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Wm J Hunter & Associates Project <br /> V' Manuel Sanchez Property <br /> Walts Refrigeration Service <br /> 1876 Country Club Drive, Stockton, Cahfornla <br /> TEG PROJECT#51025E <br /> QA/QC DATA - MATRIX SPIKE ANALYSES - SOIL <br /> DATE GASOLINE BENZENE TOLUENE ETHYLBNZ XYLENES <br /> ANALYZED mg/kg mglkg mg/kg mg/kg mg/kg <br /> Spiked Conc 10125/95 200 00100 00100 00100 00300 <br /> Measured Conc 212 00092 00084 00076 00249 <br /> %Recovery 1060% 920% 840% 760% 8310% <br /> Spiked Conc 10125195 200 00100 00100 00100 00300 <br /> Measured Conc 206 00089 00080 00074 00241 <br /> %Recovery 1030% 890% 800% 740% 803% <br /> RPD 29% 33% 49% <br /> 27% 33% <br /> ACCEPTABLE RPD LIMIT= 15% <br /> QA/QC DA TA - MATRIX SPIKE ANAL YSES- WA TERS <br /> DATE GASOLINE BENZENE TOLUENE ETHYLBNZ XYLENES <br /> ANALYZED u /1 uA uA uA u4 <br /> Spiked Conc 10125/95 2000 500 500 500 <br /> Measured Conc 15 00 <br /> 1710 460 416 376 1233 <br /> %Recovery 855% 920% 832% 752% 822% <br /> Spiked Conc 10125/95 2000 500 500 500 1500 <br /> Measured Conc 1616 457 418 378 1220 <br /> %Recovery 808% 914% 836% 756% 813% <br /> RPD 57% 07% 05% 05% 11% <br /> ACCEPTABLE RPD LIMIT= 15% <br /> ANALYSES PERFORMED IN TEG's DHS CERTIFIED MOBILE LAB (#2012) <br /> ANALYSES PERFORMED BY Mr Henry Wilkinson <br /> DATA REVIEWED BY Mr Mark Jerpbak <br /> E <br /> '1 r• 1 } <br /> Transglobal Environmental Geochemistry <br /> PO Box 162580, Sacramento, CA 95816 Phone (916) 736-3233 Fax (916) 452-5806 <br />