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INC.0 VI GETTLER - RYANN <br /> December 3, 2003 <br /> G-R Job#386855 <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 29,2003 <br /> Groundwater Monitoring& Sampling Report <br /> Former Chevron Service Station#9-8632 <br /> 575 Grant Line Road <br /> Tracy, California <br /> Dear Mr Cochran <br /> This report documents the most recent groundwater monitoring and sampling event 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) A Joint groundwater monitoring event was conducted with <br /> Tosco (Former BP 011) Service Station#11194, located at 2375 Tracy Boulevard and Unocal (Former Scotty's) <br /> Service Station, located at 574 West Grant Line Road, Tracy, California <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 Joint groundwater monitoring data is presented in Tables 3 and 4 A <br /> Potentiometric Map is included as Figure 1 <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 /> 4�er.� , QPpFESS/0y <br /> Deanna L Harding p P S S q� <br /> Project Coordinator � (j� LO F <br /> No C 5573 m <br /> Hao Kevork * Exp 1 - <br /> P No C55734cJ' <br /> �9T ClVll,. <br /> Figure 1 Potentiometric Map F OF 0 AO- <br /> Figure 2 Concentration Map <br /> Table 1 Groundwater Monitoring Data and Analytical Results <br /> Table 2 Groundwater Analytical Results <br /> • Table 3 Joint Groundwater Monitoring Data-Tosco(Former BP Oil) <br /> Table 4 Joint Groundwater Monitoring Data-Unocal(Former Scotty's) <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 />