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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: AE10807 Sample Date/Time: Tuesday, May 21, 2002 12:49:03 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 cit\AE1 0807.235 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 8.667 40.522 0.000 0.00369 267.31 ug/L Li 6 46836.517 2.294 46836.517 ug/L > Se-1 45 355654.856 2.068 355654.856 ug/L Cr 52 5770.890 2.789 0.001 0.03438 53.18 ug/L Cr 53 1100.744 3.839 0.002 0.61026 11.01 ug/L Mn 55 335146.627 0.312 0.940 26.40099 2.36 ug/L Co 59 280.007 6.458 0.001 0.02094 12.30 ug/L Ni 60 650.363 4.229 0.002 0.32325 6.07 ug/L Cu 63 4826.329 1.196 0.013 1.10356 3.28 ug/L Cu 65 2316.652 2.832 0.006 1.07093 4.21 ug/L Zn 66 1083.742 3.784 0.005 0.31945 7.84 ug/L Zn 67 323.676 4.829 0.002 0.81374 7.87 ug/L Zn 68 1196.424 1.402 0.009 0.70790 0.84 ug/L Ge 72 82816.692 0.919 82816.692 ug/L As 75 12034.736 1.943 0.010 0.50550 36.79 ug/L Se 77 1461.222 2.002 0.001 0:33194 71.33 ug/L Se 82 -39.986 100.824 0.001 0.24567 87.78 ug/L As-1 75 934.057 2.411 771.388 0.42823 2.92 ug/L Kr 83 4253.037 1.306 -518.263 ug/L Ag 107 251.673 4.359 -0.000 -0.01675 6.92 ug/L Cd 111 59.334 19.388 -0.000 -0.00394 119.34 ug/L Cd 114 130.230 11.737 -0.000 -0.00229 113.46 ug/L > In 115 1170316.603 0.966 1170316.603 ug/L Sb 121 550.689 6.952 0.000 0.06546 6.93 ug/L Sb 123 400.492 1.125 0.000 0.06074 1.09 ug/L Ba 135 42916.842 1.586 0.024 18.63163 2.19 ug/L Ba 137 74122.374 0.983 0.042 18.48537 1.63 ug/L Ho 165 1789768.972 0.239 -0.008 ug/L > Tb 159 1775428.334 ■ 0.749 1775428.334 ug/L Hg 201 44.001 19.682 -0.000 -0.00160 399.99 ug/L Hg 202 94.001 11.259 0.000 0.00528 66.05 ug/L TI 205 859.383 7.529 -0.000 -0.00191 128.29 ug/L Pb 208 4069.064 2.174 0.001 0.05768 4.68 ug/L

Sample ID: AE10807 Report Date/Time: Tuesday, May 21, 2002 12:50:59 Page 1

NYC-WTC_000054036

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