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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> 1�iMcCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> ' http//wwwtnccaTTbe1lcom Email maul caiupbell cam <br /> Advanced GeoEnvironmental, Inc Client Project ID MBP-Manteca Date Sampled 12/09/02 <br /> 837 Shaw Road Date Received 12/10/02 <br /> ' Client Contact Bill Little Date Extracted 12/12/02-12114/02 <br /> Stockton,CA 95215 <br /> Client P O Date Analyzed 12/12/02-12/14/02 <br /> 1 Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Crn Work Order 4212154 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW i W ND 1800 ND ND ND ND 1 902 <br /> ' 002A MW2 W ND 50 ND ND ND ND 1 101 <br /> 003A MW3 W ND ND ND ND ND ND 1 102 <br /> ' 004A MW4 W ND ND ND ND ND ND 1 103 <br /> 005A MW5 W ND ND ND ND ND ND I 104 <br /> ' 006A MW6 W ND ND ND ND ND ND 1 102 <br /> 007A MW7 W ND,i 99 ND ND ND ND 1 904 <br /> ' 008A MW8 W ND ND ND ND ND ND 1 103 <br /> 1 <br /> 1 <br /> Reporting]nut for DF—1 W 50 50 0 5 05 0 5 0 5 1 <br /> ND means not defected at or �� <br /> above the reporting limit S NA NA NA NA NA NA 1 mglKg <br /> *water and vapor samples are reported in gg/L,sots and sludge samples in mg/kg,wipe samples in jig/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 stgnificant(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 gasoline",c)TPII pattern that does not appear to be der:-.cd from gasoline(stoddard solvent/mineral spirit?),0 one tun few isolates)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,a)reporting limit raised due to high MTBE content,k)TPI-1 pattern that does not appear to be <br /> derived from gasoline(aviation gas) m)no recognizable pattem <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />