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r I� <br /> kbanterra <br /> 1 <br /> Environmental <br /> services <br /> f ATRIX SPIKE/MATRIX SPIKE DUPLICATE QC REPORT <br /> olatile Organics by GC ;! , <br /> Project: 092397 <br /> Uatt: <br /> egory: 602-A Aromatic Volatile Organics <br /> 8020 BTX-A Method: 8020 <br /> Matrix: AQUEOUS <br /> I ''am ie: 092397-0019 <br /> > Run: 25 MAR 97-40A j <br /> its: u9/L } <br /> ------ Concentration --------- <br /> Sample MS MSD Spiked %Recovery Control RPD <br /> nalyte Result Result Result ,MS/MS°D MS MSD Limits %RPD Limit <br /> Lnzene ND 8.1 8.4 ;; 10 81 84 39-150 3.4 - 50 <br /> l uene 0.51 8.6 8.8 10 81 83 46-148 2.2 25 <br /> Ethylbenzene ND 9.7 9.5 10 97 95 32-160 2.2 35 <br /> " ,lenes (total ) ND 27 26 X30 89 88 65-135 0.68 35 <br /> i <br /> t � <br /> I' <br /> i` <br /> II <br /> Not Detected <br /> ,I <br /> 1.1culations areerformed before rounding to avoid round-off errors in calculated results. <br /> L P 9 <br /> i <br /> t <br /> i' <br />