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1386 EAST BEAMLER STREET <br /> WEGE PrESTERN Woo D, CA 95776-6003 <br /> ,�AX (916) 662-0273 <br /> GEO ENGINEERS `- (916) 668-5300 <br /> CALIF CONTRACTOR# 513857 A CORPORATIONI fit, <br /> REGISTERED GEOLOGISTS 94 r; `i� � 2 02 <br /> 2-75 <br /> Mr. John Margowski April 22, 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) 978-2428Ms . <br /> RE Update Status Report #27 for Former Regal Service Station <br /> #604 , 1448 North El Dorado Street, Stockton, California 95202 , <br /> site code : 1081, completion of confirmation sampling for <br /> consideration of Site Closure <br /> Dear Mr Margowski : <br /> This report has been generated for and to facilitate discussions <br /> with San Joaquin County PHS/EHD, Central Valley Regional Water <br /> Quality Control Board (CVRWQCB) , Wickland Properties and Western <br /> Geo-Engineers for considering this site for closure, see Appendix <br /> A, as required an the letter addressed to you from San Joaquin <br /> County Health, dated December 17, 1993 <br />' Western Geo-Engineers completed the confirmation soil sample <br /> borings on February 2 , 1994 and the Quarterly Ground Water <br /> Sampling with the Vapor Extraction System (VES) being off for <br /> over 30 days <br /> UPDATE STATUS REPORT #27, DECEMBER 31, 1993 - MARCH 23, 1994 . <br /> INTRODUCTION <br /> This report includes the results of events occurring at this site <br /> from December 30, 1993 through March 23 , 1994 <br /> LOCATION <br /> Regal Station 604 (parcel. ## 139-020-08) is located at 1448 N E1 <br /> Dorado and Harding Way, Stockton, San Joaquin County, California <br /> The site is in pro3ected section 2 , T1N, R6E, MDS&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, see Figures 1, 2 , and 3 <br /> SITE ACTIVITIES <br /> WEGE personnel visited and/or monitored the site on January 10, <br /> February 2, 16 and 21, and March 4 and 23 , 1994 During the <br /> January 10, 1994 visit the vapor extraction system (VES) wasturned on to obtain an influent sample, after allowing the system <br /> pagel <br />