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�JI►`Andyfica1Techno1ogies,1n6AS CHROMATOGRAPHY - QUALITY CONTROL <br /> BLANK SPIKE <br /> Pago4 <br /> Test MOD EPA 8015-CDOHS (FUEL HYDROCARBONS/BTXE) ATI I.D. 507253 <br /> Blank Spike #: 57950 Date Extracted: N/A <br /> Client : ALISTO ENGINEERING Date Analyzed : 02-AUG-95 <br /> Project # : PENDING/10-136-05-001 Sample Matrix : WATER <br /> Project Name : BP SITE#11193/3202 HAMMER LANE, STOCKTON, Cry, <br /> ------------------------------------------------------------------------------------------------ <br /> Parameters Units • Blank Spiked Spike % <br /> Result Sample Conc. Rec <br /> --------------------------------------------------- <br /> BENZENE UG/L <0.50 4.6 5.0 92 <br /> TOLUENE UG/L <0.50 4.9 5.0 98 <br /> % Recovery = (Spike Sample Result - Sample Result)*100/Spike concentration <br /> RPD (Relative % Difference) _ (Spiked Sample - Blank Result) *100/Average Result <br /> I <br />