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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: AE11419 Sample Date/Time: Wednesday, May 22, 2002 11:25:47 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 cit\AE11419.307 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 7.000 24.744 -0.000 -0.00214 240.53 ug/L Li 6 44096.142 1.476 44096.142 ug/L > Se-1 45 334993.736 2.246 334993.736 ug/L Cr 52 7500.502 1.512 0.007 0.31481 3.27 ug/L Cr 53 1157.419 4.137 0.002 0.72450 11.43 ug/L Mn 55 336477.017 1.235 1.002 29.22390 1.07 ug/L Co 59 303.675 2.143 0.001 0.02027 6.66 ug/L Ni 60 623.028 2.365 0.002 0.33997 4.73 ug/L Cu 63 43639.602 1.050 0.130 11.42755 3.04 ug/L Cu 65 21303.479 0.577 0.063 11.32700 2.82 ug/L Zn 66 3680.449 3.327 0.040 2.42679 4.63 ug/L Zn 67 693.033 6.897 0.007 2.53372 8.46 ug/L Zn 68 3051.876 0.925 0.034 2.73704 1.78 ug/L > Ge 72 77904.507 0.984 77904.507 ug/L As 75 11400.010 1.478 0.009 0.43348 39.54 ug/L Se 77 1403.675 2.535 0.001 0.38283 87.91 ug/L Se 82 -24.756 114.790 -0.000 -0.07087 238.45 ug/L As-1 75 895.053 2.864 738.050 0.43051 3.47 ug/L Kr 83 4035.603 1.848 -606.630 ug/L Ag 107 180.670 6.391 -0.000 -0.05230 2.61 ug/L Cd 111 49.001 15.408 0.000 0.01028 33.51 ug/L Cd 114 113.975 8.293 0.000 0.01444 12.34 ug/L in 115 1096316.029 0.530 1096316.029 ug/L Sb 121 423.347 0.136 0.000 0.05028 0.70 ug/L Sb 123 340.823 6.931 0.000 0.05239 8.43 ug/L Ba 135 38399.311 0.482 0.023 17.44262 0.40 ug/L Ba 137 66849.905 0.997 0.040 17.38275 0.92 ug/L Ho 165 1714553.607 1.047 0.014 ug/L > Tb 159 1687886.593 0.455 1687886.593 ug/L Hg 201 46.001 20.738 0.000 0.01382 54.72 ug/L Hg 202 92.335 9.083 0.000 0.01007 30.44 ug/L TI 205 430.015 9.329 -0.000 -0.00596 24.23 ug/L Pb 208 11502.289 1.183 0.006 0.27316 1.49 ug/L

Sample ID:AE11419 Report Date/Time: Wednesday, May 22, 2002 11:27:44 Page 1

NYC-WTC_000054254

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NYC-WTC_000054254Source: NYC Law Department, mirrored locally

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