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Method 200.8 summary report, Dec 12 2001

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Summary report of Method 200.8 analysis results for multiple analytes including beryllium, chromium, and nickel from December 12, 2001.

NYC-WTC_000066921–000067006

Folder label: “NEWQ 12/12/01 28043-28429 copies made

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: QCS Sample Date/Time: Wednesday, December 12, 2001 16:41:29 Sample Type: Sample Sample Description: 100 PPB Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWQ200.8. mth Dataset File: d:\Elandata\Dataset\daily performance\QCS.525 Sample Prep Volume (mL): Initial Sample Quantity (mg): Aliquot Volume (mb): Diluted To Volume (mb):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 85423.668 0.767 0.067 103.09051 0.74 ug/L I: Sc-1 45 1275683.322 0.069 1275683.322 ug/L Cr 52 2393671.095 1.440 1.855 100.41654 1.49 ug/L Cr 53 278485.434 0.916 0.218 98.43699 0.91 ug/L I Mn 55 3972476.087 1.403 3.113 101.27242 1.37 ug/L I Ni 60 701390.947 0.906 0.549 . 97.53421 0.90 ug/L I Cu 63 1568138.334 0.492 1.225 100.51269 0.48 ug/L L Cu 65 752350.546 0.580 0.588 100.20679 0.59 ug/L r Zn 66 465574.323 0.028 2.067 101.02789 0.81 ug/L I Zn 67 80903.906 1.106 0.359 100.29079 0.30 ug/L I Zn 68 335238.245 0.299 1.488 100.54543 0.54 ug/L i> Ge 72 223400.946 0.818 223400.946 ug/L I As 75 447296.440 0.946 2.003 98.27536 0.32 ug/L I Se 77 42137.188 0.889 0.187 100.75486 0.09 ug/L L Se 82 55808.336 0.424 0.249 100.51873 0.58 ug/L r Y 89 2942091.973 0.786 -0.012 ug/L I Ag 107 2550777.441 0.679 0.857 99.59514 0.60 ug/L i> In 115 2974896.698 0.077 2974896.698 ug/L I Sb 121 1627804.901 0.811 0.547 96.63557 0.74 ug/L L Sb 123 1261040.089 0.374 0.423 97.71831 0.30 ug/L r Ba 135 542298.592 0.799 0.135 98.61765 1.42 ug/L Ba 137 939917.116 1.061 0.234 97.19256 1.58 ug/L Tb 159 3959322.198 0.691 0.001 ug/L I: Ho 165 4014209.931 0.638 4014209.931 ug/L I Bi 209 2835209.163 0.550 0.003 ug/L I Tl 205 6416023.179 0.545 1.598 98.98815 0.64 ug/L I Pb 208 8544768.451 0.379 2.126 100.25446 0.47 ug/L' L Au 197 1726695.491 0.132 -0.067 mg/L

Sample ID: QCS Report Date/Time: Wednesday, December 12, 2001 16:43:13 Page 1

NYC-WTC_000066973

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