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SECOR www secor corn <br /> INTERNATIONAL 3017 Kilgore Road Suite 100 <br /> S E C ® R INCORPORATED Rancho Cordova,CA 95670 <br /> ` <br /> 916861-0400 FTEL <br /> A <br /> 916-861-0430 Fuc <br /> �C� �I� D <br /> April 30, 2004 G <br /> APR 2 9 2004 <br /> Jeffrey Wong ENVIRONMENT HEALTH i <br /> San Joaquin County Public Health Services PERMIT/SERVICES <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 <br /> RE Chevron Groundwater Monitoring Report(1 Q2004) <br /> Chevron Station 9-6258 <br /> 2409 East Main Street <br /> Stockton, California <br /> SECOR Project No 77CH 00000 23 0023 "I <br /> Dear Mr Wong <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 /> i <br /> ■ Conducted quarterly groundwater monitoring and sampling <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 /> a <br /> DISCUSSION y <br /> J <br /> On January 21, 2004, Gettler-Ryan, Inc (G-R) performed the first quarter groundwater monitoring <br /> and sampling event for 2004 G-R's groundwater monitoring report Is included as Attachment A <br /> Depth to groundwater across the site was approximately 55 feet below ground surface <br /> Groundwater elevation across the site Increased an average of 0 84 feet from the previous sampling <br /> event Groundwater flow was to the southeast at an approximate gradient of 0 002 ft/ft A summary <br /> of laboratory results are listed below <br /> „F <br /> E� <br /> I JChevronl962581Penodie Monitonng120044102004 QMR 96258 doe SECOR lntemational Incorporated <br />