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� n � <br /> Centrum <br /> (800) 798-9336 <br /> QC Sample Report - EPA 8020 <br /> Matrix Sod <br /> Batch# 8020W1 178 <br /> Batch Accuracy Results <br /> Sample ID Laboratory Control Sarnpje Analytical Notes <br /> C <br /> o w <br /> W +. <br /> U E <br /> C � J <br /> C p�y U > <br /> U o ro 8 li <br /> U d - <br /> Y N of it U) <br /> U <br /> Analyte cn E o ¢ o a <br /> Benzene 0 10 97 70 - 130 Pass <br /> Toluene 010 92 70 - 130 Pass <br /> Ethyl Benzene 0 10 96 70 - 130 Pass <br /> m-, p-Xylene 020 94 70 - 130 Pass <br /> lo-Xylene 010 92 70 - 130 Pass <br /> Batch Precision Results <br /> MS/MSD Sample ID Labor tory Control Sample Analytical Notes <br /> E <br /> J w CL <br /> C J <br /> N <br /> E E a E <5 — <br /> sn ani p ami a' c U LL <br /> > > > W <br /> U U W Q Vel <br /> Anal a cn tz u X a o �� 0- <br /> Benzene 0 097 0 096 1% 25% Pass <br /> Toluene 0 092 0 091 1% 25% Pass <br /> Ethyl Benzene 0 096 0 094 2% 25% Pass <br /> mw, p-Xylene 0 188 0 188 0% 25% Pass <br /> a-Xylene 0 092 0 092 0% 25% Pass <br /> MS Matrix Spike Sample <br /> MSD Matrix Spike Duplicate <br /> Page 5 of 5 <br /> ® nn P—I a rap„ <br />