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110 2nd Avenue South,#137,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h2R//www mccampbell corn E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID D I K Tracy Date Sampled 11/28/01 <br /> 837 Shaw Road Enterprises Date Received 11/30/01 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 12/03-12/04/01 <br /> Client P O Date Analyzed 12/03-12/04/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030 modified 8015,and 8020 or 602,California RWQCB(SF Say Region)method GCFID(5030) <br /> Lab Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> ID benzene Surrogate <br /> 84528 P-15/20to25 W 320,a,i N1)<50 6 9 41 12 5 0 1 1 6 <br /> 84529 P-15/45to50 W ND ND 1 3 096 ND 1 3 95 <br /> 84530 P-15/76to81 W 220,a,i ND 7 6 3 4 1 6 5 7 102 <br /> 84531 P-15/ 100to105 W 550,a ND 22 11 78 29 113 <br /> 84532 P-151 120to 125 W 2300,a,i ND<10 57 28 24 88 <br /> I <br /> r <br /> r <br />' Reporting Limit unless W 50 ug/L 5 0 05 0 5 0 5 - 0 5 <br /> otherwise stated,ND means <br /> not detected above the <br /> reporting limit S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> A 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 responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline), L) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant biologically altered gasolme9,e)TPH pattern that does not appear to be derived from gasoline(v),f) <br /> one to a few isolated peaks present,g)strongly aged 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 1)no recognizable pattern <br /> DHS Certification No 1644 Edward Harrulton,Lab Director <br />