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SECOR www secorcom <br /> ® INTERNATIONAI- 3017 Kilgore Road Suite 100 <br /> INCORPORATED Rancho Cordova CA 95670 <br /> 916-6610400 TEL t <br /> 916 861-0430 FAX <br /> January 23, 2004 <br /> ��c��y <br /> JAN 2 7 2004 <br /> Harlin Knoll ENVIRONMENT ht=,y�7H <br /> San .Joaquin County P��M�1/S�RVIC $ <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 <br /> RE Chevron Groundwater Monitoring Report (402003) <br /> Chevron Service Station 9-2396 <br /> 25651 Highway 99 North <br /> Acampo, California <br /> SECOR Project No 77CH 00000 09 0010 <br /> Dear Mr Knoll <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 - FOURTH QUARTER 2003 <br /> ■ Conducted quarterly groundwater monitoring and sampling <br /> ■ Prepared and submitted quarterly groundwater monitoring report <br /> PROPOSED ACTIVITIES - FIRST QUARTER 2004 , <br /> Conduct quarterly groundwater monitoring and sampling <br /> ■ Prepare and submit quarterly groundwater monitoring report <br /> IN Prepare and submit a closure request summary <br /> DISCUSSION <br /> On October 31, 2003, Gettler-Ryan, Inc (G-R) performed the fourth quarter groundwater monitoring <br /> and sampling event for 2003 G-R's groundwater monitoring report is included as Attachment A <br /> Depth to groundwater across the site was approximately 79 feet below ground surface <br /> Groundwater elevation across the site decreased an average of 1 91 feet from the previous sampling <br /> event Groundwater flow was to the south at an approximate gradient of 0 003 ft/ft A summary of <br /> laboratory results are listed below <br /> k <br /> 4 <br /> r� <br /> 9� <br /> a� <br /> d <br /> 1 <br /> I 1Chevronl923961Penodtc Monitonng120031402003 QMR 92396 doc SECOR International Incorporated <br /> �r� <br />