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1102nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> F4 <br /> McCarrlpbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> th //www mccampbell com E-mail main@mccampbell com <br /> Advanced GeoEnvironrnental, Inc Client Project ID Chapm-11/2 Date Sampled 11/25/02 <br /> 837 Shaw Road Date Received 11/26/02 <br /> Client Contact Bill Little Date Extracted 12/01/02 <br /> Stockton, CA 95215 <br /> tClient P O Date Analyzed 12/01/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW50308 Analytical methods SW8021B/8015Cm Work Order 0211445 <br /> ' { Lab ID Client ID Matrix TPH(g} MTBE Benzene Toluene Ethy]benzene Xylenes DF %SS <br /> OOIA Influent W 2700,a ND<25 95 81 100 180 5 102 <br /> t <br /> 1 <br /> 1 <br /> Reporting Lumt for DP=1 W 50 5 0 05 0 5 05 0 5 1 itg/L <br /> ' ND means not detected at or <br /> above the reporting lmut S NA NA NA NA NA NA I mg/Kg <br /> *water and vapor samples are reported to gg/L,soil and sludge samples in mglkg wipe samples in lig/wipe and TCLP extracts in lig/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 gasoline?) 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 spirit?),0 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 sheeniproduct is present,i)liquid <br /> sample that contains greater than—2 vol %sediment, )reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> ' derived from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br /> 1 ��tt <br />