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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 llwww mc"rnpbell com E-mail mam@mccampbell com <br /> Advanced GeoEnvironmental,Inc Client Project ID Marlowe Prop Date Sampled 06/26/02 <br />' 837 Shaw Road Date Received 06/27/02 <br /> Stockton,CA 45215 Client Contact Brian Millman Date Extracted 06/27102-07/02102 <br />' <br /> [C�ientP 4 Date Analyzed 06/27/02-07/02/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SWa021B18015Cm Work Order 0206428 <br />' Lab ID Client ID Matnx TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW-106-2602 W ND ND ND ND ND ND I ---# <br /> I002A MW-5 06-26-02 W ND ND ND ND ND ND 1 119 <br /> 003A MW-6 06-26-02 W ND ND ND ND ND ND 1 119 <br /> I004A VW-106-26-02 W ND ND ND ND ND ND 1 118 <br /> I <br /> I <br /> Reporting Limit for DF=1, W 50 50 0 5 05 0 5 0 5 ug/L <br /> means not detected i t or <br /> ab S 10 005 0 005 0 005 0 005 0 005 <br /> above the reporting limn mg/K9 <br /> *water and vapor samples arc reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,and TCLP extracts in ug/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 /> I 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 gasoline9,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,i)liquid sample that <br /> contains greater than—2 vol %sediment,j)sample diluted 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 Hamilton lab Director <br /> I <br /> I <br />