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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: ICP-A <br /> Matrix: AQUEOUS <br /> QC Lot: 880825A <br /> Concentration Units: mg/L <br /> Aluminum 2.00 1 .88 1 .90 94 95 85-115 1 . 1 10 <br /> Antimony 0.500 0.469 0.474 94 95 85-115 1 . 1 10 <br /> Arsenic 2.00 1.88 1.93 94 96 85-115 2. 1 10 <br /> Barium 2.0 1 .95 1 .98 98 99 85-115 1 .0 10 <br /> Beryllium 0.0500 0.0468 0.0480 94 96 80-115 2. 1 10 <br /> Boron 1 .00 0.980 0.990 98 99 85-115 1 .0 10 <br /> Cadmium 0.0500 0.0417 0.0444 83 89 80-117 7.0 10 <br /> Calcium 100 97.5 99.5 98 100 85-115 2.0 10 <br /> Chromium 0.200 0. 185 0.190 92 95 85-115 3.2 10 <br /> Cobalt 0.500 0.473 0.484 95 97 85-115 2. 1 10 <br /> Copper 0.250 0.244 0.249 98 100 85-115 2.0 10 <br /> Iron 1 .00 0.953 0.975 95 98 85-115 3. 1 10 <br /> Lead 0.500 0.478 0.490 96 98 85-115 2. 1 10 <br /> Lithium 0.200 0.191 0.194 96 97 85-115 1 .0 10 <br /> Magnesium 50.0 47.4 48.2 94 96 85-115 2. 1 10 <br /> Manganese 0.500 0.465 0.472 93 94 85-115 1 . 1 10 <br /> Molybdenum 0.200 0.188 0.191 94 96 85-115 2. 1 10 <br /> Nickel 0.500 0.468 0.495 94 99 83-115 5.2 10 <br /> Potassium 50.0 47.0 47.8 94 96 83-115 2. 1 10 <br /> Selenium 2.00 1 .92 1.95 96 98 85-115 2. 1 10 <br /> Silver 0.0500 0.0413 0.0420 83 84 56-116 1 .2 35 <br /> Sodium 100 97.2 98.8 97 99 85-115 2.0 10 <br /> Thallium 2.00 1 .82 1 .85 91 92 84-118 1 . 1 10 <br /> Tin 0.400 0.386 0.388 96 97 80-115 1 .0 15 <br /> Titanium 0.200 0.194 0. 196 97 98 85-115 1 .0 10 <br /> Vanadium 0.500 0.457 0.465 91 93 82-115 2 .2 20 <br /> Zinc 0.500 0.474 0.483 95 97 79-109 2. 1 39 <br /> Category: PB-FAA-A <br /> Matrix: AQUEOUS <br /> QC Lot: 880818A <br /> Concentration Units: mg/L <br /> Lead 0.0200 0.0210 0.0208 105 104 82-115 1 .0 11 <br />