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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: ICV STD1 30+2 PPB Sample Date/Time: Friday, May 24, 2002 09:14:13 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 cityICV STD1 30+2 PPB.351 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 12264.725 1.806 0.207 29.61062 0.24 ug/L Li 6 59208.484 1.837 59208.484 ug/L > Se-1 45 445432.037 1.459 445432.037 ug/L Cr 52 284138.198 1.075 0.622 29.97562 1.34 ug/L Cr 53 33412.290 0.625 0.074 29.94612 1.07 ug/L Mn 55 466047.010 0.702 1.045 30.38851 1.34 ug/L Co 59 330465.180 1.058 0.742 30.41782 1.28 ug/L Ni 60 66531.592 1.331 0.149 29.94548 0.80 ug/L Cu 63 144818.472 0.174 0.325 30.70473 1.46 ug/L Cu 65 70215.171 1.098 0.157 30.55483 0.36 ug/L Zn 66 47289.489 0.909 0.511 30.76334 0.56 ug/L Zn 67 8376.609 2.323 0.090 30.75681 2.87 ug/L Zn 68 35574.158 0.640 0.384 31.04418 0.86 ug/L Ge 72 90937.816 0.529 90937.816 ug/L As 75 69041.634 1.363 0.625 30.70868 1.02 ug/L Se 77 7046.793 1.089 0.061 31.90432 1.27 ug/L Se 82 6259.339 3.924 0.072 31.69124 3.27 ug/L As-1 75 53857.275 0.920 53747.606 28.62693 0.92 ug/L Kr 83 4903.371 2.106 -253.476 ug/L Ag 107 295871.263 1.573 0.238 30.29565 2.32 ug/L Cd 111 76523.497 0.788 0.062 29.64081 1.67 ug/L Cd 114 178843.989 0.948 0.145 29.66548 0.82 ug/L > In 115 1236442.564 1.244 1236442.564 ug/L Sb 121 247967.222 1.903 0.201 29.78586 0.99 ug/L Sb 123 189738.028 0.921 0.153 29.71310 0.70 ug/L Ba 135 70994.184 0.799 0.039 30.10894 0.99 ug/L Ba 137 123426.496 0.902 0.068 29.95125 1.07 ug/L Ho 165 1820944.248 1.505 -0.002 ug/L > Tb 159 1803267.598 0.233 1803267.598 ug/L Hg 201 2799.126 1.340 0.002 2.13750 1.57 ug/L Hg 202 6391.644 2.039 0.004 2.12966 2.22 ug/L T1 205 844266.185 0.615 0.468 30.21481 0.85 ug/L Pb 208 1157662.312 1.325 0.641 30.30885 1.54 ug/L

Sample ID: ICV STD1 30+2 PPB Report Date/Time: Friday, May 24, 2002 09:16:38 Page 1

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