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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: AE11422 Sample Date/Time: Wednesday, May 22, 2002 11:35:39 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\AE11422.310 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 17.321 0.000 0.00548 108.34 ug/L Li 6 47088.876 3.509 47088.876 ug/L > Se-1 45 358144.924 1.916 358144.924 ug/L Cr 52 8349.918 2.457 0.007 0.35941 6.24 ug/L Cr 53 1329.777 5.566 0.002 0.82786 10.31 ug/L Mn 55 369048.062 0.833 1.028 29.98770 2.53 ug/L Co 59 413.680 3.855 0.001 0.03029 8.11 ug/L Ni 60 733.370 3.958 0.002 0.37620 5.30 ug/L Cu 63 39061.809 1.482 0.109 9.55990 2.67 ug/L Cu 65 18891.808 2.720 0.052 9.38236 1.44 ug/L Zn 66 6143.138 3.885 0.068 4.08861 4.60 ug/L Zn 67 1064.740 4.757 0.012 3.91229 4.33 ug/L Zn 68 4853.011 2.344 0.054 4.34200 2.28 ug/L > Ge 72 82153.396 1.327 82153.396 ug/L As 75 11647.293 1.538 0.004 0.20679 59.30 ug/L Se 77 1440.791 2.601 0.000 0.12227 238.57 ug/L Se 82 -50.626 218.189 -0.000 -0.21088 291.72 ug/L As-1 75 939.058 2.818 782.055 0.45618 3.38 ug/L Kr 83 4134.315 3.864 -507.918 ug/L Ag 107 93.335 12.185 -0.001 -0.06256 2.20 ug/L Cd 111 63.668 12.598 0.000 0.01595 24.55 ug/L Cd 114 138.604 15.127 0.000 0.01830 22.66 ug/L > In 115 1131402.888 1.748 1131402.888 ug/L Sb 121 830.713 6.235 0.001 0.10168 5.84 ug/L Sb 123 633.890 3.738 0.001 0.10026 5.68 ug/L Ba 135 39057.448 0.796 0.022 17.00871 0.66 ug/L Ba 137 67768.668 0.538 0.038 16.89492 1.26 ug/L Ho 165 1777097.010 0.879 0.008 ug/L Tb 159 1760651.763 1.452 1760651.763 ug/L Hg 201 41.334 13.968 0.000 0.00871 48.28 ug/L Hg 202 92.335 4.100 0.000 0.00872 18.46 ug/L TI 205 449.016 11.892 -0.000 -0.00595 31.73 ug/L Pb 208 8249.544 3.016 0.004 0.17273 3.05 ug/L

Sample ID: AE11422 Report Date/Time: Wednesday, May 22, 2002 11:37:36 Page 1

NYC-WTC_000054263

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