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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: AE10899 Sample Date/Time: Friday, May 24,2002 10:21:49 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\AE1 0899.360 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 8.000 33.072 0.000 0.00880 79.31 ug/L Li 6 55472.972 1.266 55472.972 ug/L > Se-1 45 413995.336 0.996 413995.336 ug/L Cr 52 6739.565 1.493 0.001 0.02425 70.28 ug/L Cr 53 773.041 3.947 0.001 0.32185 10.75 ug/L Mn 55 442989.131 1.589 1.068 31.05582 0.67 ug/L Co 59 371.345 1.273 0.001 0.02207 1.51 ug/L Ni 60 695.700 1.079 0.002 0.31586 1.88 ug/L Cu 63 5734.532 0.746 0.013 1.26140 1.33 ug/L Cu 65 2749.110 3.822 0.006 1.23519 2.95 ug/L Zn 66 2750.777 1.695 0.022 1.34910 3.35 ug/L Zn 67 612.693 2.530 0.005 1.76916 4.74 ug/L Zn 68 2474.361 1.060 0.022 1.75228 1.31 ug/L Ge 72 89726.885 1.071 89726.885 ug/L As 75 12923.997 0.265 0.003 0.12967 53.14 ug/L Se 77 1574.295 0.311 -0.000 -0.09640 76.26 ug/L Se 82 -190.420 16.188 -0.000 -0.16731 94.82 ug/L As-1 75 609.026 2.565 500.691 0.26668 3.12 ug/L Kr 83 4830.665 0.383 -17.009 ug/L Ag 107 1320.112 21.830 0.001 0.11178 27.75 ug/L Cd 111 54.334 17.685 0.000 0.01195 31.83 ug/L Cd 114 113.529 7.849 0.000 0.01135 14.14 ug/L > In 115 1182387.264 0.482 1182387.264 ug/L Sb 121 1109.747 19.014 0.001 0.13492 19.59 ug/L Sb 123 843.455 20.980 0.001 0.13506 21.52 ug/L Ba 135 41998.550 1.111 0.024 18.08891 0.52 ug/L Ba 137 73074.313 1.884 0.041 18.01065 1.27 ug/L Ho 165 1795269.995 2.732 0.003 ug/L Tb 159 1774988.224 1.392 1774988.224 ug/L Hg 201 98.002 13.499 0.000 0.04547 20.77 ug/L Hg 202 233.672 20.011 0.000 0.05114 29.26 ug/L n 205 701.368 18.005 0.000 0.00457 93.94 ug/L Pb 208 4590.829 4.340 0.002 0.07858 5.15 ug/L

Sample ID: AE10899 Report Date/Time: Friday, May 24, 2002 10:23:45 Page 1

NYC-WTC_000054415

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