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SECOR www secor com <br /> Kilgore Road Suite 100 <br /> 3017 Kil <br /> INTERNATIONAL 9 <br /> ® INCORPORATED Rancho Cordova CA 95670 <br /> 916-861-0400 TEL <br /> 916-661-0430 ria <br /> Apnl 30, 2004 i <br /> s <br /> Ece� <br /> Vicki McCartney APR 2 9 2004 <br /> San Joaquin County <br /> Environmental Health Department SNVIR01VMUNT HEALTH <br /> 304 East Weber Avenue, Third Floor PERMIT/SERVICES J <br /> Stockton, California 95202-2708 <br /> RE Chevron Groundwater Monitoring Report(102004) <br /> o r <br /> Chevron Station 9-2033 4 <br /> 508 West Charter Way -Y <br /> i <br /> Stockton, California <br /> SECOR Protect No 77CH 00000 23 0009 <br /> ,i <br /> Dear Ms McCartney s <br /> SECOR International Incorporated is providing this report to summarize the recently completed <br /> groundwater-monitoring event at the above referenced site <br /> COMPLETED ACTIVITIES - FIRST QUARTER 2004 <br /> ■ Conducted quarterly groundwater monitoring and sampling 1 <br /> . ■ Prepared and submitted quarterly groundwater monitoring report <br /> PLANNED ACTIVITIES - SECOND QUARTER 2004 <br /> ■ Conduct quarterly groundwater monitoring and sampling <br /> ■ Prepare and submit quarterly groundwater monitoring report <br /> DISCUSSION <br /> On February 9, 2004, Gettler-Ryan Incorporated (G-R) performed the first quarter groundwater <br /> monitoring and sampling event for 2004 G-R's groundwater monitoring report is included as <br /> Attachment 1 Depth to groundwater across the site ranged from 21 89 to 22 71 feet below ground - <br /> surface (bgs) Groundwater elevation across the site decreased an average of 0 31 feet from the <br /> previous sampling event 0 The groundwater direction was reported to the northeast at an <br /> approximate gradient of 0 06 feet per foot (ft/ft) Three wells were sampled during the event A <br /> summary of laboratory results are listed below <br /> • <br /> 11Chevron192M Penodre Monrtonng120040Q2004 QMR 92033 doc SECOR International Incorporated <br />