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r110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> F��McCaimpbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell.com F-mail mam@Tnecampbell corn <br /> Advanced GeoEnvlronmental,Inc Client Project ID Stockton Fire Station Date Sampled 06/11/02 <br /> • 837 Shaw Road Date Received 06/12/02 <br /> Stockton,CA 95215 Client Contact Bill Little Date Extracted 06/12/02-06/13/02 <br /> Client P O Date Analyzed 06/12/02-06/13/02 <br /> 1 Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> tracuon method SW50308 Analytical methods SW8021B/8015Cm Work Order 0206183 <br /> 1 Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A Influent A ND ND ND ND ND ND 0 5 105 <br /> 1 002A Effluent A ND ND ND ND ND ND 0 5 99 1 <br /> 1 <br /> 1 <br /> 1 <br /> li <br /> 1 <br /> 1 <br /> 1 <br /> Reporting Lunt for DF=1, A 50 50 05 0 5 0 5 05 ug/L <br /> 1 means not detected at or <br /> above the reporting limit mg/Kg <br /> 1 0 0 05 0 005 0 005 0 005 0 005 m /K <br /> abg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/vnpe,and TCLP extracts in ug/L <br /> 1 DF=dilution factor <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 1 +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 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 gasolme7,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent),f)one to a few isolated non-target peaks present, <br /> 1 g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,i)liquid sample that <br /> contains greater than—2 vol %sediment,l)no recognizable pattern,k)TPH pattern that does not appear to be derived from gasoline(aviation gas) <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br /> 1 <br />