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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: ICV STD1 30+2 PPB Sample Date/Time: Wednesday, May 22, 2002 09:37:29 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\new york city\ICV STD1 30+2 PPB.279 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 10560.571 1.891 0.213 29.56597 2.28 ug/L Li 6 49617.868 0.476 49617.868 ug/L Sc-1 45 380537.167 1.958 380537.167 ug/L Cr 52 244704.672 1.067 0.627 30.31063 0.91 ug/L Cr 53 29215.832 1.035 0.075 30.33734 1.77 ug/L Mn 55 401996.389 1.545 1.054 30.73695 0.45 ug/L Co 59 290969.452 1.241 0.764 30.78976 1.90 ug/L Ni 60 60451.966 1.634 0.159 30.66654 2.16 ug/L Cu 63 133737.596 1.038 0.351 30.88478 1.05 ug/L Cu 65 65841.232 0.705 0.173 30.89707 1.61 ug/L Zn 66 43964.842 1.525 0.498 30.04159 2.07 ug/L Zn 67 7846.797 0.493 0.089 30.10227 1.97 ug/L Zn 68 32957.675 3.408 0.373 30.09515 2.37 ug/L Ge 72 87109.672 2.061 87109.672 ug/L As 75 64530.995 1.430 0.603 29.93941 1.74 ug/L Se 77 6357.217 1.836 0.056 30.14487 3.40 ug/L Se 82 5645.686 1.500 0.065 29.74475 3.39 ug/L As-1 75 50992.492 1.977 50835.489 29.65270 1.98 ug/L Kr 83 4478.482 2.947 -163.751 ug/L Ag 107 287659.481 0.455 0.236 29.48644 0.40 ug/L Cd 111 75117.819 0.159 0.062 30.10365 0.98 ug/L Cd 114 175877.786 1.781 0.145 29.83302 1.24 ug/L > In 115 1213367.737 0.817 1213367.737 ug/L Sb 121 246809.822 1.663 0.203 30.04658 1.76 ug/L Sb 123 190017.368 1.377 0.157 30.02727 1.68 ug/L Ba 135 71321.740 0.940 0.039 29.72738 0.69 ug/L Ba 137 123102.823 0.978 0.067 29.36452 1.53 ug/L Ho 165 1870987.738 1.277 0.015 ug/L Tb 159 1840641.362 1.035 1840641.362 ug/L Hg 201 2839.805 2.037 0.002 2.06474 3.11 ug/L Hg 202 6451.353 1.123 0.003 2.07870 1.18 ug/L Tl 205 870572.478 0.487 0.473 30.24128 0.70 ug/L Pb 208 1167196.175 1.096 0.633 29.86138 1.51 ug/L

Sample ID: ICV STD1 30+2 PPB Report Date/Time: Wednesday, May 22,2002 09:40:01 Page 1

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