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110 2nd Avenue South,#D7,Pacheco CA 94553 5560 <br /> t E4 McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br /> http Ilwww mccampbell corn E mail main@n3ccarspbell cum <br /> Advanced GeoEnvironn ental, Inc Client Project ID Flag City Chevron Date Sampled 09/15/03 <br />' 837 Shaw Road Date Received 09/16/03 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 09118/03-09/21/03 <br />' <br /> Client P O Date Analyzed 09/18/03-09/21/03 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline <br />' xtraction method SW5030B Analytical methods SW8015Cm Work Order 0309287 <br /> Lab ID Client ID Matnx TPH(g) DF %SS <br />' 001A EW2 W ND 1 949 <br /> 002A EW4 W ND 1 969 <br />' 003A EW5 W ND 1 995 <br /> 004A EW6 W ND 1 950 <br />' 005A EW7 W ND 1 962 <br /> 006A EWS W ND 1 101 <br />' 007A EW9 W ND 1 976 <br /> 008A MWl W ND 1 968 <br />' 009A MW7 W ND 1 981 <br /> 010A MW16 W ND 1 109 <br /> 014A Influent W ND 1 107 <br /> 015A Effluent W ND 1 106 <br /> 016A EW-10 W ND 1 106 <br /> I Repotting L.tmLL for DF=1 W 50 P&L <br /> means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/soitd samples in mg/kg, wipe samples to 4g/wipe, <br /> product/oil/non-aqueous liquid samples in mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory to 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 significant(aged gasoltne9),c)lighter gasoline range <br /> compounds(the most mobile fraction)are significant,d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasoline'? e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spintv),f)one to a few isolated non-target <br />' peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,i)liquid <br /> sample that contains greater than--2 vol %sediment,j)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> denved from gasoline(aviation gas) m)no recognizable pattern <br /> • DHS Certification No 1644 Angela R dehus Lab Manager <br /> -- — ga Y � g <br />