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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: AE11572 Sample Date/Time: Friday, May 24, 2002 12:34:20 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\AE11572.389 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 8.333 18.330 0.000 0.01208 32.09 ug/L Li 6 56898.075 0.732 56898.075 ug/L > Se-1 45 409835.386 0.695 409835.386 ug/L Cr 52 16330.824 2.355 0.024 1.17356 2.79 ug/L Cr 53 2221.294 4.180 0.004 1.52138 5.34 ug/L Mn 55 796412.158 0.485 1.942 56.47571 1.18 ug/L Co 59 768.707 1.122 0.002 0.06565 0.77 ug/L Ni 60 4828.664 1.191 0.012 2.34081 1.87 ug/L Cu 63 15093.671 1.041 0.036 3.43193 1.76 ug/L Cu 65 6836.639 2.079 0.016 3.18735 2.83 ug/L Zn 66 3205.598 3.736 0.030 1.81154 4.04 ug/L Zn 67 772.707 3.107 0.007 2.49950 5.20 ug/L Zn 68 3087.556 3.606 0.031 2.48952 3.08 ug/L > Ge 72 83834.306 1.057 83834.306 ug/L As 75 13150.901 3.465 0.005 0.23754 100.51 ug/L Se 77 1701.602 2.944 0.001 0.69052 46.55 ug/L Se 82 19.402 177.837 0,000 0.08181 219.03 ug/L As-1 75 1077.741 3.016 969.740 0.51650 3.35 ug/L Kr 83 4672.248 2.940 -75.040 ug/L Ag 107 97.001 12.918 -0.000 -0.02070 7.18 ug/L Cd 111 35.334 18.844 0.000 0.00801 37.31 ug/L Cd 114 81.017 3.663 0.000 0.00759 8.56 ug/L > In 115 1103992.187 0.698 1103992.187 ug/L Sb 121 513.353 2.631 0.000 0.06387 2.09 ug/L Sb 123 411.747 2.696 0.000 0.06783 3.52 ug/L Ba 135 66260.601 0.736 0.039 30.19868 1.03 ug/L Ba 137 115614.009 0.429 0.069 30.15334 1.23 ug/L Ho 165 1690311.583 0.832 -0.018 ug/L > Tb 159 1678124.941 1.657 1678124.941 ug/L Hg 201 35.000 12.454 -0.000 -0.00011 3538.56 ug/L Hg 202 79.668 5.073 0.000 0.00083 137.77 ug/L TI 205 332.343 11.328 -0.000 -0.00679 19.02 ug/L Pb 208 21398.743 1.468 0.012 0.55819 1.11 ug/L

Sample ID:AE11572 Report Date/Time: Friday, May 24, 2002 12:36:42 Page 1

NYC-WTC_000054502

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