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I 10 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> MCCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hnp_Nwww.mecatnnbetl.com E-mail main@mccampbell com <br /> i <br /> I Date Sampled 11/03/99 <br /> Advanced GeoEnviromnental Client Project ID Marlowe <br /> 4005 North Wilson Way Date Received 11/04/99 <br />' Stockton, CA 95205 Client Contact Tun Cuellar Date Extracted 11105-11/08/99 <br /> Client P 4 Date Analyzed 11/05-11/08199 <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,Cal ifomia RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 24751 MW 1 W ND ND ND ND ND ND 99 <br /> 24752 VW 1 W ND ND ND ND ND 1 6 99 <br /> 24753 MW 5 W 87,f ND ND ND ND ND 100 <br /> 24754 MW 6 W ND ND 70 1 8 ND 24 100 <br /> 1 <br /> i • <br /> I <br /> 1 <br /> I <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 005 1 0 005 1 0 005 0 005 0 005 <br /> the reporting limit <br /> water and vapor samples are reported in uglL,wipe samples in ug/wipe,soil and sludge samples in mglkg,and all TCLP and SPLP extracts <br /> n ug/L <br /> "cluttered chromatogram,sample peak coclutes 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 /> 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 gasoline),c)TPH pattern that does not appear to be derived from gasoline(?),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,l)no recognizable pattern <br /> DHS Certification No 1644 f Edward Hamilton, Lab Director <br /> 1 <br />