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Enseco <br /> LABORATORY CONTROL SAMPLE REPORT <br /> Metals Analysis and Preparation <br /> Concentration Accuracy(%) Precision(RPD) <br /> Analyte Spiked Measured LCS1 LCS2 Limits LCS Limits <br /> LCS1 LCS2 <br /> Category: PB-FAA-A <br /> Matrix: AQUEOUS <br /> QC Lot: 01 MAR 89-A <br /> Concentration Units: mg/L <br /> Lead 0.020 0.0211 0.0213 106 106 82-115 0.0 11 <br /> Category: ICP-A <br /> Matrix: AQUEOUS <br /> QC Lot: 03 MAR 89-B <br /> Concentration Units: mg/L <br /> Aluminum 2.00 1 .82 1.82 91 91 85-115 0.0 10 <br /> Antimony 0.50 0.488 0.469 98 94 85-115 4.2 10 <br /> Arsenic 2.0 1 .88 1 .96 94 98 85-115 4.2 10 <br /> Barium 2.0 1.82 1 .82 91 91 85-115 0.0 10 <br /> Beryllium 0.050 0.0489 0.0489 98 98 80-115 0.0 10 <br /> Boron 1.0 1 .02 0.990 102 99 85-115 3.0 10 <br /> Cadmium 0.050 0.0460 0.0420 92 84 80-117 9. 1 10 <br /> Calcium 100 96.6 97.5 97 98 85-115 1 .0 10 <br /> Chromium 0.20 0. 185 0.180 92 90 85-115 2.2 10 <br /> Cobalt 0.50 0.471 0.468 94 94 85-115 0.0 10 <br /> Copper 0.25 0.221 0.221 88 88 85-115 0.0 10 <br /> Iron 1 .0 0.916 0.915 92 92 85-115 0.0 10 <br /> Lead 0.50 0.456 0.458 91 92 85-115 1 .1 10 <br /> Lithium 0.20 0.212 0.203 106 102 85-115 3.8 10 <br /> Magnesium 50 45.6 46.0 91 92 85-115 1 . 1 10 <br /> Manganese 0.50 0.462 0.460 92 92 85-115 0.0 10 <br /> Molybdenum 0.20 0.193 0.193 96 96 85-115 0.0 10 <br /> Nickel 0.50 0.465 0.445 93 89 83-115 4.4 10 <br /> Potassium 50 48.0 48.5 96 97 83-115 1 .0 10 <br /> Selenium 2.0 2.02 1 .94 101 97 85-115 4.0 10 <br /> Silver 0.050 0.0451 0.0441 90 88 56-116 2.2 35 <br /> Sodium 100 90.8 91 .3 91 91 85-115 0.0 10 <br /> Thallium 2.0 1 .86 1.88 93 94 84-118 1 .1 10 <br /> Tin 0.40 0.358 0.370 90 92 80-115 2.2 15 <br /> Titanium 0.20 0.187 0.187 94 94 85-115 0.0 10 <br /> Vanadium 0.50 0.444 0.448 89 90 82-115 1.1 20 <br /> Zinc 0.50 0.458 0.457 92 91 80-115 1.1 20 <br />