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I <br /> I 10 Second Avenue South,#137,Pacheco,CA 94553 <br /> 4 McCAMPBELL ANALYTICAL INC TL-Icphone 510-798-1620 Fax 510-798-1622 <br /> http//NNwwr­nccai­npbellcorn E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Pio)ect ID Thiee B's Tiuck Plaza Date Sampled 09/23/97 <br />' 1803 West March Lane, Ste A Date Received 09/25/97 <br /> Stockton, CA 95207 Client Contact Tim Cuellai Date Extracted 09125-09127197 <br />' Client P O Date Analyzed 09125-09/27/97 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline" N%ith Meths 1 tert-Butyl Ether'* &BTEX* <br />' EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)} MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 81153 PI-5 S 2000,a ND<14 13 57 25 120 ---# <br /> 1 81159 P2-15 S 3200,a ND<95 31 78 37 180 107 <br /> 81164 P3-20 S 430,a ND<7 14 1 7 42 22 117" <br /> 81 165 P4-5 S 2200,a ND<4 5 60 37 30 160 112" <br /> 81169 P1-H20 W 8200,a,i ND<100 460 790 210 1000 107 <br /> 81170 P2-H20 W 30,000,a,h,l ND<1300 4000 2700 910 4300 108 <br /> 811,71 P3-HBO W 120,000,a,h,t ND<1400 17000 19 000 3100 17,000 105 <br /> 81172 P4-H20 W 76,000,a,h,r ND<900 1300 8500 1900 12,000 97 <br /> Reporting Limit unless <br /> otherwise stated,ND W 50 ug/L. 50 0 D 05 0 5 05 <br /> means not detected <br /> above the reporting S 1 0 mg/kg 003 0 005 0 005 0 005 0 005 <br /> ]unit <br /> "water and vapor samples are reported m ug/L,wipe samples rn ugN ipe soil and sludge samph.s in mgll g,and al]ICLP and SPLP extracts <br /> in uglL <br /> "cluttered chromatogram,sample peak coelutes with sun ogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in netuie and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, h) heater gasoline range compounds are sigrnficant(aged <br /> gasoline?), c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline9,e)TPH pattern that does not appear to be dei ived from gasoline O),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 3)no recognizable pattem <br /> DHS Certification No 1644 Edwaid Hamilton, Lab Director <br /> I <br />