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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07115 Sample Date/Time: Monday, April 15,2002 10:44:56 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07115.508 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 10.667 28.641 0.000 0.00530 142.24 ug/L Se-1 45 537568.516 0.407 537568.516 ug/L Cr 52 20346.282 1.182 0.022 1.24355 2.31 ug/L Cr 53 2970.516 4.296 0.004 1.65271 6.20 ug/L Mn 55 745223.469 1.814 1.383 48.92802 2.18 ug/L NI 60 2811.129 1.790 0.005 1.15860 2.17 ug/L Cu 63 7923.531 1.348 0.014 1.33677 1.07 ug/L Cu 65 3405.672 2.752 0.006 1.17523 3.29 ug/L Zn 66 3046.874 1.576 0.023 1.26365 5.12 ug/L Zn 67 930.724 3.869 0.007 2.33577 6.69 ug/L Zn 68 3359.321 2.152 0.027 2.09854 4.39 ug/L > Ge 72 105689.133 2.599 105689.133 ug/L As 75 616.121 10.686 0.006 0.27914 13.36 ug/L Se 77 -383.322 15.607 -0.004 -1.29212 14.87 ug/L Se 82 154.670 8.537 0.000 0.15674 43.84 ug/L Ag 107 208.671 5.596 -0.001 -0.06439 2.19 ug/L Cd 111 1072.899 2.958 -0.000 -0.05170 14.68 ug/L Cd 114 169.177 7.660 0.000 0.00580 21.04 ug/L In 115 1444686.045 3.412 1444686.045 ug/L Sb 121 700.701 3.734 0.000 0.06745 7.68 ug/L Sb 123 535.913 5.885 0.000 0.06882 2.75 ug/L Ba 135 89225.419 2.189 0.045 29.18028 1.05 ug/L Ba 137 149543.772 0.277 0.076 28.19046 0.99 ug/L > Tb 159 1967752.162 1.242 1967752.162 ug/L Ho 165 1887200.883 1.579 0.103 ug/L TI 205 1644.499 7.893 -0.000 -0.01869 21.27 ug/L Pb 208 5879.476 2.159 0.002 0.10624 2.60 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 91.403 Cr 52 Cr 53 Mn 55

Sample ID:AE07115 Report Date/Time: Monday, April 15, 2002 10:46:43 Page 1

NYC-WTC_000040689

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