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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax: 510-798-1622 <br /> Advanced GeoEnvironmental,Inc. Client Project ID: Church Property Date Sampled:07/09/96 <br /> 1803 West March Lane,Suite A Date Received:07/10/96 <br /> Stockton,CA 95207 Client Contact:Bill Little Date Extracted:07/10/96 <br /> Client P.O: Date Analyzed: 07/10/96 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030.modified 8015.and 8020 or 602;California RW CB SF Bay Re ion method GCFID(5030 <br /> Lab ID Client ID Matrix TPH(g)* MTBE Benzene Toluene Ethylben- Xylenes % Rec. <br /> zene Surrogate <br /> 66629 M W I/7-9-96 W 15,OOO,a 41 190 960 370 2000 102 <br /> 66630 MW2/7-9-96 W ND 16 ND ND ND ND 98 <br /> 66631 MW3/7-9-96 W ND ND ND ND ND ND 99 <br /> 66632 M W4/7-9-96 W 18,000,a 100 590 110 700 2100 106 <br />• <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected <br /> above the reporting limit S 1.0 mgfkg 0.05 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 chromatogram;sample peak coelutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation:a)unmodified or weakly modified gasoline is si�tificant;b)heavier gasoline <br /> range compounds are significant(aged gasoline?);c)lighter gasoline range compounds(the most mobile fraction) <br /> are significant gasoline aso e range compounds having broad chromatographic peaks are significant; biologically <br /> altered gasoline?; 6) 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)Iighter than water immiscible <br /> . sheen is present; i) liquid sample that contains greater than 5 vol.% sediment;j) no recognizable pattern. <br /> DH S Certification No. 1644 4z Edward Hamilton,Lab Director <br />