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r` d <br /> 1 <br /> A. Technologies, <br /> QUALITY CONTROL DATA <br /> ATI I.D. 004675 <br /> TEST : FUEL HYDROCARBONS (MODIFIED EPA b1E'THOD 8015) <br /> CLIENT : USTEC DATE ANALYZED : 05/04/90 <br /> PROJECT # : 40054 <br /> PROJECT NAME : COKE STOCKTIr SAMPLE MATRIX SOIL <br /> REF I.D. 00467501 UNITS : MG/KG <br /> ------------------------------ ---------------- <br /> DUP. DUP. <br /> SAMPLE CONC. SPIKED % SPIKED $ <br /> COMPOUNDS RESULT SPIKED SAMPLE REC.SAMPLE REC. RPA <br /> — <br /> --------------------------------------------------- <br /> FUEL HYDROCARBONS <5 38 32 84 39 $9 1 <br /> ,r. <br /> E � ; <br /> tie <br /> w % Recovery = (Spike Sample Result - Sample Result) <br /> -------------------------------------- x 100 <br /> Spike Concentration <br /> RPD (Relative % Difference) _ (Spiked Sample - Duplicate Spike) <br /> Result Sample Result <br /> -------------------------------- x 100 <br /> Average of Spiked Sample <br />