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110 2nd Avenue South SD7 Pacheco CA 94553 5560 <br /> LA <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798 1622 <br /> httpJ/www mccampbell corn Email mam@mLcampbell corn <br /> Advanced GeoEnvuonmental, Inc Client Project ID Pacific Mini Mart- Date Sampled 03/10/03 <br /> March 03 <br /> 837 Shaw Road Date Received 03/11/03 <br /> Client Contact Bill Little Date Extracted 03/13/03 <br /> Stockton,CA 95215 <br /> I <br /> [Client P O Date Analyzed 03/13/03 <br /> -------------- i I <br /> Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical metbods SW8021B/8015Cm Work Order 0303138 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %55 <br /> 001A Effluent W ND ND ND ND ND ND 1 114 <br /> I002A Influent W 2500,a 250 320 24 l0 310 10 112 <br /> I <br /> I I <br /> I <br /> f — <br /> I• <br /> Reporting Limit for DF=1 W 50 5 0 0 5 0 5 0 5 o5 1 1tg/L <br /> I ND means not detected at or <br /> above the reporting hirvt S NA NA NA NA NA NA l rng/Kg <br /> "water-and vapor samples are reported inµg(L,soil and sludge samples in mg/kg,wipe samples in pg/wipe,and TCLP extracts inµg/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 /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are signrf cant(aged gasohne9),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 spint9),0 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,I)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> denved from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Angela Rydelius,Lab Manager <br />