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ICPMS daily performance check report, May 21, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 21, 2002.

NYC-WTC_000053939–000054155

Folder label: “ICPMS 5/21/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE10811 Sample Date/Time: Tuesday, May 21,2002 13:03:05 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\AE10811.239 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 60.622 -0.000 -0.00212 560.93 ug/L Li 6 46984.967 2.748 46984.967 ug/L > Se-1 45 360168.613 1.210 360168.613 ug/L Cr 52 6408.989 0.941 0.002 0.10841 11.30 ug/L Cr 53 1509.474 6.442 0.003 1.04175 10.56 ug/L Mn 55 428120.997 0.956 1.186 33.31871 1.87 ug/L Co 59 388.679 3.493 0.001 0.03218 3.38 ug/L Ni 60 918.722 5.943 0.002 0.45777 7.35 ug/L Cu 63 49376.900 1.048 0.137 11.48374 2.28 ug/L Cu 65 23902.291 1.380 0.066 11.29686 1.20 ug/L Zn 66 2927.834 2.048 0.027 1.64861 0.40 ug/L Zn 67 650.696 3.305 0.006 2.12822 6.18 ug/L Zn 68 2673.420 4.836 0.026 2.13516 4.05 ug/L > Ge 72 83546.082 2.076 83546.082 ug/L As 75 12198.683 1.050 0.011 0.53982 17.78 ug/L Se 77 1512.295 1.517 0.001 0.57623 47.11 ug/L Se 82 -130.352 26.645 -0.001 -0.23216 73.72 ug/L As-1 75 1060.406 1.993 897.736 0.49838 2.35 ug/L Kr 83 4405.111 1.144 -366.189 ug/L Ag 107 91.335 7.768 -0.000 -0.03371 2.64 ug/L Cd 111 68.001 1.471 -0.000 -0.00033 196.70 ug/L Cd 114 123.610 13.504 -0.000 -0.00348 75.85 ug/L > In 115 1170301.419 1.551 1170301.419 ug/L Sb 121 465.017 0.569 0.000 0.05470 2.05 ug/L Sb 123 373.539 3.880 0.000 0.05630 2.84 ug/L Ba 135 48687.520 0.845 0.027 20.99422 1.43 ug/L Ba 137 85445.540 0.785 0.048 21.16498 0.88 ug/L Ho 165 1835186.216 1.724 0.010 ug/L > Tb 159 1787722.426 1.607 1787722.426 ug/L Hg 201 37.667 13.096 -0.000 -0.00662 62.88 ug/L Hg 202 79.001 14.377 0.000 0.00009 4095.31 ug/L n 205 720.369 13.705 -0.000 -0.00715 43.57 ug/L Pb 208 11671.029 0.902 0.005 0.25675 2.48 ug/L

Sample ID: AE10811 Report Date/Time: Tuesday, May 21,2002 13:05:01 Page 1

NYC-WTC_000054048

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