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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 />' 14 http//www mccampbell corn E-mail main@mccampbell com <br /> •' Advanced GeoEnvirormental Client Project ID Three B's Date Sampled 09/06/01 <br /> 837 Shaw Road Date Received 09/07/01 <br /> 1 Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 09/07/01 <br /> Client P O Date Analyzed 09/07/01 <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 Ethyl- Xylenes %Recovery <br /> 1 benzene Surrogate <br /> 77224 MW1/ W 2900,a ND 700 25 36 100 113 <br /> 090601 <br /> 77225 090601 W 3400,a ND 840 20 22 29 ---" <br /> 1 77226 09 601 W 8100,a ND<l0 1700 72 180 360 --# <br /> 77227 MW4/ W ND I10 ND ND ND ND 108 <br /> 1 090601 <br /> 77228 090601 W 580,c ND 28 1 3 ND 055 ---" <br /> 1 77229 MW6/ W 5600,a ND<15 1100 31 47 51 119 <br /> 090601 <br /> 1 • <br /> 1 <br /> 1 <br /> 1 <br /> 1 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 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> 1 'water and vapor samples are reported in uglL,wipe samples in ug/wipe,sod and sludge samples in mg/kg,and all TCLP and SDLP extracts <br /> in ug/L. <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <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 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 /> 1 chromatographic peaks are significant,biologically altered gawime" e)TPLI pattern that does not appear to be derived from gasoline(9),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 /> 1 DHS Certification No 1644 Edward Hamilton, Lab Director <br /> 1 <br />