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ICPMS daily performance check report, April 10, 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_000040452–000040596

Folder label: “ICPMS 4/10/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07488 Sample Date/Time: Wednesday, April 10, 2002 10:40:18 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07488.435 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 10.000 62.450 0.000 0.00219 641.77 ug/L > Se-1 45 493258.703 1.784 493258.703 ug/L Cr 52 13179.680 1.711 0.013 0.70793 1.24 ug/L Cr 53 2537.379 0.878 0.004 1.65777 3.59 ug/L Mn 55 941036.263 1.129 1.903 64.64241 1.79 ug/L NI 60 1922.556 3.599 0.004 0.83599 3.40 ug/L Cu 63 48832.302 1.252 0.098 9.23646 0.60 ug/L Cu 65 24070.398 0.544 0.049 9.41185 2.21 ug/L Zn 66 4385.101 1.480 0.037 2.15050 1.45 ug/L Zn 67 1027.068 1.664 0.009 2.92752 1.49 ug/L Zn 68 4156.992 1.717 0.037 2.89782 2.06 ug/L > Ge 72 96397.017 0.417 96397.017 ug/L As 75 1424.791 1.659 0.012 0.57769 1.92 ug/L Se 77 339.010 3.191 0.002 1.26909 5.16 ug/L Se 82 289.007 3.408 0.001 0.42780 9.62 ug/L Ag 107 151.669 7.050 -0.000 -0.05841 1.51 ug/L > In 115 1310917.951 0.913 1310917.951 ug/L Sb 121 632.695 4.472 0.000 0.06655 4.16 ug/L Sb 123 513.657 7.289 0.000 0.07017 8.06 ug/L Ba 135 68142.791 0.749 0.038 25.09876 0.26 ug/L Ba 137 118975.456 1.631 0.066 25.14162 1.05 ug/L Ho 165 1813055.596 0.586 0.139 ug/L > Tb 159 1814557.742 0.643 1814557.742 ug/L Tl 205 609.693 3.938 -0.000 -0.00862 9.50 ug/L Pb 208 15737.783 0.497 0.008 0.40809 0.58 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 87.680 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE07488 Report Date/Time: Wednesday, April 10, 2002 10:41:52 Page 1

NYC-WTC_000040485

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NYC-WTC_000040485Source: NYC Law Department, mirrored locally

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