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HALEY& ALDRICH - Project#29626-000 <br /> Penny Newman Grain Elevator <br /> eg Stockton, California <br /> TEG PROJECT#40405C <br /> QA/QC DATA - MATRIX SPIKE ANALYSES- SOIL <br /> SAMPLE DATE DIESEL GASOLINE <br /> ' NUMBER ANALYZED mg/kg mg/kg <br /> HA-7-20 <br /> ' Spiked Conc 4/06/04 500 200 <br /> Measured Conc 497 185 <br /> % Recovery 994% 925% <br /> Spiked Conc 4/06/04 500 200 <br /> Measured Conc 525 199 <br /> ' % Recovery 1050% 995% <br /> RPD 55% 73% <br /> ACCEPTABLE RPD LIMIT= 15% <br /> QA/QC DATA - LCS/LCSD ANAL YSES- WATERS <br /> DATE DIESEL GASOLINE <br /> ANALYZED ug/L ug/L <br /> ' Spiked Conc 4/06/04 500 200 <br /> Measured Conc 537 193 <br /> ' %Recovery 107% 97% <br /> Spiked Conc 4/06/04 500 200 <br /> ' Measured Conc 574 212 <br /> %Recovery 115% 106% <br /> RPD 67% 94% <br /> ACCEPTABLE RPD LIMIT= 15% <br /> ANALYSES PERFORMED IN TEG-Northem California's DNS CERTIFIED LAB <br /> ANALYSES PERFORMED BY Mr Henry Wilkinson <br /> ' 11350 Monier Park Place, Rancho Cordova, CA 95742 Rhone (916) 853-8010 Fax (916) 853-8020 <br />