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1386 EAST BEAMER STREET <br /> � ESTERN WOODLAND, CA 95776-6003 <br /> GEO ENGINEERS FAX (916) 662-0273 <br /> CALIF CONTRACTOR#513857 A CORPORATION (9 6) 668-5300 <br /> REGISTERED GEOLOGISTS <br /> Mr. John Margowski November 11, 1994 <br /> Manager, Environmental Affairs <br /> Wickland Properties <br /> P O. Box 13648 <br /> 3640 American River Dr <br /> Sacramento, CA 95853-4648 <br /> (916) 978-2485 <br /> FAX (916) 978-2428 <br /> RE CLOSURE ADDENDUM with Update Status Report #30 for Former <br /> Regal Service Station #604 , 1448 North El Dorado Street, Stockton, <br /> California 95202 , site code 1081 <br /> Dear Mr Margowski <br /> This report has been generated to update site status since a <br /> request for site closure was initiated on June 15, 1994 and in <br /> response to the August 29 , 1994 letter from San Joaquin County <br /> Public Health Services , Environmental Health Division <br /> (SJCPHS, EHD) <br /> Western Geo--Engineers has updated the fate modeling and completed <br /> the requested Ground Water and Vapor Extraction System (VES) <br /> Sampling through November 7 , 1994 The previous update status <br /> report and fate modeling represented data through July 21, 1994 . <br /> Also included with this report is the requested information <br /> regarding lithologic barriers and evaluation for potential <br /> attenuation effects <br /> UPDATE STATUS REPORT #30, July 21, through November 7, 1994 . <br /> INTRODUCTION <br /> This report includes the results of events occurring at this site <br /> from July 21, through November 7, 1994 <br /> LOCATION <br /> Regal Station 604 (parcel # 139-020-08) is located at 1448 N. El <br /> Dorado and Harding Way, Stockton, San Joaquin County, California. <br /> The site is in pro3ected section 2 , T1N, R6E; MDB&M at <br /> approximately 14 feet above mean sea level Initial drilling <br /> (November, 1989) encountered ground water at approximately 32 <br /> feet below sea level (47' below the surface) with a flow <br /> direction to the east southeast Figures 1, 2 , and 3 show the <br /> site and site location. <br /> pagel <br />