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7 <br /> �rt I <br /> INC. <br /> f <br /> r6ETTLER - RYAN <br /> September 13,2004 <br /> G-R Job##386847 <br /> Mr Robert Cochran <br /> ChevronTexaco Company <br /> P O Box 6012, Room K2200 <br /> San Ramon, CA 94583' <br /> RE: Third Quarter Event of August 9,2004 <br /> Giound,�Natei Monitoiing& Sampling Report <br /> Chevron Service Station #9-2033 <br /> 508 West Charter Way <br /> Stockton, California _ <br /> -Dear Mr Cochran <br /> This report documents the most recent groundwater monitoring and sampling event performed by Gettler- <br /> Ryan Inc (G-R) at the referenced site All field work was conducted in accordance with G-R Standard <br /> Operating Procedure - Groundwater Sampling (attached) A joint monitoring event was conducted with BP, <br /> located at 620 West Charter Way, Former Texaco, located at 440 West Charter Way. and with Arco #2168. <br /> located on West Charter Way, Stockton, California Joint monitoring data is not included in the report <br /> . Static groundwater levels were measured and the wells were checked for the presence of sepatate-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 Potentiometric Map is included as Figure l <br /> Groundwater samples were collected from the monitoring wells and submitted to a state certified laboratory <br /> for analyses The field data sheets for this event are attached Analytical results are presented to the table(s) <br /> listed below A Concentration Map is included as Figure 2 The chain of custody document and laboratory <br /> analytical report are also attached <br /> Please call if you have any questions or comments regarding this report Thank you <br /> Sincetely, <br /> o Q�o�Fssla2• <br /> Deanna L Harding 2� 0I KF <br /> Project Coordinatort'0 <br /> CO � <br /> w � <br /> cc No C 55734 m <br /> 1 ,t. Exp M <br /> QkA <br /> Hagop Kevork CP ,E <br /> P E No C55734 �y�F C1VIU <br /> Figure 1 Potentiometric Map OF CAL W" <br /> Figure 2 Concentration Map <br /> Table 1 Groundwater Monitoring Data and Analytical Results <br /> Table 2 Field Measurements <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 />