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�. <br /> Since�7&,�7� w ta& <br /> 1898 <br /> Geotechnical and Environmental Engineering•Construction Inspection•Materials Testing•Analytical Chemistry <br /> February 4 , 1992 TL #791-199-10 <br /> R IE <br /> FEB 1 Q 199z, <br /> ENVIRONMEN'iA; ' it L7'H <br /> Mr. Richard Warren FERMIS/�� <br /> Crisp Construction Company PERMIT/SERVICES <br /> P.O. Box 1066 <br /> Visalia, CA 93279 <br /> Subject: Preliminary- Soil Sampling Report <br /> Project: Former Underground Storage Tank Site <br /> Fiorre Development <br /> 2001 N. Main Street <br /> Manteca, CA <br /> Dear Mr. Warren: <br /> This report addresses the soil sampling conducted on January 16, <br /> 1992 at the above referenced project. The work was conducted per <br /> the Twining Laboratories Inc. (Twining) work plan TL 791-199-09, <br /> dated November 25, 1991. This work was at the request of the San <br /> Joaquin County Department of Health Services (SJCDHS) . <br /> Background Information <br /> A 10,000 gallon underground storage tank (UST) was removed by Crisp <br /> Construction from the site on April 30, 1991 . The UST was located <br /> between the adjacent buildings at the Fiorre Development facility. <br /> The UST was located approximately 40 feet west and 15 feet south of <br /> the north building. Soil sampling was conducted during tank <br /> removal and was addressed in a report dated May 12, 1991. The <br /> original soil sampling report is attached. The soil samples were <br /> origanally collected from the east and west end of the UST at a <br /> depth of 13 feet below site grade (BSG) . Soil samples were <br /> analyzed for Benzene (B) , Toluene (T) , Ethylbenzene (E) , Xylene (X) <br /> and Total Petroleum Hydrocarbons (TPH) gasoline, using EPA analysis <br /> 8020 and GC/FID with EPA preparation method 5020 . Upon review of <br /> the results, the SJCDHS requested that additional samples be <br /> obtained and analyzed for BTXE and TPH gasoline, using EPA analysis <br /> 8020, GC/FID and preparation method 5030 . <br /> ❑ 2527 Fresno Street•P.O.Box 1472 ❑ 9401 West Goshen Avenue <br /> Fresno,California 93716 Visalia,California 93291 <br /> (209)268-7021 •Fax(209)268-7126 (209)651-2190•Fax(209)651-2654 <br /> ❑ 4230 Kiernan Avenue,Suite 105 ❑ 3701 Pegasus Drive,Suite 124 <br /> Modesto,California 95356 Bakersfield,California 93308 <br /> (209)545-1050•Fax(209)545-1147 (805)393-5088•Fax(805)393-4643 <br />