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1 <br /> 7 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> F7McCAMPBELL ANALYTICAL INC. Tele: 510-798-1620 Pax:510-798-1622 <br /> 6 <br /> ' Advanced GeoEnvironmental,Inc. Client Project ID: Shockey Trucking Date Sampled:03/27/97 <br /> 1803 West March Lane, Suite A Date Received:03/28/97 <br /> ' Stockton CA 95207 Client Contact:Bill Little Date Extracted: 03131-04/01/97 <br /> Client P.O: Date Analyzed:03/31-04101197 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,Frith Meth3l tert-But3i Ether*&BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602•California RW CB SF Ba Re ion method GCF1D(5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes % Rec. <br /> ' zene Surrogate <br /> 74829 MW 113-27-97 W 160,g ND 0.65 ND ND 5.5 101 <br /> 74830 MWN <br /> 2/3-27-97 W ND D ND ND ND ND 102 <br /> 74837o <br /> 74831MW3/3-27-97 W ND ND ND ND ND ND 104 <br />' 74832 MW4/3-27-97 W ND ND ND ND ND 0.63 99 <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 mg/kg 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 v-ith surrogate peak <br /> 1 + The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation: a)unmodified or weak] modified gasoline is significant;b) heavier gasoline <br /> range compounds are sigh ificant(aged gasoline?);c)lighter gasoline rane compounds(the most mobile fraction) <br />' are significant; d) asoline range compounds having broadchromatographic peaks are significant; biological] <br /> y <br /> altered gasoline?;e} TPH pattern that does not appear to be derived ti om gasoline (?); f) one to a few isolated <br /> peaks present;g)stronglyaged gasoline ordieselrange 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 /> 1 <br /> DH S Certification No. 1644 fi,� Edward Hamilton,Lab Director <br />