate Compounds <br /> Attachments Standard Operating Procedure-Groundwater Sampling <br /> . Field Data Sheets <br /> 11192-qml Chain of Custody Document and Laboratory Analytical Reports <br /> 6747 Sierra Court , Suite J Dublin , California 94568 ( 925 ) 551 - 7555 <br />