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r <br /> Analyticalechnologies,lnc. <br /> err'} GAS CHROMATOGRAPHY - QUALITY CONTROL <br /> MSMSD <br /> Page 5 <br /> Test : MOD EPA 8015-CDOHS (FUEL HYDROCARBONS/BTXE) ATT I.D. 506152 <br /> MSMSD # : 76549 Date Extracted: N/A <br /> Client : ALISTO ENGINEERING Date Analyzed : 21-JUN-95 <br /> Sample Matrix : WATER <br /> Project # : G317905/10-151-03/004 REF I.D. : 506151--02 <br /> Project Name: BP SITE#11195/LATHROP, CA <br /> -------------------------_-------------------------------------------------------------------------_--- <br /> Parameters Units Sample Conc Spiked % Dup Dup RPD <br /> Result Spike Sample Rec Spike % Rec <br /> ----------------------------------------------- <br /> BENZENE UG/L <0.50 5.0 5.4 108 5.5 110 2 <br /> TOLUENE UG/L <0.50 5.0 5.7 114 5.6 112 2 <br /> % Recovery = (Spike Sample Result - Sample Result)*100/Spike Concentration <br /> RPD (Relative Difference) _ (Spiked Sample Result - Duplicate Spike Result)*100/Average Result <br /> .r <br />