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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 24 httn//www mccampbell corn E-mail main@mccampbell corn <br /> IAdvanced GeoEnvironmental Client Protect ID Larry Auto Date Sampled 08/12/99 <br /> 4005 North Wilson Way Date Received 08/13/99 <br /> IStockton,CA 95205 Client Contact Kevin McKibben Date Extracted 08113-08/16/99 <br /> Client P O Date Analyzed 08113-08116199 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyll tert-Butyl Ether* & BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602 California RW CB SF Bay Region)method GCFID(5030 <br /> Lab ID Client ID Matrix TPH(g)* MTBE Benzene Toluene Ethylben- xylenes %Recovery <br /> zene Surrogate <br /> 17162 MW-3 W 1200,a ND<30 25 14 12 31 106 <br /> I17163 MW-7 W 2700 a ND<30 300 480 43 220 105 <br /> 17164 VW-2B W 96,OOO,a ND<1600 22,000 16,000 1400 7300 106 <br />' 17165 VW-3 W 130,OOO,a ND<1400 31,000 16,000 2900 14,000 105 <br /> 17166 VW-4 W I00,000,a ND<1000 15,000 13,000 2600 13,000 103 <br /> I17167 VW-5B W 150,000,a ND<200 7100 36,000 3700 20,000 103 <br /> 17168 VW-5C W 89,000,a,h ND<1100 8100 14,000 2800 14,000 105 <br /> 17169 MW-2 W 1500,a ND<40 320 160 35 100 104 <br />' 17170 MW-4 W 85,OOO,a ND<720 18,000 13,000 1300 7000 105 <br /> 17171 MW-I W 2700,a ND<90 350 88 62 140 106 <br /> I <br />' Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherm ise stated,ND <br />' means not detected above S 1 0 mglkg 005 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,sod 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 /> `Che 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 significani(aged gasoline?) <br /> c)lighter gasoline range compounds(the most mobile fraction)arc significant d)gasoline range compounds having broad chromatographic <br /> peaks are significant biologically altered gasoline), e) TPH panern that does not appear to be derived from gasoline (9), f) one to a few <br /> isolated peaks present g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen is present, <br /> i)liquid sample that contains greLter than—5 vol %sediment no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />