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SECOR www secor com <br /> INTERNATIONAL 3017 <br /> Ran <br /> S E C ® R INCORPORATED Kilgore Road 9, 10D <br /> Rancho Cordova,CAA 95670 <br /> 916-661-6400 TEL <br /> {� 916-661 0430 FAX <br /> 1 <br /> April 17, 2003 <br /> Margaret Lagono <br /> i <br /> San Joaquin County € 1 <br /> Environmental Health Department , <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> RE Chevron Groundwater Monitoring Report (102003) <br /> Chevron Station 9-2033 <br /> 508 West Charter Way <br /> Stockton, California 'I <br /> SECOR Project filo 77CH 00000 00 0007 ' <br /> 1 <br /> Dear Ms Lagono <br /> SECOR International Incorporated is providing this report to summarize the recently <br /> completed groundwater-monitoring event at the above referenced site The site is located at 508 <br /> West Charter Way, Stockton, California <br /> COMPLETED ACTIVITIES - FIRST QUARTER 2003 <br /> o Conducted quarterly groundwater monitoring and sampling <br /> a Prepared and submitted quarterly groundwater monitoring report <br /> PLANNED ACTIVITIES - SECOND QUARTER 2003 <br /> ■ Conduct quarterly groundwater monitoring and sampling <br /> • Prepare and submit quarterly groundwater monitoring report <br /> DISCUSSION <br /> The quarterly monitoring and sampling was performed by Gettler-Ryan, Inc (G-R) This <br /> groundwater monitoring and sampling event was performed on February 12, 2003 G-R's <br /> groundwater monitoring report is included as Attachment A Depth to groundwater across the site <br /> was approximately 21 feet below ground surface Groundwater elevation across the site decreased <br /> an average of 1 17 feet from the previous sampling event Groundwater flow was to the northeast at <br /> an approximate gradient of 0 01 ft/ft A summary of laboratory results are listed below <br /> 11ChevroM92033IPenodre Monrtonng420031102003 QMR 92033 doc SECOR Intematronal Incorporated <br />