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I c.ig ETTLER YQNN <br /> November 20, 2003 <br /> G-R Job#386463 <br /> Mr Robert Cochran <br /> Chevron Products Company <br /> P O Box 6004 <br /> San Ramon,CA 94583 <br /> RE: Fourth Quarter Event of October 31,2003 <br /> Groundwater Monitoring & Sampling Report <br /> Chevron Service Station#9-3232 <br /> 8660 Lower Sacramento Road <br /> Stockton,California <br /> Dear Mr Cochran <br /> This report documents the most recent groundwater monitoring and sampling events performed by Gettler-Ryan <br /> Inc (G-R) at the referenced site All field work was conducted in accordance with G-R Standard Operating <br /> Procedure- Groundwater Sampling(attached) <br /> Static groundwater levels were measured and the wells were checked for the presence of separate-phase <br /> • hydrocarbons Static water level data, groundwater elevations and separate-phase hydrocarbon thickness (if <br /> any)are presented in the attached Table 1 A Potentiometnc Map is included as Figure l <br /> Groundwater samples were collected from the monitoring wells and submitted to a state certified laboratory for <br /> analyses The field data sheets for this event are attached Analytical results are presented in the table(s) listed <br /> below A Concentration Map is included as Figure 2 The chain of custody document and laboratory analytical <br /> report are also attached <br /> Please call if you have any questions or comments regarding this report Thank you <br /> Sincerely, <br /> QpOESslp4i <br /> Deanna L Harding "�! <br /> Project Coordinator ,`'vim QG LC FZ <br /> cl:) Z �� <br /> LU N <br /> ��Q Q ' o C 5573 m <br /> f E r, <br /> * xp rQ� <br /> Hagop Kevork <br /> P E No C55734 <br /> Figure i Potentiometric Map OF CAO" <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 /> Chain of Custody Document and Laboratory Analytical Reports <br /> 6747 Sierra Court, Suite J - Dublin, CA 94568 - (925) 551-7555 - Fax (925) 551-7888 <br /> 3140 Gold Camp Drive, Suite 170 - Rancho Cordova, CA 95670 - (916) 631-1300 - Fax (916) 631-1317 <br /> 1364 N McDowell Blvd , Suite B2 • Petaluma, CA 94954 - (707) 789-3255 - Fax (707) 789-3218 <br />