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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: AE08486 Sample Date/Time: Monday, April 22, 2002 13:09:34 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08486.509 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 8.333 18.330 -0.000 -0.01631 25.73 ug/L > Se-1 45 484883.129 1.992 484883.129 ug/L Cr 52 13124.265 0.768 0.011 0.57462 3.40 ug/L Cr 53 1657.834 2.612 0.002 0.76902 9.15 ug/L Mn 55 276808.837 1.173 0.567 19.61018 2.92 ug/L Ni 60 1020.067 1.673 0.002 0.33955 1.49 ug/L Cu 63 40048.092 1.158 0.082 7.44112 1.65 ug/L Cu 65 19865.552 1.856 0.040 7.45162 3.28 ug/L Zn 66 3678.114 1.431 0.031 1.86451 1.58 ug/L Zn 67 826.046 2.484 0.007 2.29857 0.94 ug/L Zn 68 3352.318 1.097 0.029 2.34117 2.35 ug/L > Ge 72 95504.426 1.777 95504.426 ug/L As 75 936.357 6.951 0.009 0.45265 8.05 ug/L Se 77 212.079 12.648 0.001 0.46061 36.38 ug/L Se 82 168.337 1.495 0.001 0.30361 4.12 ug/L Ag 107 188.004 4.607 -0.000 -0.03920 2.70 ug/L > In 115 1300354.511 1.028 1300354.511 ug/L Sb 121 508.353 5.607 0.000 0.05395 7.24 ug/L Sb 123 397.795 6.019 0.000 0.05482 5.45 ug/L Ba 135 43806.076 1.509 0.025 16.70538 0.11 ug/L Ba 137 75660.310 0.842 0.043 16.59906 0.61 ug/L Ho 165 1760120.187 0.708 0.000 ug/L > Tb 159 1775984.906 1.415 1775984.906 ug/L Hg 201 55.334 13.074 -0.000 -0.01068 57.31 ug/L Hg 202 117.669 9.087 -0.000 -0.00566 83.34 ug/L TI 205 931.057 3.922 -0.000 -0.00571 18.05 ug/L Pb 208 7409.594 5.346 0.003 0.16790 5.28 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 > Sc-1 45 114.256 Cr 52 Cr 53 Mn 55

Sample ID: AE08486 Report Date/Time: Monday, April 22,2002 13:11:15 Page 1

NYC-WTC_000040908

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NYC-WTC_000040908Source: NYC Law Department, mirrored locally

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