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q <br /> Q <br /> :} U <br /> . 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele.510-798-'1620 Fax:510-798-1622 <br /> Advanced GeoEnvironmental Client Project ID: Shinn Property Sampling Date Sampled:04/12/96 <br /> 1803 West March Lane,Ste.A Date Received:04/13/96 <br /> Stockton,CA 95207 Client Contact: Bill Little i Date Extracted:04/15/96 <br /> Client P.O: ; Date Analyzed:04115-04116196 <br /> j Gasoline Range(C6-C12)Volatile Hydrocarbons as 1 Gasoline*,with BTEX* <br /> EPA methods 5030.modified 80I5,and 8020 or 602;California RW CB SF Bay Region)method GCFID(5030 <br /> + �f Ethylben- % Rec. <br /> Lab ID Client ID Matrix TPH(g) Benzene Toluene Xylenes <br /> It zene Surrogate <br /> i 63261 Tank# 1-2 S --- 0.64 11 5.9 5.1 34 100 <br /> 63262 Tank#2-1 S 32,000,b,d ND< 0.5 ND< 0.5 ND,' 0.5 2400 103 <br /> k <br /> iG <br /> s' <br /> E <br /> i <br /> li <br /> 1 <br /> Reporting Limit unless other- W 50 ug/L 0.5 1j0.5 0.5 0.5 <br /> wise stated;ND means not de- . <br /> ji <br /> tected above the reporting limit S 1.0 mg/kg 0.005 0.005 ;; 0.005 0.005 <br /> h <br /> * <br /> water and vapor samples are reported in ug/L,soil samples in mg/kg;?and all TCLP extracts in mg/L <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak } <br /> i <br /> + The followingdescri tions of the TPH chromato am are cursory in mature and McCampbell Analytical is not <br /> responsible fortheirinterpretation:a) unmodified or weakly modified gasoline is significant b)heaver gasoline <br /> range compounds are sign ficant(aged gasoline?);c)lipter gasoline range compounds(the most mobile fraction) <br /> are siWnificant; d) asoline range compounds having broad chromatogaphic peaks are significant; biologically <br /> altered gasoline?; e} TPH pattern that does not appear to be derived from gasoline Q);f) one to a few isolated <br /> peaks present;g)strongigged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is present; i) liquid sample that contains greater than 5 vol.% sediment;j)no recognizable pattern. <br /> I,�f <br /> DHS Certification No, 1644 Edward Hamilton,Lab Director <br /> iy <br />