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(N;eg Blaes Environmental Project# 002-70950-06 <br /> U-Haul #70950 <br /> Stockton, California <br /> TEG Project#60308D <br /> QA/QC DATA - MATRIX SPIKE ANALYSES - SOIL <br /> SAMPLE DATE MTBE BENZENE TOLUENE O XYLENE <br /> NUMBER ANALYZED ug/kg ug/kg ug/kg ug/kg <br /> DPB-150 <br /> Spiked Conc 3/08/06 500 500 500 500 <br /> Measured Conc 502 506 462 499 <br /> % Recovery 100% 101% 92% 100% <br /> Spiked Conc 3/08106 500 500 500 500 <br /> Measured Conc 494 457 42 7 496 <br /> %Recovery 99% 91% 85% 99% <br /> RPD 16% 102% 79% 06% <br /> ACCEPTABLE RPD LIMIT=25% <br /> ANALYSES PERFORMED IN TEG-Northem California's LAB <br /> ANALYSES PERFORMED BY Mr John Henkelman <br /> 1350 Monier Park Place, Rancho Cordova, CA 95742 Phone (916) 853-8010 Fax (91 S) 853-8020 <br />