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�E 1..7 ..1-® <br />DUPLICATE CONTROL SAMPLE REPORT <br />Metals Analysis and Preparation <br />Concentration Accuracy Precision <br />Analyte Spiked Measured Average(%) (RPD) <br />DCS1 DCS2 AVG DCS Limits DCS Limit <br />Category: ICP -A <br />Matrix: AQUEOUS <br />QC Lot: 11 JUL 89-A <br />Concentration Units: mg/L <br />Aluminum <br />2.00 <br />1.96 <br />2.00 <br />1.98 <br />99 <br />85-115 <br />2.0 <br />10 <br />Antimony <br />0.50 <br />0.524 <br />0.524 <br />0.524 <br />105 <br />85-115 <br />0.0 <br />10 <br />Arsenic <br />2.0 <br />1.91 <br />2.01 <br />1.96 <br />98 <br />85-115 <br />5.1 <br />10 <br />Barium <br />2.0 <br />2.01 <br />2.04 <br />2.03 <br />101 <br />85-115 <br />1.5 <br />10 <br />Beryllium <br />0.050 <br />0.0510 <br />0.0510 <br />0.0510 <br />102 <br />80-115 <br />0.0 <br />10 <br />Boron <br />1.0 <br />0.960 <br />0.980 <br />0.970 <br />97 <br />85-115 <br />2.1 <br />10 <br />Cadmium <br />0.050 <br />0.0490 <br />0.0490 <br />0.0490 <br />98 <br />80-117 <br />0.0 <br />10 <br />Calcium <br />100 <br />98.4 <br />99.6 <br />99.0 <br />99 <br />85-115 <br />1.2 <br />10 <br />Chromium <br />0.20 <br />0.195 <br />0.196 <br />0.196 <br />98 <br />85-115 <br />0.5 <br />10 <br />Cobalt <br />0.50 <br />0.505 <br />0.511 <br />0.508. <br />102 <br />85-115 <br />1.2 <br />10 <br />Copper <br />0.25 <br />0.274 <br />0.281 <br />0.278 <br />111 <br />85-115 <br />2.5 <br />10 <br />Iron <br />1.0 <br />0.980 <br />1.01 <br />0.995 <br />100 <br />85-115 <br />3.0 <br />10 <br />Lead <br />0.50 <br />0.461 <br />0.449 <br />0.455 <br />91 <br />85-115 <br />2.6 <br />10 <br />Lithium <br />0.20 <br />0.189 <br />0.191 <br />0.190 <br />95 <br />85-115 <br />1.1 <br />10 <br />Magnesium <br />50 <br />48.4 <br />49.1 <br />48.8 <br />98 <br />85-115 <br />1.4 <br />10 <br />Manganese <br />0.50 <br />0.488 <br />0.497 <br />0.492 <br />99 <br />85-115 <br />1.8 <br />10 <br />Molybdenum <br />0.20 <br />0.189 <br />0.186 <br />0.188 <br />94 <br />85-115 <br />1.6 <br />10 <br />Nickel <br />0.50 <br />0.486 <br />0.509 <br />0.498 <br />100 <br />83-115 <br />4.6 <br />1010 <br />Potassium <br />50 <br />48.1 <br />48.5 <br />48.3 <br />97 <br />83-115 <br />0.8 <br />10 <br />Selenium <br />2.0 <br />1.92 <br />1.88 <br />1.90 <br />95 <br />85-115 <br />2.1 <br />10 <br />Silver <br />0.050 <br />0.0460 <br />0.0470 <br />0.0465 <br />93 <br />56-116 <br />2.2 <br />35 <br />Sodium <br />100 <br />96.7 <br />98.2 <br />97.4 <br />97 <br />85-115 <br />1.5 <br />10 <br />Thallium <br />2.0 <br />1.97 <br />2.04 <br />2.00 <br />100 <br />84-118 <br />3.5 <br />10 <br />Tin <br />0.40 <br />0.359 <br />0.332 <br />0.346 <br />86 <br />80-115 <br />7.8 <br />15 <br />Titanium <br />0.20 <br />0.191 <br />0.191 <br />0.191 <br />96 <br />85-115 <br />0.0 <br />10 <br />Vanadium <br />0.50 <br />0.480 <br />0.486 <br />0.483 <br />97 <br />82-115 <br />1.2 <br />20 <br />Zinc <br />0.50 <br />0.487 <br />0.491 <br />0.489 <br />98 <br />80-115 <br />0.8 <br />20 <br />Category: HG-CVAA-A <br />Matrix: AQUEOUS <br />QC Lot: 11 JUL 89-A <br />Concentration Units: mg/L <br />Mercury <br />0.0010 0.000976 <br />0.00106 0.00102 <br />102 85-126 <br />8.3 17 <br />Calculations <br />are performed before rounding to avoid <br />round -off errors <br />in calculated <br />results. <br />