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SECOR www secor co <br /> INTERNATIONAL Ran Kilgore Road,A 95 100 <br /> S E C ® R INCORPORATED Rancho Cordova CA 95670 ' <br /> 916-651-0400 TEL <br /> / 916-861 0430 FAx <br /> !ts <br /> July 30, 20031 <br /> Harlin Knoll <br /> San Joaquin County Environmental Health Department AUG 0 Y 2003 <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 ENVIRONMENT HEALTH <br /> PERMIT/SERVICES <br /> RE Second Quarter 2003 Groundwater Monitoring Report <br /> Chevron Station 9-3232 <br /> 8660 Lower Sacramento Road <br /> Stockton, California <br /> SECOR Project No 77CH 00000 09 0014 <br /> Dear Mr Knoll <br /> SECOR International Incorporated is providing this report to summarize the second quarter <br /> groundwater monitoring event at the above referenced site <br /> n <br /> COMPLETED ACTIVITIES - SECOND QUARTER 2003 <br /> • Conducted quarterly groundwater monitoring and sampling <br /> ■ Prepared and submitted quarterly groundwater monitoring report <br /> PLANNED ACTIVITIES— THIRD QUARTER 2003 <br /> • Conduct quarterly groundwater monitoring and sampling <br /> • Prepare and submit quarterly groundwater monitoring report <br /> DISCUSSION <br /> On April 24, 2003, Gettler-Ryan Incorporated (G-R) performed the second quarter groundwater <br /> monitoring and sampling event for 2003 G-R's Groundwater monitoring report is included as <br /> Attachment 1 Depth to groundwater across the site ranged from 34 09 to 35 54 feet below ground <br /> surface (bgs) Groundwater across the site decreased an average of 3 13 feet from the previous <br /> sampling event The groundwater flow direction was reported at an approximate gradient of 0 002 to <br /> 0 003 feet per foot (ft/ft) Ten wells were sampled during this event A summary of laboratory data is <br /> listed below <br /> A* <br /> 11Chev=1932321Penodic Monrtonng120031202003 OMR 93232 doc SECOR Intemational Incorporated <br /> U<< <br /> a� � <br />