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110 Second Avenue South,#ED7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> htW://www.mccami2bell.com E-mail:main@mccampbell.com <br /> ®RAJ <br /> Advanced GeoEnvironmental Client Project ID:Elkhorn Date Sampled:01/22/99 <br /> 4005 North Wilson Way <br /> Date Received: 01/26/99 <br /> I:- Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 01/26-01/28/99 <br /> E= <br /> Client P.O: Date Analyzed: 01/26-01/28/99 <br /> i; <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 /> '-- <br /> + Ethylben- %Recovery Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene zene Xylenes g <br /> Sturo ate <br /> 02344 MW99-22 W ND ND ND ND ND ND 101 <br /> 02345 MW991-22 W 640,a 9.5 16 7.6 7.8 13 94 <br /> 02346 MW39/1-22 W 320,a ND 7.9 31 14 56 107 <br /> 02347 MW49 -22 W ND ND ND ND ND ND 103 <br /> 02348 MW5/-22 W ND ND ND ND ND ND 105 <br /> 99 <br /> 02349 MW6/-22 W ND ND ND ND ND ND 109 <br /> 99 <br /> 02350 VW1/I-22- W ND ND ND 6.8 1.2 6.2 108 <br /> 99 <br /> 02351 uW 99-22- W 100,a ND ND 2.2 1.2 1.0 106 <br /> l:=r <br /> Reporting Limit unless W50 ug/L 5.0 0.5 0.5 4.5 0.5 <br /> otherwise stated;ND <br /> means not detected above S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> the reporting limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mglkg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram;sample peak coclutes 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(?);f) <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 /> t <br /> i <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> �f <br />