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N <br /> 110 2nd Avenue South,##D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> Ihttp//www mccampbell corn E-mail main@mccampbell corn <br /> IAdvanced GeoEnvironmental Client Project ID Marlowe Property Date Sampled 06/30/2000 <br /> 4005 North Wilson Way Date Received 07/06/2000 <br />' Stockton, CA 95205 Client Contact Brian Millman Date Extracted 07/06-07/07/2000 <br /> [Client P O Date Analyzed 07/06-07107/2000 <br />' Gasoline Range(C6-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 />' <br /> Lab ID Client ID Matrix TPH(g) Ethylben- %Recovery <br /> MTBE Benzene Toluene Xylenes Surrogate <br /> 42075 X00-30 zene W ND ND 085 ND ND ND 115 <br />' <br /> 42076 M W 1/6-30- <br /> 00 W ND ND ND ND ND ND 1 i 3 <br /> 42077 MW50/06-30 W 88,f ND ND ND ND ND 94 <br />' 42078 MW0/05-30 W ND ND ND ND ND ND 105 <br /> 1 <br />' Reporting Limit unless W 50 u9fL, 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 /> *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 is significant, b) heavier gasoline range compounds are significant(aged <br /> gasolmel), 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 pattern that does not appear to be derived from gasoline(1),f) <br /> one to a feu isolated peaks present,g)strongly aged gasoline or dscscl 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 />' DHS Certification No 1644 JEdward Hamilton, Lab Director <br /> 1 <br />