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ICPMS daily performance check report, May 21, 2002

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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: ICV CAL BK Sample Date/Time: Tuesday, May 21,2002 10:33:09 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 CAL BK.206 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 10.000 26.458 0.000 0.00500 149.73 ug/L Li 6 51883.533 2.247 51883.533 ug/L > Sc-1 45 398160.489 1.258 398160.489 ug/L Cr 52 5800.575 1.703 -0.001 -0.04375 43.60 ug/L Cr 53 461.016 2.069 -0.000 -0.15416 5.71 ug/L Mn 55 1225.095 8.241 -0.000 -0.00034 1838.62 ug/L Co 59 101.668 5.417 0.000 0.00036 182.25 ug/L Ni 60 30.667 24.905 -0.000 -0.00320 109.12 ug/L Cu 63 182.004 3.846 0.000 0.00128 80.61 ug/L Cu 65 106.002 10.715 0.000 0.00305 179.11 ug/L Zn 66 589.025 3.823 -0.001 -0.08455 18.14 ug/L Zn 67 116.335 10.816 -0.000 -0.08071 53.05 ug/L Zn 68 494.018 4.285 -0.000 -0.03011 50.92 ug/L Ge 72 91902.466 0.837 91902.466 ug/L As 75 12233.560 1.187 -0.002 -0.09392 96.58 ug/L Se 77 1529.505 1.109 -0.000 -0.19855 70.56 ug/L Se 82 -160.100 33.134 -0.001 -0.31460 80.95 ug/L As-1 75 129.336 1.946 -33.334 -0.01851 7.55 ug/L Kr 83 4680.918 0.727 -90.382 ug/L Ag 107 794.376 4.398 0.000 003291 11.35 ug/L Cd 111 78.334 21.827 0.000 0.00095 687.53 ug/L Cd 114 184.593 13.356 0.000 0.C 0431 87.91 ug/L > In 115 1289704.445 0.658 1289704.445 ug/L Sb 121 257.340 10.883 0.000 0.0 2555 12.13 ug/L Sb 123 211.484 7.810 0.000 0.0 2649 9.39 ug/L Ba 135 34.334 4.449 -0.000 -0.0 161 38.34 ug/L Ba 137 51.667 11.826 -0.000 -0.0 >143 101.12 ug/L Ho 165 1952515.649 1.243 -0.004 ug/L > Tb 159 1929015.632 1.068 1929015.632 ug/L Hg 201 70.334 15.981 0.000 0.01439 52.49 ug/L Hg 202 170.003 5.794 0.000 0.02618 10.45 ug/L n 205 975.396 11.929 -0.000 -0.00052 768.11 ug/L Pb 208 1884.429 2.609 -0.000 -0.00409 39.10 ug/L

Sample ID: ICV CAL BK Report Date/Time: Tuesday, May 21, 2002 10:35:46 Page 1

NYC-WTC_000053949

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