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- Sent By: McCampbell Analytical; <br /> 925 798 4612, <br /> 110 2nd Avcnue South,#ID7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> http://wwAr,mccampbell.com E-mail:main(a)mccarttpbell.com <br /> Advanced GeoE.nvironmental Client Project 1D:Yamada Property Datc Sampled: 11/29/99 <br /> 4005 North Wilson Way Date Received: 11/30/99 <br /> Stockton,CA 95205 Client Contact.Tony Mikacich Date Extracted: 11/30/99 <br /> Client P.O: Date Analyzed: 11/30!99 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,witb Methyl tent-Butyl Ether* &BTEX* <br /> GPA methods 5030,modified 8015,and 8020 or 602;Califomia RWQCI3(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE BenEthylben- %Recoveryzene Toluene zene Xyleacs Surrogate <br /> 26440 MWI W ND ND ND ND ND ND 102 <br /> 26441 MW2 W ND ND ND ND ND ND 103 <br /> 26442 MW3 W ND ND ND ND ND ND 99 <br /> Reporting Limit unless W 50 ugfL 5.0 0.5 0.5 0.5 M <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 ugrt,wipe samples in ugiwipe,soil and sludge samples in mg!kg,and ail MY 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 gasuline range compounds are significant(agcd <br /> gasoline?), c) lighter gasoline range urmpouhds (the most mobile fraction)arc significant; d)gasoline range compounds having broad <br /> chronutographic peaks are signi licanL biologically altered gasoline?;e)TPM pattern that does nut appear tribe derived from gasoline(?);t) <br /> one to a itw isolated peaks present;g)strongly aged gasoline or diesel range compounds are s;gmiicant;h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than-S vol.%sediment;j)no recognizable pattem. <br /> DHS Certification No. 1644 �^Edward Hamilton, Lab Director <br />