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1102nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc I Telephone 925-798 1620 Fax 925-798-1622 <br />' http llwww mccampbell coin E-mail inain@mecampbell com <br /> Advanced GeoEnvlronmental, Inc Client Project ID Chase Van Buren Date Sampled 09/30/02 j <br /> 837 Shaw Road Date Received 10/01/02 <br />' Client Contact Paul Dotson Date Extracted 10103/02-10/09/02 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 10103/02-10/09102 <br /> Gasoline Range(C6-Cl2)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0210001 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> OOIA MW3/09-30-02 W 160,000,a ND<1000 4800 47,000 4200 25,000 1200 96 6 <br /> 002A MW6/09 30-02 W 190,a ND 5 7 ND 4 4 1 1 1 110 <br /> 003A MW9/09-30-02 W 9000,a ND<50 13 78 580 2200 10 103 <br /> 1I <br /> 004A MW10/09-30-02 W I ND ND ND ND ND ND 1 105 <br /> 005A MW22/09-30-02 W ND ND ND I ND ND ND 1 102 <br /> I <br /> I I <br /> I <br /> I <br />� i <br /> I <br /> I _ <br /> Reporting Linut for DF=1 W ! 50 50 0 5 05 0 5 05 1 gg/L <br /> ND can,not detected at or <br /> above the reporting Ilimt S NA NA NA NA NA NA l mg/Kg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples to mg/kg,wipe samples in ug/wipe,product/oil/non-aqueous liquid samples in <br /> mg/L,and TCLP extracts in 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 interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are signiEcant(aged gasolmc9),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),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,1)liquid sample that <br /> contains greater than—2 vol %sediment,,)repotting limit raised due to high MTBE content,k)TPH pattern that does not appear to be derived from <br /> gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward IJ �lton, Lab Director <br /> I <br />