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�_ E1Seco ~ <br /> A Coming Company <br /> DUPLICATE CONTROL SAMPLE REPORT <br /> Metals Analysis and Preparation <br /> Concentration Accuracy)) P{reci}sion <br /> Analyte Spiked pCSl Measured AVG DCS DCSPDimit <br /> Category: ICP-S <br /> I Matrix: SOIL <br /> QC Lot: 05 JUL 91-N <br /> Concentration Units: mg/kg <br /> Aluminum 200 190 193 192 96 84-115 1.4 11 <br /> Antimony 50 49.1 51.1 50.1 100 81-115 4.1 10 <br /> Arsenic 50 44.2 43.0 43.6 87 82-115 2.8 10 <br /> Barium 200 192 196 194 97 85-115 2.2 10 <br /> Beryllium 5.0 4.91 5.01 4.96 99 70-110 2.1 10 <br /> Boron 100 91.7 95.9 93.8 94 85-115 4.4 10 <br /> Cadmium 5.0 4.61 4.75 4.68 94 81-118 3.0 15 <br /> Calcium 10000 9620 9810 9710 97 85-115 2.0 10 <br /> Chromium 20 18.2 18.8 18.5 93 84-115 3.0 17 <br /> Cobalt 50 44.7 46.1 45 4 91 80-115 3.1 10 <br /> Copper 25 24.2 24.7 24.4 98 81-115 1.7 10 <br /> Iron 100 90.0 91.9 90.9 91 85-115 2.1 14 <br /> Lead 50 47.5 46.8 47.1 94 80-115 1 .5 11 <br /> Lithium 20.0 16. 1 16.6 16.4 82# 85-115 3.0 10 <br /> Magnesium 5000 5040 5130 5080 102 85-115 1.7 10 <br /> Manganese 50.0 46.6 47 6 47.1 94 80-115 2.0 10 <br /> j <br /> Molybdenum 20.0 19.5 19.6 19.5 98 85-115 0.5 10 <br /> NiCKel 50.0 46.4 45.7 46.1 92 80-115 1 .4 10 <br /> Potassium 5000 4870 4980 4920 98 82-115 2.3 10 <br /> Selenium 200.0 178 187 182 91 84-115 4.9 10 <br /> Silver 5.0 4.42 4.56 4.49 90 62-115 3.2 10 <br /> Sodium 10000 9000 9160 9080 91 85-115 1 .7 10 <br /> Thallium 200 190 194 192 96 68-110 2.4 10 <br /> Tin 400 378 382 380 95 80-122 0.9 10 <br /> Titanium 200.0 179 183 181 91 85-115 2.2 10 <br /> Vanadium 50.0 46.9 47.9 47.4 95 85-115 2.2 10 <br /> Zinc 50 46.4 47.1 46.7 93 82-115 1 .5 10 <br /> r # - Recovery outside QC Limits <br /> Calculations are performed before rounding to avoid round-off errors in calculated results. <br /> r <br /> r � <br />