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. � r <br /> GAS CHROMATOGRAPHY - QUALITY CONTROL <br /> BLANK SPIKE <br /> Page 10 <br /> est MOD EPA 8015-CDOHS (FUEL HYDROCARBONS/BTXE) ATI I D 601026 <br /> lank Spike # 60917 Date Extracted N/A <br /> Tient ALISTO ENGINEERING Date Analyzed 09-JAN-96 <br /> roDect # G620563/10-085-09-002 Sample Matrix WATER <br /> roDect Name BP SITE #11194 2375 TRACY BLVD TRACY, CA <br /> ---------------------------------------- <br /> erameters Units Blank Spiked Spike %; <br /> Result Sample Conc Rec <br /> ---------------------------------------------- <br /> ENZENE UG/L ¢0 50 4 9 5 0 98 <br /> DLUENE UG/L <0 50 4 9 5 0 98 <br /> Recovery = (Spike Sample Result - Sample Result) *100/Spike Concentration <br /> PD (Relative k Difference) _ (Spiked Sample - Blank Result) *100/Average Result <br />