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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAWBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> hap://www.mccami2bell.co E-mail:main@mccampbbll.com <br /> Advanced GeoEnvironmental Client Project ID:Elkhom CC; 1050 Date Sampled: 07/07/98 <br /> Elkhorn Drive Date Received: 07/08/98 <br /> 4005 North Wilson Way <br /> Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 07/11-07117198 <br /> I j f Client P.O: Date Analyzed:07/11-07117198 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> r- EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCED(5030) <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Eth en en- Xylenes %Recovery <br /> ze Surrogate <br /> 91816 MW-1 W ND ND ND ND ND ND 95 <br /> 91817 MW-2 W 350,b,c l l 4.7 1.8 3.5 2.5 99 <br /> 91818 MW-3 W 490,a ND 6.1 23 11 39 97 <br /> 91819 MW-4 W ND ND ND ND ND ND 97 <br /> 91820 MW-5 W ND ND ND ND ND ND 92 <br /> 91821 MW-6 W ND ND ND ND ND ND 93 <br /> IE -- 91822 VWl W 700,a ND 4.1 150 28 160 94 <br /> r 91823 VW2 W 620,a ND 3.8 53 7.8 35 97 <br /> "ra <br /> s:a <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 ugfL,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 /> +ne 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?;a TPH attem that does not ear to be derived from gasoline$�P P Bn g? Y g ) P PP $ (•);0 <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 pattem. <br /> DHS Certification No. 1644 /4/ Edward Hamilton,Lab Director <br />