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Centrum <br /> (800) 798-9336 <br /> QC Sample Report - EPA 8020 <br /> Matrix Water <br /> Batch# 8020W1082 <br /> Batch Accuracy Results <br /> Sample ID Laboratory Control Sample Analytical Notes <br /> c <br /> U E <br /> .a <br /> U U xV <br /> C O La <br /> Ze U <br /> Analyte co E Q a a <br /> Benzene 0 02 97 70 - 130 Pass <br /> Toluene 002 98 70 - 130 Pass <br /> Ethyl Benzene 0 02 100 70 - 130 Pass <br /> m- p-Xylene 0 04 96 70 - 130 Pass <br /> lo-Xylene 0 02 95 70 - 130 Pass <br /> Batch Precision Results <br /> MS/MSD Sample ID Labor tory Control Sample nalytical Motes <br /> —1 0 <br /> E E N <br /> E Z' 2 �+ a v O c'n <br /> U3 4) O a� U 11. <br /> $ is d 40 <br /> Analyte cn cq t xr 0 D(X a- <br /> Benzene 0 239 0 242 1% 25% Pass <br /> Toluene 0 241 0 244 1% 25% Pass <br /> Ethyl Benzene 0 249 0 251 1% 25% Pass <br /> m-, p-Xylene 0 478 0 480 0% 25% Pass <br /> o-Xylene 0 240 0 238 1% 25% Pass <br /> MS Matrix Spike Sample <br /> MSD Matrix Spike Duplicate <br /> Page 5 of 5 <br />