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J) i) <br /> 110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798 1620 Fax 925-798-1622 <br /> bttpJ/www mccarMbell cont E mail main mccarmbell com <br /> Advanced GeoEnvlronmental,Inc Client Project ID Local Food Store Date Sampled 09/18/03 <br /> 837 Shaw Road Date Received 09/19/03 <br /> Chent Contact Paul Dotson Date Extracted 09/23/03-09125103 <br /> Stockton,CA 95215 <br /> rChent P O Date Analyzed 09/23103-09125/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW80Z1B/8015Cm Work Order 0309359 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MWl W ND --- ND ND ND ND l 104 <br /> 002A MW2 W ND -- ND ND ND ND 1 104 <br /> 003A MW3 W ND -- ND ND ND ND 1 103 <br /> 004A MW4 W 8700,a - 1900 55 430 530 33 107 <br /> 005A MWS W ND --- 6 0 13 1 5 3 4 1 106 <br /> i <br /> Reporting Lmnt for DF-1 W 50 50 05 0 5 05 05 1 pg/L <br /> ND[Weans not detected at or <br /> above the reporting linut S NA NA NA NA NA I NA 1 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soiUsludge/solid samples in mg/kg, wipe samples inµg/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 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 significant(aged gasolme9),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 gasoline9,e)TPH pattern that does not appear to be derived from gasoline(Stoddard solvent/mineral spent)),f)one to a Pew 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,r)liquid <br /> sample that contains greater than--2 vol %sediment,j)reporting limit raised due to high MTBE content, )TPH pattern that does not appear to be <br /> denved from gasoline aviation as m)no recognizable pattern <br /> DHS Certification No 1644 Angela Rydehus,Lab Manager <br />