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L'a <br /> �,�\i-raN�iC.0~;jachnologi�s,irc <br /> QUALITY CONTROL DATA ATI I.D. 004675 <br /> F TEST BTEX (8020) <br /> ks <br /> CLIENT : USTEC DATE ANALYZED 05/01/90 <br /> r"• PROJECT # : 90054 SAMPLE MATRIX SOIL <br /> PROJECT NAME : COKE STOCKTN UNITS MG/KG <br /> REF I.A. : 00467501 <br /> --------------------------------- <br /> --------- �------------------------------..r___—__—___----___DUP ---DUPr.— —.. <br /> SAMPLE CONC. SPIKED % SPIKED <br /> RESULT SPIKED SAMPLE REC.SAMPLE REC. RPD <br /> COMPOUNDS ---------------------------------------- <br /> ---------- <br /> -- ------ <br /> _ -----w---^----- •------------ <br /> r<0.025 1 0 0.95 95 0.87 87 9 <br /> BENZENE <0.025 1 .0 0.91 91 0.84 84 8 <br /> r� TOLUENE <0.025 1 .0 0.90 90 0.81 81 11 <br /> ETHYL BENZENE 40.025 3 .0 2.6 87 2.4 BO S <br /> XYLENES <br /> aF+ <br /> `........ <br /> 1 <br /> % Recovery = (Spike_Sample-Result <br /> ---Sample-Result) <br /> X 100 <br /> Spike Concentration <br /> RPD (Relative % Difference) = (Spiked Sample - Duplicate Spike) <br /> Result Sample Result <br /> _ _ N 10 0 <br /> --^-Average-of-Spiked Sample <br />