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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: AE08066 Sample Date/Time: Wednesday, April 10, 2002 13:52:15 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08066.483 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 11.333 26.956 0.000 0.00934 84.26 ug/L Sc-1 45 420149.139 1.123 420149.139 ug/L Cr 52 9834.750 1.894 0.010 0.52773 6.97 ug/L Cr 53 1792.195 0.201 0.003 1.25133 1.83 ug/L Mn 55 198865.109 9.607 0.468 15.90978 10.41 ug/L Ni 60 726.703 1.874 0.002 0.36464 2.60 ug/L Cu 63 23757.575 0.996 0.055 5.22383 0.32 ug/L Cu 65 11574.815 2.126 0.027 5.29802 3.20 ug/L Zn 66 2156.944 3.707 0.018 1.03104 4.97 ug/L Zn . 67 550.022 4.413 0.005 1.62403 6.56 ug/L Zn 68 2122.269 1.755 0.019 1.52871 1.68 ug/L > Ge 72 82588.616 0.589 82588.616 ug/L As 75 805.791 9.894 0.007 0.32698 14.83 ug/L Se 77 185.337 5.323 0.001 0.51289 15.05 ug/L Se 82 161.670 6.227 -0.000 -0.03154 186.57 ug/L Ag 107 157.003 4.809 -0.000 -0.05528 1.38 ug/L > In 115 1113092.120 0.661 1113092.120 ug/L Sb 121 469.684 4.092 0.000 0.05761 4.94 ug/L Sb 123 383.201 5.783 0.000 0.06111 5.61 ug/L Ba 135 36433.228 0.963 0.024 15.84288 0.86 ug/L Ba 137 63481.516 0.825 0.041 15.83948 0.96 ug/L Ho 165 1532554.125 1.095 0.138 ug/L > Tb 159 1536253.219 0.144 1536253.219 ug/L TI 205 353.677 5.412 -0.000 -0.01629 5.67 ug/L Pb 208 5913.820 0.295 0.003 0.14946 0.52 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 74.684 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE08066 Report Date/Time: Wednesday, April 10,2002 13:53:49 Page 1

NYC-WTC_000040581

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NYC-WTC_000040581Source: NYC Law Department, mirrored locally

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