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I 10 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 510-798-1620 Fax :510-798-1622 <br /> 24 http://www.mccampbell.com E-mail:main@mccampbel1.com <br /> Advanced GeoEnvironmental Client Project ID: Eastland Plaza lI Date Sampled:Sampled: 02/OS/98� <br /> 4005 North Wilson Way Date Received: 02/06/98 <br /> Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 02/06/98 <br /> Client P.O: Date Analyzed: 02/06/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 85639 B1-25 S ND ND ND ND ND ND 100 <br /> 85640 B2-25 S ND ND ND ND ND ND 97 <br /> 85641 B3-25 S ND ND ND ND ND ND 100 <br /> 85642 B4-25 S ND ND ND ND ND ND 103 <br /> ReportiLdetected <br /> nless W JL50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwND <br /> means noabove <br /> the reit S 1.0 mg/kg 0.05 0.005 0.005 (1.005 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 extracts <br /> in u,-/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)TP11 pattern that does not appear to be derived from gasoline(?);1) <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;j)no recognizable pattern. <br /> DHS Certification No. 1644Edward Hamilton,Lab Director <br />