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ICPMS daily performance check report, April 16, 2002

Machine-extracted title · confidence 95%

Daily instrument performance verification log for ICPMS analysis including intensity and standard deviation data for multiple elements.

NYC-WTC_000040755–000040869

Folder label: “ICPMS 4/16/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08017 Sample Date/Time: Tuesday, April 16, 2002 13:03:28 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\newyork city\AE0801 7.577 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 10.333 20.145 -0.000 -0.00417 119.58 ug/L Se-1 45 489745.034 2.177 489745.034 ug/L Cr 52 10981.410 3.292 0.005 0.28455 22.42 ug/L Cr 53 1517.809 3.805 0.002 0.76772 7.78 ug/L Mn 55 209773.561 0.993 0.426 13.88261 1.57 ug/L Ni 60 865.050 4.963 0.002 0.34364 6.49 ug/L Cu 63 7780.075 3.817 0.015 1.45143 1.76 ug/L Cu 65 3883.202 4.405 0.008 1.37940 6.77 ug/L Zn 66 3291.295 1.957 0.029 1.59849 0.68 ug/L Zn 67 773.374 3.521 0.007 2.04131 5.47 ug/L Zn 68 2967.848 2.918 0.027 2.01591 3.98 ug/L > Ge 72 95749.758 2.497 95749.758 ug/L As 75 522.542 8.540 0.005 0.24993 6.33 ug/L Se 77 155.945 13.710 0.001 0.29931 32.44 ug/L Se 82 125.335 7.196 0.000 0.09486 28.64 ug/L Ag 107 537.021 15.423 0.000 0.01416 51.59 ug/L Cd 111 961.668 1.914 -0.000 -0.02872 33.70 ug/L Cd 114 152.626 10.920 0.000 0.00209 122.26 ug/L > In 115 1285878.055 0.863 1285878.055 ug/L Sb 121 498.352 1.306 0.000 0.05340 1.28 ug/L Sb 123 360.030 4.167 0.000 0.04665 4.19 ug/L Ba 135 40667.523 2.046 0.023 15.26935 3.45 ug/L Ba 137 69120.879 2.140 0.039 14.68441 2.98 ug/L > Tb 159 1760304.247 1.376 1760304.247 ug/L Ho 165 1707112.845 0.683 -0.006 ug/L TI 205 1496.805 3.783 -0.000 -0.00771 43.68 ug/L Pb 208 3657.329 0.833 0.001 0.04359 4.91 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 100.207 Cr 52 Cr 53 Mn 55

Sample ID: AE08017 Report Date/Time: Tuesday, April 16,2002 13:05:15 Page 1

NYC-WTC_000040818

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