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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 />' http//www rn cam bell cam E-mail main@mccampbell corn <br />' Advanced GeoEnviromnental Client Project 1D West Clay Properties <br /> Date Sampled 08/28/01 <br /> 837 Shaw Road Date Received 08/29/01 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 08129-08/3 1/01 <br /> Client P O Date Analyzed 08129-08131/01 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasohne*,with Methyl tent-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 /> benzene Surrogate <br /> t 76359 MWl/ W 9900,a ND<300 2300 69 820 240 105 <br /> 08-28-01 <br /> 76360 MW2/ W 14,000,a ND<20 1400 890 810 2000 104 <br /> 08-28-01 <br /> 76361 MW3/ W ND ND ND ND ND ND 106 <br /> 08-28-01 <br />' 76362 MW4/ W ND ND ND ND ND ND 106 <br /> 08-28-01 <br /> 76363 MW5/ W ND ND ND ND ND ND 101 <br /> 08-28-01 <br /> 1 76364 MW6A/ W ND ND ND ND ND ND 104 <br /> 08-28-01 <br /> 76365 MW6B/ W ND ND ND ND ND ND 106 <br /> 08-28-01 <br /> 76366 MW7/ W ND ND ND ND ND ND 102 <br /> lie 08-28-01 <br /> 76367 MW8A/ W ND ND ND ND ND ND 102 <br /> 08-28-01 <br /> 76368 MW8B/ W ND ND ND ND ND ND 99 <br /> 08-28-01 <br /> 76369 MW9/ W ND 130 ND ND ND ND 102 <br /> 08-28-01 <br /> 76370 MW I O/ W 2600,a,i 49 40 20 110 61 107 <br /> 08-28-01 <br /> 76371 MW11A/ W ND ND ND ND ND ND 101 <br /> 08-28-01 <br />' Reporting Limit unless W 50 ug/L 5 0 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 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,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug(L <br /> 4 cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbcll 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 />' chromatographic peaks are significant,biologically altered gasolmel,e)TPH pattern that does not appear to be denved 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,I)no recognizable pattern <br /> DHS Certification No 1644 Edward Hariulton, Lab Director <br />