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I If)Second Avenue South,#D7 Pacheco,CA 94553 <br /> 1 McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http//wavmccdmVbelIcoi E-mail matn a mccampbell com <br /> i <br /> 1 Advanced GeoEnvironinental ChentProject ID Chase Chevrolet- Date Sampled 12/04/97 <br /> 4005 North Wilson Way Madison i Date Received 12/06/97 <br /> 1 Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 12/06-12/10/97 <br /> 1 Client P O Date Analyzed I2/06-12/10/97 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,«ith Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602 Cahfomia RWQC B(SF B i% Rtgion)mobod(,(1-1 D(,,030) <br /> 1 Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethen en Xylenes %Recovery <br /> ze Surrogate <br /> 83788 GP35-20 W 51,000,a,e,h,i ND<200 460 540 1800 3400 101 <br /> 1 83789 GP35-45 W 640,e,a,i ND 1 O 99 23 99 <br /> 83790 GP37 W 1600,a,t ND<10 270 71 220 16 103 <br /> 1 83791 GP35-20 S 4800,gd ND<2 13 N°D<O 1 41 64& 104 <br /> 1 83792 GP35-25 S 16,000,g,I I`iD<5 49", 19 78 350 105 <br /> 83793 GP35-40 S ND 1\D ND ND 0 007 0 022 105 <br /> lie 83794 GP36-20 S ND ND ND ND ND ND 98 <br /> 83795 GP36-30 S 9 6,g ND ND ND ND 0 016& 100 <br /> ' 83796 GP36-35 S ND ND ND ND ND ND 105 <br /> 83797 GP37-20 S 1 0,a ND 0 042 ND 0 078 0 016 99 <br /> 83798 GP37-25 S ND ND ND ND ND ND 96 <br /> 83799 GP37-35 S 890,g,1 ND<O 4 ND<O 0" !! 0 16^ 0 57" 9 3& 98 <br /> 83800 GP37-50 S 76„g,1 ND ND f 0 01 1”- ND 0 55& 106 <br /> 8380E GP37-60 S 27,g ND ND ND ND 0018 100 <br /> a'Result not to substantial agreement with EPA 8260 presuin.ibl\ due to the less ceitaut compound identification/ <br /> resolution inherent in EPA method 8020,or due to sample inhomogeneity <br /> ' Reporting Lama unless W 50 u /L 5 0 05 0 05 05 <br /> otherwise stated,ND8 <br /> means not detected <br /> above the reporting S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> ' limit <br /> *m ater and vapor samples are reported to ug/L,wipe samples in ugh+ipe soil and+ludge%ampks in mg/6g and all TCLP and SPLP extracts <br /> in uglL <br /> 1 °cluttered chromatogram sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory m nauiie and Nic(ampbell Analyucal is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is stgniticant h) hta\iLi ga-,ohne range compounds are significant(aged <br /> gasoline') c) lighter gasoline range compounds (the most mobile irtttinn) are tiignilicani d) gasoline range compounds having broad <br /> chromatographic peaks are significant, biologically altered gasoline' e) I PH piitein that does not appear to be derived from gasoline <br /> (stoddard solven19),0 one to a few isolated peaks present, g)strongly aged ga%ohi;t or diesel range compounds are significant,h)lighter <br /> than water immiscible sheen is present,i)liquid sample that contains greater than—5%of %Stdnnent })no recognizable pattern <br /> 1 DHS Certification No 1644 Z14 Edward Hamilton,Lab Director <br />