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110 Second Avenue South,##137, Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell corn E-mail main@mccampbell corn <br /> Advanced GeoEnvirontnental CIient Project ID #0101, Lockford Date Sampled 05/26/98 <br /> 4005 North Wilson Way Beacon Date Received 05/28/98 <br /> Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 05128-05/29/98 <br /> Lent P O Date Analyzed 05/28-05/29/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*, with I14ethyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCF1D(5030) <br /> Lab ID Client ID Matrix TPH(S)4 MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> -zene Surrogate <br /> 89700 MW1/5-26-98 W ND ND ND ND ND ND 103 <br /> 89701 MW2/5-26-98 W ND ND ND ND ND ND 103 <br /> 89702 MW3/5-26-98 W ND ND ND ND ND ND 105 <br /> 89703 MW4/5-26-98 W ND ND ND ND ND ND 108 <br /> 89764 MW5/5-26-98 W ND ND ND ND ND ND 106 <br /> 89705 MW6/5-26-98 W ND ND ND ND ND ND 104 <br /> Reporting Limit unless W 50 ug/L 5 0 05 05 05 05 <br /> otherwise stated ND means <br /> not detected above the <br /> reporting limit g $S 1 0 m /k 005 0 005 0 005 0 005 0 005 <br /> * +ater and vapor samples are reported in ug/L wipe samples in ugh+ipe soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> A cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The tollowmg descriptions of the TPH chromatogram are cursory in nature and McCampbell Anal)ucal is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are sign i ficant(aged <br /> gasoline'7) c) lighter gasoline range compounds (the most mobile iraction) are significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline" e)TPH pattern that does not appear to be denved from gasoline(9),t) <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.of %sediment j)no recognizable pattern <br /> DHS Certification No 1644 Z-11 Edward Hamilton,Lab Director <br />