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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hhUp://www,mecampbell,com E-mail main@mccampbell com <br /> 1 <br /> • <br /> Advanced GeoEnvironmental Client Project ID Chase Chevrolet-Van Date Sampled 04112-04/15/99 <br /> 4005 North Wilson Way Buren Date Received 04/17/99 <br />' Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 04/19/99 <br /> Client P O Date Analyzed 04/19-04121/99 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method CrCF1D(5030) <br /> Lab ID Client ID Matrix Tpm(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery <br />' -zene Surrogate <br /> 09326 SW-22-25 S 130,a ND<0 1 038 0 15 27 15 117 <br />' 09327 SW23-20 S ND ND ND ND ND ND 97 <br /> 09328 VW1-20 S ND ND ND ND ND ND 95 <br />' 09329 VW1-25 S ND ND ND ND ND ND 100 <br /> 09330 VW2-15 S 1 1,a ND 0 015 0 009 0 023 021 102 <br /> t09331 VW2-20 S I I00,a ND<5 65 60 33 180 95 <br /> 09332 VW2-25 S ND ND ND 0 007 ND 0 021 98 <br />' 09333 VW3-15 S 630,a ND<0 5 1 8 11 14 89 111 <br />' 09334 VW3-20 S 100,a ND<0 2 23 95 25 15 103 <br /> 09335 VW3-25 S 88,a ND<0 2 22 93 25 15 97 <br /> I09336 VW4-25 S 18,a ND 0 057 0 021 Oil 067 107 <br /> 09337 VW5-5 S ND ND ND ND ND ND 94 <br /> I09338 VW5-10 S 14,000,bj ND<5 12 620 330 220 ---" <br /> 09339 VW5-15 S 6900,b,1 ND<5 21 520 190 1100 ---" <br />' Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> I •water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline')), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline),e)TPH pattem that does not appear to be derived from gasoline O),t) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,l)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />