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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> ' McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 64htt //www e 1 co E-mail matnCmccampbell coin <br /> r <br /> Advanced GeoEnvironmental Client Project ID ##0450,MBP Date Sampled 08/18/98 <br /> ' 4005 North Wilson Way Date Received 08/19/98 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 08/19/98 <br /> ' [LientP O Date Analyzed 08/20/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether*&BTEX* <br /> ' EPA methods 5030,modified 8015,and 8020 or 602,CallfOmla RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matnx TPH(g)` MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 93684 $W1 W 17,000,a --- 940 1300 580 3500 105 <br /> $11819$ - <br /> 93685 BW2 W 470,a -- 2 1 080 54 6 4 103 <br /> 8118198 <br /> 93686 MW3- W 450,),b --- ND 1 0 ND 097 97 <br /> 8118198 <br /> 93687 8/18198 W 4000,a --- 86 31 200 810 _2 <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 <br /> the reporting limit S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> *water and,�apor samples are reported in ug/L,wipe samples in ug/ti ipe 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 TP1i 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 /> gasolme9), 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)TPH pattem that does not appear to be derived from gasoline(1),1) <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)ltquid sample that contains greater than--5 vol %sediment j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />