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I 10 2nd Avenue South#D7 Pacheco,CA 94553-5560 <br /> 4 McCampbell Analytical, Inc. Telephone 925-798-7620 Fax 925 798 1622 <br /> Websue www mccauVbellcom E-mail inaut(a=cwWbe1Lcorn <br /> Advanced GeoEnvironmental,Inc Client Project ID Flag City Chevron Date Sampled 06/15/04 <br /> 837 Shaw Road Date Received 06/16/04 <br /> Stockton,CA 95215 Client Contact Tim Cuellar Date Extracted 06/17/04-06118/04 <br /> Chent P O Date Analyzed 06/17/04-06/18/04 <br /> FGasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> SW5030B Analyhcalmethods SW8021B1801SCm W�p� X263 <br /> ent lD Matrix TPH(g) MTBE Benzene Toluene Ethylbenzerie Xylenes DF %SS <br /> W6A W ND ND — - — 1 991 <br /> MW6B W ND ND — — -- — 1 997 <br /> 003A MW9A W ND 18 -- - — -- 1 101 <br /> 004A MW913 W ND ND — --- -- — ! 101 <br /> 005A MW9C W ND I ND -- — — - 1 101 <br /> 006A MW1IA W ND,t ND — _ — 1 993 <br /> 007A MWl lBW ND 43 985 <br /> 008A MWiIC W ND ND -- I — <br /> 1 101 <br /> 009A MWl 1D W ND ND -- — — — I I I 100 <br /> 010A Influent W ND — ND ND ND I ND � 1 103 <br /> 011A Effluent ND — ND ND Nm ND 1 101 <br /> I <br /> Reporting Lasint for DF=I W 50 50 05 O S 05 05 1 }tg/i <br /> ND exam not defected at or <br /> about the txEwrnns haat S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples and all TCLP&SPL P extracts am reported in ug/L,soil/sludge/sohd samples in mg/kg, wipe samples in gg(wupe, <br /> product(oil/non-aqueous liquid samples to mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory to nature and McCampbell Analytical Ls not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds am signiflcant(aged gasoline?),c)lighter gasoline range <br /> compounds(the most mobile faction)are significant,d)gasoline range compounds having broad chromatographic peaks arc significant,biologically <br /> altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spmt'y),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,1)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 /> Pe client's request <br /> DHS Certification No 1644 gels Rydehus,Lab Manager <br />