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ICPMS daily performance check report, May 3, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 3, 2002.

NYC-WTC_000052963–000053092

Folder label: “ICPMS 5/3/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE09094 Sample Date/Time: Friday, May 03, 2002 15:29:23 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\AE09094.748 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 8.000 25.000 -0.000' -0.00274 146.36 ug/L > Se-1 45 470662.495 2.277 470662.495 ug/L Cr 52 9139.686 3.155 0.004 0.17985 28.48 ug/L Cr 53 1257.099 1.280 0.001 0.50869 2.34 ug/L Mn 55 249970.430 1.584 0.527 15.75860 3.87 ug/L Ni 60 1013.733 5.131 0.002 0.36788 7.97 ug/L Cu 63 7691.663 0.932 0.016 1.57474 3.05 ug/L Cu 65 3813.839 4.888 0.008 1.55073 7.33 ug/L Zn 66 2887.488 2.148 0.017 1.02491 2.93 ug/L Zn 67 666.698 6.582 0.004 1.36686 9.66 ug/L Zn 68 2498.702 2.596 0.016 1.26750 3.17 ug/L > Ge 72 100490.707 0.656 100490.707 ug/L As 75 8166.464 1.651 0.005 0.23348 25.03 ug/L Se 77 1044.476 2.720 0.000 0.13864 115.16 ug/L Se 82 2914.163 1.899 0.000 0.00438 5915.40 ug/L Ag 107 95.335 11.314 -0.000 -0.02341 4.26 ug/L Cd 111 57.667 13.909 0.000 0.00112 222.42 ug/L Cd 114 135.026 21.218 0.000 0.00113 373.67 ug/L > in 115 1226550.487 2.984 1226550.487 ug/L Sb 121 430.681 10.695 0.000 0.04787 8.57 ug/L Sb 123 313.319 2.277 0.000 0.04437 0.79 ug/L Ba 135 37482.516 2.409 0.021 14.56845 1.61 ug/L Ba 137 65047.877 0.717 0.037 14.95945 3.90 ug/L Ho 165 1726302.477 1.512 0.021 ug/L Tb 159 1776020.590 3.205 1776020.590 ug/L Hg 201 33.334 18.083 -0.000 -0.02213 26.38 ug/L Hg 202 64.334 19.435 -0.000 -0.01420 32.40 ug/L 71 205 332.009 9.096 -0.000 -0.01273 6.40 ug/L Pb 208 4643.512 3.062 0.002 0.07711 2.52 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 76.792 Cr 52

Sample ID: AE09094 Report Date/Time: Friday, May 03, 2002 15:31:10 Page 1

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