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J � <br />- --- --- - ---- ------- 110 2nd Avenue South,#137 Pacheco,CA-94553-5560-- --- —-�_ --- <br /> McCampbell Analytical, Inc. "telephone 925-798 1620 Fax 925-798-1622 <br /> Website www mccampbell corn E-mail mam@mccampbell com <br /> • Advanced GeoEnvironrnental,Inc Client Project ID Flag City Chevron Date Sampled 06/15/04 <br /> 837 Shaw Road Date Received 06/16/04 <br /> Chent Contact Tun Cuellar Date Extracted 06/17/04-06/18/04 <br /> Stockton,CA 95215 <br /> Client P O Date Analyzed 06117/04-06/18104 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Exttacuon method SW5030B Analytical methods SW8021B/8015Cm Work Order 0406263 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW6A W ND ND --- — -- 1 99 1 <br /> 002A MW613 W ND ND - — — 1 997 <br /> 003A MW9A W ND 18 — — — — 1 101 <br /> 004A MW9B W ND ND -- -- -_ 1 101 <br /> 005A MW9C W ND ND — — -- -- i I 101 <br /> 006A MW11A W ND,i ND <br /> 007A MWI1B W ND 43 I — — — -- I 98 <br /> 008A MWllC W ND f ND ! -- - — -- 1 101 <br /> 009A MW I ID W ND ND --- _ — - 1 100 <br /> 010A Influent I W ND — SID ND ND NID 1 I 103 <br /> 011A Effluent W ! ND - ND ND ND ND 1 101 <br /> f <br /> I <br /> Reporting Lumt for DF=1, :S ± <br /> 50 50 0 5 05 05 05 1 µg/L <br /> ND means not detected at or <br /> above the reporting hmit NA NA NA NA NA NA 1 mg(Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported to ug/L,soil/sludgelsohd samples to mg/kg, wipe samples inµg/wipe, <br /> product/otl/non-aqueous liquid samples in mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following desenptions 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 gasohne9,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,r)liquid <br /> sample that contains greater than-1 vol %sediment,j)reporting limit ruised due to high MTBE content,k)TPH pattern that does not appear to be <br /> denved 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 mquest <br /> DHS Certification No 1644 gels Rydehus, Lab Manager <br />