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ICPMS daily performance check report, May 24, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 24, 2002.

NYC-WTC_000054375–000054546

Folder label: “ICPMS 5/24/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Standard 2 Sample Date/Time: Friday, May 24, 2002 08:57:58 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\newyork city\Standard 2.349 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 26019.113 1.469 0.420 60.10865 1.50 ug/L Li 6 61896.291 0.829 61896.291 ug/L Se-1 45 469447.767 2.205 469447.767 ug/L Cr 52 592347.640 1.293 1.246 60.08584 2.80 ug/L Cr 53 69796.946 0.443 0.147 59.90082 2.05 ug/L Mn 55 969983.287 0.802 2.065 60.06778 1.91 ug/L Co 59 687142.051 0.843 1.464 60.03735 1.60 ug/L Ni 60 140855.672 1.253 0.300 60.19065 2.70 ug/L Cu 63 297249.201 0.675 0.633 59.86267 2.69 ug/L Cu 65 145297.956 1.833 0.309 60.07377 3.77 ug/L Zn 66 96410.550 1.369 0.993 59.75725 1.04 ug/L Zn 67 17084.878 1.197 0.176 59.86356 1.09 ug/L Zn 68 71855.919 0.653 0.739 59.76609 0.63 ug/L > Ge 72 96252.866 1.065 96252.866 ug/L As 75 130529.333 1.073 1.222 60.02325 1.48 ug/L Se 77 12560.012 0.727 0.114 59.81814 2.00 ug/L Se 82 12771.187 0.871 0.136 59.71122 1.72 ug/L As-1 75 112593.130 1.106 112483.462 59.91069 1.11 ug/L Kr 83 4980.414 2.132 -176.433 ug/L Ag 107 594489.396 0.303 0.469 59.64225 0.91 ug/L Cd 111 158148.310 0.250 0.125 59.91802 0.65 ug/L Cd 114 369233.621 0.700 0.292 59.90883 0.36 ug/L > in 115 1264166.943 0.606 1264166.943 ug/L Sb 121 511601.784 0.566 0.405 60.11318 0.27 ug/L Sb 123 392113.258 1.130 0.310 60.05984 0.61 ug/L Ba 135 145516.494 0.211 0.078 59.86432 1.14 ug/L Ba 137 255282.695 1.473 0.137 60.08442 0.98 ug/L Ho 165 1875810.772 1.664 -0.003 ug/L > Tb 159 1859720.052 1.061 1859720.052 ug/L Hg 201 6622.144 1.258 0.004 4.94257 1.72 ug/L Hg 202 15288.665 0.541 0.008 4.97099 1.35 ug/L TI 205 1730143.734 0.957 0.930 60.05429 0.20 ug/L Pb 208 2366034.220 1.031 1.271 60.11072 0.42 ug/L

Sample ID: Standard 2 Report Date/Time: Friday, May 24, 2002 08:59:54 Page 1

NYC-WTC_000054382

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