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1 ! - <br /> 110 2nd Avenue S. n ffD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc I Telephone 925-798-1620 Fax 925-798-1622 <br /> FA' h //www mcc bell corn E mail_Ti:tn(arwcanTbc11 com <br /> . Advanced GeoEnvironrnental,Inc Client Project ID Fire Station#2 -SVE Date Sampled 01/16/03 <br /> 01/03 <br />' 837 Shaw Road Date Received 01/17/03 <br /> Stockton,CA 95215 Client Contact Bill Little Date Extracted 01/17/03-01/21/03 <br /> Client P O Date Analyzed 01/17/03-0I/21/03 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method Sw5030B Analytical methods SW802113/8015Cm Work Order 0301215 <br /> Lab ID Client ID Matrix TPH(g) MTHE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A SVE Effluent A 27,a I ND ND 035 ND 046 1 93 5 <br /> I <br /> I <br /> Reporting Linin for DF=1 A 25 25 025 025 025 025 L µg11 <br /> I ND means not detected at or <br /> [,, <br /> above the reporting limit NA NA NA NA NA NA 1 mg/Kg <br /> "water and vapor samples are reported in gg/L,soil and sludge samples in mg/kg,wipe samples in lig/wipe,and TCLP extracts in lig/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 significant(aged gasolme9),c)lighter gasoline range <br /> I compounds(the most mobile fraction)are significant,d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasolme9,e)TPH pattern that does not appear to be derived from gasoline(Stoddard solvent/mineral spint9),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,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 j <br /> „ —A&Pdward Hamilton,Lab Director <br /> I <br />