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r <br /> I 10 Second Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> hnp://www.mccampbell.comE-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: #0114; Hess Dubois Date Sampled: 07/01/98 <br /> 4005 North Wilson Way Date Received: 07/01/98 . <br /> ' Stockton, CA 95205 Client Contact: Bill Little Date Extracted: 07/08-07/09/98 <br /> [Client P.O: Date Analyzed: 07/08-07/09/98 <br /> ' Stoddard Solvent Range(C9-C12)Volatile Hydrocarbons as Stoddard Solvent*,with MTBE* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCF1D(5030) <br /> Lab 1D Client ID Matrix TPH(ss)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 91476 MW-1 W 97,e --- ND ND ND ND 97 <br /> 91477 MW-2 W 300,e --- ND ND ND 0.61 101 <br /> 91478 MW-3 W 2000,e,f --- ND ND 8.4 15 96 <br /> ' 91479 MW-4 W ND --- ND ND ND ND 97 <br /> 91480 MW-5 W ND --- ND ND ND ND 97 <br /> 1 <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 al TCLP and SPLP extracts <br /> in uglL <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 signifcant(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 /> (stoddard solvent?);f)one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter <br /> than water immiscible sheen is present;i)liquid sample that contains greater than—5 vol.%sediment;i)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton, Lab Director <br /> 1 <br />