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I 10 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwrriccarnl2bcllconn E-mail main@mccampbell coni <br /> Advanced GeoEnvironmental Client Project ID #95-0135, Den's Auto Date Sampled 04/09/98 <br /> 4005 North Wilson Way Repair Date Received 04/09/98 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 04110-04113198 <br /> Client P O Date Analyzed 04/10-04/13/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,-,i ith A1ethN i tert-Butyl Ether* & BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bav Renton)nnuhod GC F1D(5030) <br /> Lab ID Client 1D Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 87942 MW-1A W 23,000,a ND<450 3500 180 940 340 95 <br /> 87943 MW-1B W 2200,a ND<30 42 49 17 19 98 <br /> 87944 MW-2A W 9400,a ND<90 2100 48 70 110 100 <br /> 87945 MW-213 W 4700,a 44 340 10 85 44 101 <br /> 87946 MW-3A W 650,1 ND ND 3 4 l 4 33 99 <br /> 87947 MW-313 W 420,1 ND ND 1 4 3 1 39 102 <br /> • <br /> Reporting Limit unless Air 50 uglL 50 05 05 05 05 <br /> other%%ise stated ND <br /> means not detected above <br /> the reporting limit S 1 0 mS g/k 005 0 005 0 005 0 005 0 005 <br /> `%%ater and vapor samples are reported in ug/L,wipe samples rn ugANiPC soil and sludge samples in mg/kg and all TCLP and SPLP extracts <br /> in ug/L <br /> F cluttered chromatogram sample peak coelutes with surrogate peak <br /> `The lollo%kmg descriptions of the TPH chromatogram are cursory in nature Lind McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is stgnrticani b) hta�iei ga4olm. range compounds are significant(aged <br /> gasoline') c) lighter gasoline range compounds (the most mobile traction) are slcntlicant d) casohne range compounds having broad <br /> chmmatographtc peaks are significant,biologically altered gasoline' e)TPH pattern that doer not appcai to be derived from gasoline <br /> one to a tew isolated peaks present,g)strongly aged gasoline of ditsel ran-,t Lumpoun&a1L �ignrlicani h)lighter than eater immiscible <br /> sheen is present i)liquid sample that contains greater than—5 vol '%,sWirnem j)no ictognpable pattern <br /> DHS Certification No 1644 Edwaid Hamilton,Lab Director <br />