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1 <br /> Ito 2nd Avenue South,AP,Pacheco,CA 94553-5560 <br /> EAMEcCa=:m:pb:e1J Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' h //www mccampbell com E-mail maniCc4niccairipbell corn <br /> Advanced GeoEnviromnental,Inc Client Project ID National Freight Date Sampled 03/20/03 <br /> 837 Shaw Road Date Received 03/21/03 <br /> Stockton,CA 95215 Client Contact Paul Dotson Date Extracted 03/24/03-03/25/03 <br /> LClientP O Date Analyzed 03/24/03-03/25/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extractionmethod SW5030B Analyticelmethods SW8021B/0015Cm Work Order 0303365 <br />' Lab ID Client ID Matrix TPH(g) MTBE Benzene 'toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW1 W 480,g,h ND ND ND ND ND 1 993 <br />' 002A MW2 W ND ND ND ND ND ND 1 981 <br /> 003A MW3 W ND ND ND ND ND ND 1 991 <br />' 004A MW4 W ND ND ND ND ND ND 1 964 <br /> 005A MW5 W ND ND ND ND ND ND 1 962 <br /> r * <br /> Reporting Lmnt for DF—1, <br /> W 50 5 00 5 OS OS OS 1 µg/L <br />' ND means not detected at or <br /> above the reporting lirmt S NA NA NA NA NA NA 1 mg/Kg <br /> "water and vapor samples are reported inµg/L,soil and sludge samples in mg/kg,wipe samples inµg/wipe,and TCLP extracts inµg(L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions ofthe 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 gasoline9),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 sheenlproduct is present,1)liquid <br /> sample that contains greater than--2 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 <br /> • DHS Certification No 1644 _ Angela Rydehus,Lab Manager <br />