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1366 EAST BEAMER STREET <br /> WIEG�E S�"ERI� WOODLAND, CA 95659-9603 <br /> GES-ENGINEERS FAX (916)662-0723 <br /> CALIF CONTRACTOR 0 513857 A CORPORATION (916) 668-5300 <br /> REGISTERED GEOLOGISTS L-11 I <br /> n VA%i V 16, LJ <br /> t <br /> FEB 2 51991 <br /> ENVIRONMEN SAL Twry z4, 1991 <br /> Mr. John Margowski �'ERMIT/$£i,V ..� <br /> Wickland Properties <br /> - - = - 1765 Challenge Way z - - _ <br /> Sacramento, Ca. 95814 <br /> (916) 921-1100 <br /> FAX (916) 921-3510 <br /> RE: Update Assessment and Status Report #5 including the results <br /> of the vapor recovery pilot test and monitor well slug tests with <br /> the October-November-December, 199o, quarterly monitoring at <br /> former Regal Station 604, located a 1448 N. E1 Dorado Street, _ <br /> } Stockton, California. <br /> Dear Mr. Margowski: <br /> The following is the update of events that have occurred at this <br /> site since update Status Report #4-September, 1990. <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 projected section 2; T1N; R6E; MDS&M at <br /> approximately Peet above mean sea level. Initial drilling <br /> (November, 1989) encountered ground water at approximately 32 Peet <br /> below sea level (47' billow the surface) and flowing in an east to <br /> southeasterly direction, see figures 1, 2, and 3A. <br /> UPDATE STATUS REPORT #4 (SEPTEMBER, 1990) CONCLUSIONS AND <br /> - RECOMMENDATIONS: <br /> CONCLUSIONS <br /> r <br /> Soil contamination is limited between the 20-40 foot depths <br /> beneath the eastern and western pump island areas and between the <br /> 30-40 foot contamination istof aged hs tgasoline heast frange hydrocarhonsthe tank �tian. This <br /> page 1 <br /> h <br /> +Y v .ag Hr <br />