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ICPMS daily performance check report, May 22, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 22, 2002.

NYC-WTC_000054157–000054373

Folder label: “ICPMS 5/22/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: LRB Sample Date/Time: Wednesday, May 22, 2002 09:53:47 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\LRB.283 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 6.667 8.660 -0.000 -0.00553 25.62 ug/L Li 6 49706.779 3.261 49706.779 ug/L Se-1 45 379433.491 0.784 379433.491 ug/L Cr 52 5534.406 0.164 -0.001 -0.06241 9.72 ug/L Cr 53 451.349 2.549 -0.000 -0.19136 7.26 ug/L Mn 55 1632.830 3.808 0.001 0.04344 8.89 ug/L Co 59 148.336 13.489 -0.000 -0.00052 391.42 ug/L Ni 60 39.000 9.245 0.000 0.00040 444.58 ug/L Cu 63 209.671 16.689 0.000 0.01030 75.18 ug/L Cu 65 107.335 14.975 0.000 0.00054 1403.35 ug/L Zn 66 647.696 6.892 0.001 0.03113 74.15 ug/L Zn 67 147.336 2.743 0.000 0.09710 4.21 ug/L Zn 68 499.685 6.241 0.001 0.04699 42.56 ug/L > Ge 72 85656.947 2.055 85656.947 ug/L As 75 11603.201 0.558 -0.002 -0.10479 163.13 ug/L Se 77 1451.099 0.347 -0.000 -0.19977 95.96 ug/L Se 82 -148.915 88.210 -0.002 -0.71625 97.70 ug/L As-1 75 114.335 16.254 -42.668 -0.02489 43.55. ug/L Kr 83 4430.457 2.663 -211.776 ug/L Ag 107 1209.093 7.555 0.000 0,05343 18.02 ug/L Cd 111 61.001 14.292 0.000 0.01336 24.33 ug/L Cd 114 124.415 11.121 0.000 0.01447 14.93 ug/L > In 115 1193878.204 1.538 1193878.204 ug/L Sb 121 92.335 13.101 0.000 0.0)464 29.09 ug/L Sb 123 68.650 20.912 0.000 0.0)376 58.22 ug/L Ba 135 44.667 11.489 -0.000 -0.0 )673 31.32 ug/L Ba 137 60.667 13.221 0.000 0.0 )221 86.12 ug/L Ho 165 1813192.735 1.376 0.004 ug/L > Tb 159 1802947.661 0.474 1802947.661 ug/L Hg 201 87.335 33.858 0.000 0.0.250 52.07 ug/L Hg 202 203.338 15.177 0.000 0.04490 23.14 ug/L TI 205 665.698 5.015 0.000 0.00136 84.31 ug/L Pb 208 1732.749 1.885 -0.000 -0.00291 34.23 ug/L

Sample ID: LRB Report Date/Time: Wednesday, May 22, 2002 09:56:26 Page 1

NYC-WTC_000054182

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