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}�r 110 2nd Aienue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798 1622 <br /> Z4 1 Website www mccampbell com Email masa a mccampbell cam <br /> Advanced GeoEnvironniental, Inc Client Project ID Flag City Chevron Date Sampled 09/13/04-09/14/04 <br /> 837 Shaw Road Date Received 09/15/04 <br /> Client Contact Tim Cuellar I Date Extracted 09/18/04-09/21/04 <br /> Stockton,CA 95215 <br /> Client P O Date Analyzed 09/18/04-09/21/04 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br /> fraction method SW5030B Analytical methods SW8015Cm Work Order, 0409206 <br /> Lab 1D Client ID Matrix TPF1(g) DF %SS <br /> 017A M W 15/091304 W ND 1 102 <br /> 018A M W50091304 W ND 1 100 <br /> 019A MW8A/091304 W ND 1 102 <br /> 020A MW813/091304 W ND 1 102 <br /> 021A MWSC/091304 W ND ! 102 <br /> 022A MW6A/091304 W ND 1 105 <br /> 023A MW613/091304 W ND 1 101 <br /> 024A M W 181091304 W ND 1 101 <br /> 025A MW2&091304 W ND 1 103 <br /> 026A MW16/091304 W ND 1 101 <br /> 027A MW18/091304 W ND 1 102 <br /> 028A MW17/091304 W ND 1 101 <br /> 029A M W 12D/091304 W ND 1 100 <br /> 030A M W 13B/091304 W ND 1 105 <br /> 031A MW13C/091304 W ND 1 91 1 <br /> 032A MW13D/091304 W ND l 90 5 <br /> Reporting Limit for DF=1, W 50 gg/L <br /> ND means not detected at or <br /> above the reporting limit S NA NA <br /> "water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples in mg/kg, wipe samples in pg/wipe, <br /> product/oil/non-aqueous liquid samples in mg/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 sigmftcant(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—1 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,n)TPH(g)range non-target isolated peaks subtracted out of the TPH(g)concentration at <br /> the client's r uest <br /> DHS Certification No 1644 Angela Rydelius, Lab Manager <br />