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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hgp//www mccampbell com E-mail main@mccampbell com <br /> Upgradient Environmental Client Project ID #99024 4,Gillies Date Sampled 12/21/99 <br /> Trucking Date Received I2/23/99 <br /> 336 Augusta Court i <br /> Valley Springs,CA 95252 Client Contact Vic Cherven Date Extracted 12/25-12/27/99 <br /> [Client P O Date Analyzed 12/25-12/27/99 <br /> Gasoline Range(C&C12) Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* & BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602,Cahforma RW CB SF Bay Re ton method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surro ate <br /> 28095 GT-I W ND ND ND 23 ND 25 102 <br /> 28096 GT-2 W ND ND 1 1 4 1 053 33 103 <br /> 28097 GT-3 W ND ND 091 43 075 46 103 <br /> 28098 GT-6 W ND ND 080 36 065 38 105 <br /> 28099 GT-9 W ND ND ND ND ND ND 97 <br /> 28100 GT-10 W 750,b,h 94 13 23 82 12 99 <br /> • <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <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 peak 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 as 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)TPN pattern that does not appear to be derived from gasoline(?) 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 no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />