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riivanferra <br /> r <br /> Ens•rronmental <br /> Services <br /> LABORATORY CONTROL SAMPLE REPORT (cont. ) <br /> Metals Analysis and Preparation s f <br /> Project: 092397 i <br /> Category: GFAAiO-S Furnace AA Metals <br /> Test: AS-QC-FAA-CAMP-S <br /> QC Lot: 29 MAR 97-GX <br /> Matrix: SOLID QC Run: 29 MAR 97-G Y <br /> Concentration Units: mg/Kg <br /> Concentration Accuracy M r <br /> Analyte Spiked Measured LCS Limits <br /> Arsenic 4.00 3.63 91 49-159 <br /> Cadmium 0.200 0. 186 93 26-174 <br /> Chromium 2.00 2. 10 105 53-140 , <br /> Lead 2.00 2.04 102 52-141 <br /> Selenium 2.00 _ 1 .95 98 52-149 <br /> Thallium 5.00 4.76 95 50-150 <br /> n <br /> { y � 444JJJ <br /> t .f <br /> a r 7 <br /> r <br /> L <br /> I <br /> t �Y <br /> e <br /> Calculations are performed before rounding to avoid round-off errors in calculated results . <br />