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i <br /> 110 2nd Avc,nuc South, #D7, Pacheco,CA 94553 <br />' McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' Advanced GeoEnvironmental,Inc Client Project ID Stewart's Beacon Date Sampled 01/02/97 <br /> 1803 West March Lane,Suite A Date Received 01/03/97 <br /> IStockton,CA 95207 Client Contact Kevin McKibben Date Extracted 01/03/97 <br /> Client P O Date Analyzed 01/03/97 <br />' Gasoline Range(C6-02) Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether* &BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California R\y CB SF Bav Re ion method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes % Rec <br /> zene Surrogate <br /> 72584 MWI/1-2-97 W 3000,b ND< 4 18 21 28 360 103 <br />' 72585 MW2/1-2-97 W ND 510 ND ND ND ND 103 <br /> 72586 MW3/1-2-97 W ND ND ND ND ND ND 96 <br />' 72587 MW4/1-2-97 W ND ND ND ND ND ND 103 <br /> 1 <br /> 1 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected <br /> above the reporting Inuit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP extracts in mg/L <br /> cluttered chromatograin,sample peak coelutes%with surrogate peak <br />' f The following descriptions of the TPH chromatogram are curs orryy in nature and McCampbell Analytical is not <br /> responsible for their interpretation a unmodified or weakly modified gasoline is sinificant,b) heavier asoline <br /> range compounds are signiPcant(agcd gasoline?),c) lightergasoline range compoun5s(the most mobile action) <br />' are significant d) aso inc range conipourids hamig broad chromatogiaphic peaks are significant, biologically <br /> altered gasoline,c, rPH pattern thaE does not appear to be derived from gasoline (?), f) one to a few isolated <br /> . peaks present,g}stronglyaged ggasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i) liquid samplIc that contains greater than— 5 Nol % sediment,j) no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> I <br />