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' 110 2nd Avenue South,9137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www m2EIMpbell cam E-mail main@mccampbell cam <br />' Advanced GeoEnvirournental Client Protect ID Arco Mn,Mart Date Sampled 02/15/2002 <br /> 837 Shaw Road (Pacific) Date Received 02/18/2002 <br />' Stockton,CA 95215 Client Contact Bill Little Date Extracted 02121-0212212002 <br /> Client P 0 Date Analyzed 02121-02122/2002 <br /> 1 Gasoline Range(C&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 ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethbenzene Xylenes �Recti <br /> Surrogate <br /> 15022 D Recovery <br /> 90613 MW11W ND 410 ND ND ND N 105 <br />' 90614 MW I I B/021 W 120,a 170 056 59 2 2 12 100 <br /> 502 <br /> 90615 MW 12A/02 W 64,a 260 ND 2 1 0 82 41 100 <br />' 1502 <br /> 90616 MW D2/0215 W 130,a 58 0 78 87 3 1 16 101 <br /> 90617 MW103�215 W ND ND ND 17 066 3 2 101 <br /> 1 <br /> 1• <br /> 1 <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 5 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 mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br />' "cluttered chromatogram,sample peals 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 />' gasohne'?), 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?,c)TPH pattern that does not appear to be derived from gasoline(9),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,t)liquid sample that contains greater than--5 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />