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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 CAL BK Sample Date/Time: Friday, May 24, 2002 09:06:47 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 CAL BK.350 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 9.667 15.802 0.000 0.00499 70.42 ug/L Li 6 62652.465 1.256 62652.465 ug/L Se-1 45 464352.172 1.198 464352.172 ug/L Cr 52 6933.379 1.730 -0.002 -0.07256 8.40 ug/L Cr 53 581.691 4.077 -0.000 -0.03341 45.30 ug/L Mn 55 2057.920 3.371 0.003 0.08089 5.75 ug/L Co 59 153.336 9.045 -0.000 -0.00330 41.52 ug/L Ni 60 54.001 12.963 0.000 0.00716 38.91 ug/L Cu 63 245.672 5.890 -0.000 -0.00115 269.83 ug/L Cu 65 132.669 12.822 0.000 0.00229 292.31 ug/L Zn 66 824.712 7.648 -0.000 -0.02596 146.08 ug/L Zn 67 161.336 8.773 -0.000 -0.07676 61.24 ug/L Zn 68 608.693 1.960 -0.001 -0.06380 19.76 ug/L Ge 72 96354.579 0.664 96354.579 ug/L As 75 12996.152 1.052 0.001 0.05254 161.97 ug/L Se 77 1616.682 1.303 -0.000 -0.06170 235.62 ug/L Se 82 -295.082 17.802 0.000 0.15657 158.39 ug/L As-1 75 108.002 6.482 -1.667 -0.00089 420.00 ug/L Kr 83 5091.476 1.209 -65.371 ug/L Ag 107 874.384 4.504 -0.000 -0.02659 17.77 ug/L Cd 111 27.000 35.331 0.000 0.00074 504.14 ug/L Cd 114 43.872 1.064 -0.000 -0.0)122 11.24 ug/L > In 115 1254501.364 0.870 1254501.364 ug/L Sb 121 32.667 15.101 -0.000 -0.03088 64.00 ug/L Sb 123 29.765 27.587 -0.000 -0.00009 1365.99 ug/L Ba 135 48.334 27.552 0.000 0.0 3024 2344.48 ug/L Ba 137 76.334 14.608 0.000 0.03040 681.97 ug/L Ho 165 . 1871543.285 0.317 -0.001 ug/L > Tb 159 1850550.640 0.495 1850550.640 ug/L Hg 201 66.668 8.789 0.000 0.02026 22.85 ug/L Hg 202 141.003 21.075 0.000 0.0 2263 42.79 ug/L Tl 205 584.025 8.509 0.000 0.00484 37.45 ug/L Pb 208 1717.080 4.563 -0.000 -0.00359 55.52 ug/L

Sample ID: ICV CAL BK Report Date/Time: Friday, May 24, 2002 09:09:26 Page 1

NYC-WTC_000054385

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