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GAS CHROMATOGRAPHY - QUALITY CONTROL <br /> BLANK SPIKE <br /> Page 11 <br /> ;' st MOD EPA 8015-CDOHS (FUEL HYDROCARBONS/BTXE) ATI I .D. 601161 <br /> .ank Spike #: 61223 Date Extracted: N/A <br /> Aent ALISTO ENGINEERING Date Analyzed 26-JAN-96 <br /> -::oject # G620562/10-136-05-003 Sample Matrix WATER <br /> ^oject Name : BP SITE #11193/3202 W. HAMMER LANE, STOCKTON,CA <br /> rameters Units Blank Spiked----_`--r __________ ___ <br /> Spike <br /> Result Sample Conc. Rec <br /> ----------------------------------- <br /> ;ENZENE UG/L <0.50 5.1 5.0 102 <br /> ")LUENE UG/L <0'.50 5.3 5.0 106 <br />`s Recovery = (Spike Sample Result - Sample Result) *100/Spike Concentration <br />:.PD (Relative $ Difference) _ (Spiked Sample - Blank Result) *100/Average Result <br /> i <br />