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i 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> hon <br /> MCCAMPBELL ANALYTICAL INC. Tele <br /> . � p e.925 798-1620 Fax:925-79$-1622 ; <br /> htW: MMccam bell.com E-mail:main@mccampbell.com <br /> f <br /> Advanced GeoEnvironmental Client Project ID:Arco Date Sampled: 03/22/99 <br /> a 4005 North Wilson Way Date Received: 03/23/99 <br /> l Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 03/23/99 <br /> Client P.O: Date Analyzed: 03125-03129/99 <br /> Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel <br /> EPA methods modified 8015,and 3550 or 3510;California RWQCB(SF Bay Region)method GCFID(3550)or GCFID{35]0) <br /> f Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> i Surrogate <br /> 05622 MW1/3-22-99 W ND 99 <br /> 05623 MW2/3-22-99 W ND 95 <br /> 05624 MW3/3-22-99 W ND <br /> 109 { <br /> if 05625 MW4/3-22-99 W 330,d,b 9$ <br /> 05626 MW5/3-22-99 W 860,d,b 97 <br /> 05627 MW6/3-22-99 W 820,d,b 99 <br /> 05628 MW7/3-22-99 W ND 103 <br /> 05629 VW1/3-22-99 W 6100,d,b 99 <br /> } <br /> l <br /> } <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated;ND means not detected above <br /> the reporting limit S 1.0 mg/kg <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/STLC!SPLP <br /> extracts in ug/L <br /> L0 cluttered chromatogram resulting in coeluted surrogate and sample peaks,or;surrogate peak is on elevated baseline,or;surrogate has been <br /> diminished by dilution of original extract. <br /> I <br /> 1 '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 diesel is significant;b)diesel range compounds are significant;no recognizable pattern;c) 1 <br /> aged diesel?is significant};d)gasoline range compounds are significant;e)medium boiling point pattern that does not match diesel(?);f) <br /> t <br /> one to a few isolated peaks present;g)oil range compounds are significant;h)lighter than water immiscible sheen is present; i) liquid l <br /> sample that contains greater than—5 vol.%sediment. j <br /> DHS Certification No. 1644l�Edward Hamilton,Lab Director <br /> �r <br />