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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: AE08682 Sample Date/Time: Monday, April 22, 2002 13:19:10 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08682.512 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 5.667 44.411 -0.000 -0.02458 31.34 ug/L Se-1 45 494879.593 2.161 494879.593 ug/L Cr 52 12952.018 1.877 0.010 0.52695 10.65 ug/L Cr 53 1631.829 2.552 0.002 0.71379 4.40 ug/L Mn 55 221377.268 0.641 0.443 15.33452 1.81 ug/L Ni 60 955.060 6.456 0.001 0.30391 11.19 ug/L Cu 63 5477.705 1.228 0.010 0.91634 1.02 ug/L Cu 65 2708.431 1.580 0.005 0.91081 3.31 ug/L Zn 66 1727.181 3.815 0.011 0.63356 4.93 ug/L Zn 67 522.020 2.259 0.004 1.24299 2.12 ug/L Zn 68 1928.224 2.803 0.014 1.13913 4.34 ug/L Ge 72 96222.875 0.929 96222.875 ug/L As 75 883.579 4.096 0.008 0.42137 3.67 ug/L Se 77 200.038 4.978 0.001 0.38071 18.02 ug/L Se 82 162.003 3.704 0.001 0.26722 10.62 ug/L Ag 107 156.336 6.046 -0.000 -0.04255 1.60 ug/L In 115 1316502.906 1.581 1316502.906 ug/L Sb 121 451.016 6.125 0.000 0.04661 5.59 ug/L Sb 123 341.405 2.350 0.000 0.04578 3.05 ug/L Ba 135 43848.934 0.341 0.024 16.58313 1.64 ug/L Ba 137 75948.702 0.832 0.042 16.52200 0.99 ug/L Ho 165 1782831.956 2.035 0.004 ug/L > Tb 159 1791129.253 1.603 1791129.253 ug/L Hg 201 39.000 2.564 -0.000 -0.02494 3.79 ug/L Hg 202 93.668 17.907 -0.000 -0.01513 46.27 ug/L n 205 893.386 5.549 -0.000 -0.00757 23.77 ug/L Pb 208 3539.304 5.989 0.001 0.04899 10.64 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Sc-1 45 116.611 Cr 52 Cr 53 Mn 55

Sample ID: AE08682 Report Date/Time: Monday, April 22, 2002 13:20:51 Page 1

NYC-WTC_000040914

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NYC-WTC_000040914Source: NYC Law Department, mirrored locally

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