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I 10 2nd Avenue South,##D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' 24 ltM//www mccam ell co m E-mail main@mccampbell com <br /> IAdvanced GeoEnvironmental Client Project 1D Tracy Marine Date Sampled 12/02/99 <br /> 4005 North Wilson Way Date Received 12/03/99 <br /> Stockton, CA 95205 Client Contact W R Little Date Extracted 12/03-12/04/99 <br /> --FClient P O Date Analyzed 12/03-12/04/99 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* & BTEX* <br /> EPA methods 5030,modified 1015,and 8020 or 602,California RWQCB(SF Say Region)method GCFID(503(1) <br /> Lab ID Client ID Matrix TPH(g)` MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 26729 MW 1 W ND ND ND ND ND ND 102 <br /> I26730 MW2 W 6100,a 3000 400 600 140 1100 101 <br /> 26731 MW3 W ND ND ND ND ND ND 101 <br /> 26732 M W4 W 2600,a ND<200 82 24 6 0 430 98 <br /> 26733 MW5 W I0,000'a 800 410 75 66 2400 116 <br /> 26734 MW7 W 44,000,a 88,000 4700 7200 1500 5600 98 <br /> 26735 MW6 W 220,a 94 17 29 ND 10 -- <br /> 26736 MVl'8 W 2100,a 38 60 14 12 110 118 <br />' Reporting Limit unless <br /> other+ ise stated ND \V 50 uglL 5 0 0 5 05 O S 05 <br />' means not detected <br /> ahoN e the iepoi ting S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> limit <br /> *�N ater and,,apor samples are reported m ug/L ,,pe samples rn ug/Wipe,soil and sludge samples m mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> `cluttered chromatogram sample peak coelutes utth surrogate peak <br />' -The fnllowng descriptions of the TPH chromatogram are cursory ni 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 signiftcani(aged <br /> • gasoline') c) fighter 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("),i) <br /> one to a few isolated peaks present,g) strongly aged gasoline or diesel range compounds are significant h)lighter than mater immiscible <br /> sheen is present i)liquid sample that contains greater than—5 No] %sediment j)no recognizable pattern <br /> DHS Certification No 1644Edward Hamilton, Lab Director <br />