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<br /> DUPLICATE CONTROL SAMPLE REPORT
<br /> r ` Metals Analysis and Preparation
<br /> Analyte Concentration Accuracy Precision
<br /> Spiked Measured Averagge']]
<br /> DCSI t)CS2 AVG OCS LimiEs APD)
<br /> Category: ICA-AT
<br /> Matrix: AQUEOUS
<br /> QC Lot: 20 ADR 91-A
<br /> Concentration Units: mg/L
<br /> Aluminum 2 00
<br /> Antimony L,50 01.85 426 01428 01427 8S 85-115 0.5 10
<br /> Arsenic 0.5 0.476 0.463 0. 70
<br /> Barium 4 94 85-315 2.9 10
<br /> Boron
<br /> 2.0 478 1.91 1.91 96 85-115 0.2 10
<br /> Barco 0.050 O.O�i78 0.0484 0.0481 96 80-115 1.1 10
<br /> Cadmium 1,0 1.03 1 .02 1.02 102. 85-I15 0.8 10
<br /> Calcium 0.050 0.0493 0.0458 0.0474 95 81-1I8 6.9 10
<br /> Chromite, 100 I05 105 105 105 85-115 0.0 10
<br /> Cobalt 0.20 0,185 0.183 0.184 92 85-115 0.9 ]0
<br /> Copper 0.50 0.481 0.484 0.481 96 85-115 0.2 10
<br /> Iron 0.25 0.245 0.245 0.245 98 85-115 0.0 10
<br /> Lead 0150 1.01 0-979 98 85-115 6.2 Ia
<br /> 0.487
<br /> Lithium 0.50 0.493 0.490 98 85-115 1.2 10
<br /> Magnesium 0.205 0.204 0-204 102 85-115 0.3 10
<br /> Manganese 50 51-4 51.2 5I.3 103 85-115 0.4 10
<br /> MalCyd'�:urn 0.50 0.481 0.480 0.481 96 85-115 0.4 10
<br /> liicke, 0.20 0.182 0.180 0.181 91 85-115 1.1 IO
<br /> Potassium 0.50 0.474 0-483 0-478 96 83-115 1.8 10
<br /> Selenium 5a 50.6 50.8 50.7 101 83-115 0.4 10
<br /> Silver 0.050 0.0463 0.0465 O,D1.94 .94 37 85-115 0.1 10
<br /> Sodium 100 93 56-lie 0,5 35
<br /> lballium 101 i01 101 101 85-115 0,3 10
<br /> Tin 2.0 1.86 1.83 1.87 93 84-118 1.3 10
<br /> Titanium 4.0 2.98 2.75 2.86 72# 80-115 8.1 l5
<br /> Vanadium
<br /> 0.20 0.174 0.177 0.175 88 8;-I15 1.7 10
<br /> Zinc 0.50 0.475 0.476 0.475 95 82-115 0.2 20
<br /> 0 50 0.503 0.504 0.503 101 80-115 0.2 20
<br /> # a Recovery outside QC Li:n`its
<br /> !'1Calculations are perfarmc-d before rounding to avoid round-off errors in calculated results.
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