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Adilk <br /> ' W 110 2nd Avenue SW,PD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone 925-798-1620 Fax 925-798-1622 <br /> liehttp//www mccampbell com E-mail main@mccampbell corn <br /> ' Advanced GeoEnvironmental Client Project ID Pacific Pnde-El Date Sampled 06/03/99 <br /> Date Received 06/07/99 <br /> 4005 North Wilson Way Dorado � <br /> ' Stockton,CA 95205 Client Contact Tim Cuellar Date Extracted 06/07-06110/99 <br /> Client P O Date Analyzed 06/07-06/10199 <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 B SF Bay Region)method GCFID 5030 <br /> Lab ID Client 1D Matrix TPH(gr MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> zene Surrogate <br /> 12676 P1-HZO W 23,000,a,i ND<100 1900 470 660 3300 109 <br /> 12677 P2-1-120 W 960,1,1 ND 3 7 17 44 5 1 103 <br /> 12678 P3-H2O W ND,i ND 45 ND ND ND 106 <br /> 12679 P4-H2O W 7200,a,h,i ND<110 660 13 170 110 107 <br /> I <br /> 1 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug4,wipe samples in ug/H ipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/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 responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(agH <br /> ' gasohne9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(9),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 no recognizable pattern <br /> DHS Certification No 1644 cy 1. Edward Hamilton,Lab Director <br />