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ICPMS daily performance check report, April 22, 2002

Machine-extracted title · confidence 95%

Daily instrument performance verification log for ICPMS analysis including intensity and standard deviation data for multiple elements.

NYC-WTC_000040871–000040923

Folder label: “ICPMS 4/22/01

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08482 Sample Date/Time: Monday, April 22, 2002 12:56:46 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08482.505 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit Be 9 8.000 12.500 -0.000 -0.01742 14.36 ug/L > Se-1 45 487167.695 2.125 487167.695 ug/L Cr 52 13707.798 0.944 0.012 0.63258 6.08 ug/L Cr 53 1397.455 3.673 0.001 0.52234 11.94 ug/L Mn 55 217198.490 0.173 0.442 15.28327 2.01 ug/L Ni 60 956.393 1.420 0.001 0.31038 1.27 ug/L Cu 63 18582.493 0.916 0.037 3.38628 1.31 ug/L Cu 65 9281.495 1.143 0.019 3.41219 1.20 ug/L Zn 66 11188.660 1.354 0.110 6.60039 2.89 ug/L Zn 67 1900.551 2.688 0.018 6.01029 3.76 ug/L Zn 68 8881.092 1.915 0.088 6.98844 0.11 ug/L Ge 72 95126.495 1.815 95126.495 ug/L As 75 891.847 13.428 0.009 0.43039 12.74 ug/L Se 77 183.207 6.098 0.001 0.29435 15.95 ug/L Se 82 170.337 8.392 0.001 0.31611 19.57 ug/L Ag 107 1228.095 5.653 0,000 0.06200 12.30 ug/L > In 115 1325803.707 1.150 1325803.707 ug/L Sb 121 827.046 10.498 0.001 0.08903 9.92 ug/L Sb 123 621.750 9.424 0.000 0.08654 8.84 ug/L Ba 135 44857.517 0.801 0.024 16.61761 0.91 ug/L Ba 137 77727.401 2.027 0.042 16.56285 1.24 ug/L Ho 165 1820070.795 0.855 0.005 ug/L > Tb 159 1828275.986 0.874 1828275.986 ug/L Hg 201 111.002 4.767 0.000 0.03427 11.24 ug/L Hg 202 245.672 6.543 0.000 0.04069 16.43 ug/L TI 205 1025.735 5.516 -0.000 -0.00303 63.62 ug/L Pb 208 9424.345 0.488 0.004 0.2212-2 0.49 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 114.794 Cr 52 Cr 53 Mn 55

Sample ID: AE08482 Report Date/Time: Monday, April 22, 2002 12:58:27 Page 1

NYC-WTC_000040900

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NYC-WTC_000040900Source: NYC Law Department, mirrored locally

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