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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: AE07766 Sample Date/Time: Wednesday, April 10, 2002 12:26:52 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07766.460 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 r Be 9 22610.981 1.480 0.049 52.88962 0.65 ug/L > Se-1 45 464257.313 1.593 464257.313 ug/L Cr 52 438320.393 1.005 0.931 50.69693 1.88 ug/L Cr 53 52072.573 1.068 0.111 51.11146 1.23 ug/L Mn 55 907233.636 1.095 1.949 66.21124 0.89 ug/L Ni 60 105093.705 0.819 0.226 49.20962 0.96 ug/L Cu 63 246207.954 0.525 0.529 50.00407 1.08 ug/L Cu 65 121155.638 1.488 0.261 50.48273 2.41 ug/L Zn 66 83702.099 1.136 0.909 52.53668 3.47 ug/L Zn 67 14563.803 1.052 0.158 51.55649 3.22 ug/L Zn 68 61315.700 0.621 0.666 52.30254 2.78 ug/L Ge 72 91278.365 2.352 91278.365 ug/L As 75 95587.959 0.738 1.044 52.12952 2.63 ug/L Se 77 8454.681 0.466 0.091 54.25435 2.53 ug/L Se 82 11478.691 1.220 0.124 54.68177 3.32 ug/L Ag 107 475613.219 0.911 0.380 46.96304 0.77 ug/L In 115 1249142.527 0.209 1249142.527 ug/L Sb 121 445696.901 1.462 0.357 52.69499 1.44 ug/L Sb 123 342745.689 1.183 0.274 52.17101 0.98 ug/L Ba 135 165299.981 2.003 0.094 63.01571 2.15 ug/L Ba 137 288800.684 0.919 0.165 63.16017 0.54 ug/L Ho 165 1736609.556 0.761 0.130 ug/L Tb 159 1754092.648 0.687 1754092.648 ug/L Tl 205 1144488.560 1.535 0.652 47.31858 0.92 ug/L Pb 208 1549721.198 0.482 0.882 47.31241 0.58 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 105.783 > Sc-1 45 82.525 Cr 52 100.594 Cr 53 101.565 Mn 55 100.029 Ni 60 97.745 Cu 63 98.170

Sample ID: AE07766 Report Date/Time: Wednesday, April 10,2002 12:29:11 Page 1

NYC-WTC_000040535

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NYC-WTC_000040535Source: NYC Law Department, mirrored locally

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