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ICPMS daily performance check report, May 24, 2002

Machine-extracted title · confidence 98%

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: AE11415 Sample Date/Time: Friday, May 24, 2002 11:30:25 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\AE11415.378 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 3.333 34.641 -0.000 -0.00336 87.35 ug/L Li 6 55962.952 0.612 55962.952 ug/L > Se-1 45 397465.556 0.277 397465.556 ug/L Cr 52 8339.240 1.392 0.005 0.25094 6.29 ug/L Cr 53 1230.762 5.512 0.002 0.82119 8.15 ug/L Mn 55 316616.091 1.826 0.794 23.10289 1.69 ug/L Co 59 287.007 7.705 0.000 0.01490 14.96 ug/L Ni 60 657.030 5.889 0.002 0.31034 6.38 ug/L Cu 63 5251.903 1.774 0.013 1.20094 1.79 ug/L Cu 65 2569.389 1.936 0.006 1.20123 1.84 ug/L Zn 66 3340.647 1.230 0.032 1.90251 1.77 ug/L Zn 67 714.369 4.370 0.007 2.34516 3.90 ug/L Zn 68 2887.821 1.690 0.029 2.30792 2.23 ug/L > Ge 72 83826.578 1.224 83826.578 ug/L As 75 12727.125 1.392 0.010 0.51192 16.82 ug/L Se 77 1571.486 0.912 0.001 0.53640 22.75 ug/L Se 82 -145.256 26.026 0.000 0.00457 4339.69 ug/L As-1 75 656.030 1.248 547.695 0.29171 1.49 ug/L Kr 83 4699.595 2.500 -148.079 ug/L Ag 107 224.005 7.616 -0.000 -0.00471 40.35 ug/L Cd 111 40.000 17.500 0.000 0.00704 43.77 ug/L Cd 114 80.345 2.477 0.000 0.00634 4.62 ug/L In 115 1121952.341 0.800 1121952.341 ug/L Sb 121 413.014 5.452 0.000 0.05019 5.28 ug/L Sb 123 330.998 10.460 0.000 0.05401 10.27 ug/L Ba 135 37376.718 0.149 0.022 17.12312 0.96 ug/L Ba 137 64279.099 0.818 0.038 16.85124 0.36 ug/L Ho 165 1691079.538 1.881 0.005 ug/L > Tb 159 1668718.370 1.112 1668718.370 ug/L Hg 201 31.334 26.574 -0.000 -0.00534 130.29 ug/L Hg 202 69.001 16.461 -0.000 -0.00361 109.59 ug/L TI 205 538.355 14.308 -0.000 -0.00010 2748.10 ug/L Pb 208 2846.204 0.713 0.001 0.03697 3.86 ug/L

Sample ID: AE11415 Report Date/Time: Friday, May 24,2002 11:32:21 Page 1

NYC-WTC_000054469

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