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' 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925 798 1620 Fax 925 798-1622 <br /> http//www mecampbeli corn L mail main@mccampbell corn <br /> I T Corporation Client Project ID #781723 6304000, Date Sampled 04/08/02 <br /> STHL/MANTECA <br /> ' 4005 Port Chicago Hwy Date Received 04/10/02 <br /> Client Contact Shelby Lathrop Date Extracted 04/14102-04/15102 <br /> Concord, CA 94553-2233 <br /> Client P O Date Analyzed 04/14102-04115102 <br /> ' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline with MTBE and BTEX* <br /> xtracnonmethod SW503013 Analyticalmethods SW8021B/8015Cm Work Order 0204185 <br /> ' Lab ID Client 1D Mautx I PH(g) MTBE Benzene roluene hthylbenzene Xylenes DF %SS <br /> OO[A MW 2 W ND N/A ND ND ND ND 1 105 <br /> 002A MW I W ND N/A ND ND ND ND 1 10] <br /> 003A MW 3 W ND N/A ND ND ND ND 1 106 <br /> ' 004A MW-4 W ND N/A ND ND ND ND 1 103 <br /> 1 <br /> I <br /> i <br /> Repos ung Limit for DF=1 W 50 5 0 5' 0 5 0 5 0 5 ug/L ND means not detected at or <br /> above the reporting limit S 1 005 0 005 0 005 0 005 0 005 mg/Kg <br /> *water and vapor samples are reported in ug/l, soil and sludge samples in mg/kg,wipe samples in ug/wipe and TCLP extracts in ug/L <br /> ' DF=dilution factor <br /> #clutteied chiomatogtam sample peak LOelutes with surrogate peak <br /> ' +1 he following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are sign iIli cant(aged gasoline'),c)lighter gasoline range <br /> compounds(the most mobile tiaction)are significant,d)gasoline range compounds having broad chromatographic peaks are significant biologically <br /> altered gasoline" e)TPI I pattern that does not appear to be dei tved from gasoline(stoddard solvent),f)one to a few isolated non-target peaks present, <br /> ' g)strongly aged gasoline or diesel range compounds are significant h)lighter than water immiscible sheen/product is present,i)liquid sample that <br /> contains greater than—2 vol %sediment,j)no i ecogni7able pattern <br /> • DHS Certification No 1644 i Edward Hamilton,Lab Direct <br /> v I i <br />