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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> bnp://www.mccampbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Volpie Property Date Sampled:07/08/98 <br /> 4005 North Wilson Way Date Received: 07/09/98 <br /> Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 07/11-07/14/98 <br /> Client P.O: Date Analyzed: 07/11-07/14/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*& <br /> BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Ethylben- <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene zene Xylenes Recovery <br /> Surrogate <br /> 91862 Ditch Water W ND ND ND ND ND ND 105 <br /> 91863 Trench W 16,000,a 4900 690 1600 410 2500 100 <br /> 1 Water <br /> 91864 TI-E S 19,000,a ND<660 180 1700 480 1800 103 <br /> 91865 T1-W S 4900,a ND<130 52 160 59 510 108 <br /> 91866 TI-N S 15,a 0.65 0.19 0.77 0.26 1.7 107 <br /> 91867 T1-Floor S ND ND ND ND ND ND 99 <br /> 91868 T3-1 S 1.1,b ND ND 0.018 0.011 0.087 97 <br /> 91869 T2 S 67,a 0.089 0.017 0.15 0.039 0.22 97 <br /> 91870 T4-1 S ND ND ND 0.011 ND 0.008 101 <br /> 91871 T4-2 S ND ND ND ND ND ND 97 <br /> 91872 T4-3 S ND ND ND ND ND ND ND <br /> 91873 SP-1-4 S 300,a 18 4.7 16 5.8 33 115" <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> • 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 <br /> extracts 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 pattern that does not appear to be derived from gasoline(?); <br /> f) one to a few isolated peaks present; g) strongly aged gasoline or diesel range compounds are significant; h) lighter than water <br /> immiscible sheen is present;i)liquid sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 /_'/ Edward Hamilton,Lab Director <br />