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Chevron Groundwater Monitoring Report(3Q2002) Page 2 of 2 <br /> Facility #9-6258—2409 East Main Street,Stockton,CA Date October 25,2002 <br /> • DISCUSSION: <br /> This groundwater monitoring and sampling event was performed by Gettler-Ryan Inc on July 18`i',2002 <br /> Groundwater samples were collected from three wells No concentrations of TPHg,benzene, or MtBE were <br /> detected above the laboratory reporting limit in groundwater samples collected from wells MW-1, MW-2 or MW-3 <br /> Groundwater elevation across the site decreased an average of approximately 173 feet this quarter Groundwater <br /> flow was to the southeast at 0 001 ft/ft,consistent with historical data <br /> i <br /> LIMITATIONS: <br /> The findings presented in this letter are based on data and interpretations provided by Gettler-Ryan, Inc Gettler- <br /> Ryan Inc 's report is attached The data presented in this summary is accurate only to the degree implied by the <br /> sources and methods used No warranty, expressed or implied,is made by SECOR <br /> If you have any questions,please feel free to contact me at(916)861-0400,ext 230 <br /> Sincerely, <br /> SECOR International Inc <br /> (g <br /> C"e-� <br /> Greg Mclv <br /> Project Manager <br /> I <br /> ATTACHMENT: <br /> • Attachment A—August 27, 2002 Groundwater Monitoring& Sampling Report by Gettler-Ryan Inc <br /> cc Bob Cochran,CEMC, P O Box 6004, San Ramon,CA 94583-0804 <br /> Marty Hartzell,RWQCB—CVR, 3443 Routter Road, Suite A,Sacramento, CA 95827 <br /> Steven Clair,Clair&Bossi,2800 W March Lane, Suite 310,Stockton,CA 95827-3098 <br /> Sherman Hmaman, P O Box 365,Gridley, CA 95948 <br /> I <br />