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In bell Anal 110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> IV�CCa <br /> p yftcal Inc Telephone 925-798-1620 Fax 925-796-1622 <br /> ^ h Jlwww Ixll.com &mart 1Ccom <br /> Advanced GeoEnvironznental,Inc I Client Project ID Geweke Date Sampled 12/27/02 <br /> 837 Shaw Road Date Received 12/31/02 <br /> Stockton,CA 95215 Client Contact Bob Marty Date Extracted. 01101/03-01/03/03 <br /> Client P Q Date Analyzed 01/01/03-01/03/03 <br /> Gasoline Range(C6-G12)Volatile Hydrocarbons as Gasoline's <br /> traction method SW50308 Aii6WWAI methods SW8015Cm Work Order 0212473 <br /> Lab ID I CIient ID Matrix TPH(g) DF %SS <br /> 001 MW-15 W ND 1 107 <br /> 002A MW-16 W ND 1 109 <br /> 003A MW-17 W ND,i 1 105 <br /> 004A MW-18 W 100,b _ 1 106 <br /> 005A MW-19 W ND 1 112 <br /> i <br /> Reporting Limit for DF=1, W 50 <br /> ND means not detected at or <br /> above the reporting limit S NA NA <br /> 'water and vapor samples are reported inµgll,soil and sludge samples m mg/kg,wipe samples in jig/-pe,and TCLP extracts in IiWL <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory,n 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?),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 /> derived from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />