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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07106 Sample Date/Time: Monday, April 15, 2002 10:20:53 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\newyork city\AE07106.501 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 11.333 10.189 0.000 0.00649 51.34 ug/L > Se-1 45 547651.774 2.520 547651.774 ug/L Cr 52 11522.747 0.439 0.005 0.28288 12.66 ug/L Cr 53 1216.427 2.796 0.000 0.10832 47.42 ug/L Mn 55 248310.534 1.060 0.450 15.92156 2.12 ug/L Ni 60 1021.734 4.529 0.002 0.39707 7.57 ug/L Cu 63 7148.883 3.395 0.012 1.17665 1.71 ug/L Cu 65 3466.029 1.970 0.006 1.17468 4.36 ug/L Zn 66 3412.341 1.901 0.027 1.48863 1.26 ug/L Zn 67 753.372 3.992 0.006 1.83166 2.99 ug/L Zn 68 3242.944 2.120 0.026 2.05497 5.28 ug/L > Ge 72 103866.946 2.577 103866.946 ug/L As 75 561.498 21.918 0.005 0.25717 22.57 ug/L Se 77 -13.871 699.210 -0.000 -0.05439 610.77 ug/L Se 82 144.336 8.828 0.000 0.12336 45.22 ug/L Ag 107 786.375 4.327 -0.000 -0.01433 11.75 ug/L Cd 111 1093.185 1.307 -0.000 -0.03832 31.14 ug/L Cd 114 242.460 16.700 0.000 0.01711 37.73 ug/L > In 115 1421484.087 1.925 1421484.087 ug/L Sb 121 953.727 10.551 0.001 0.09508 9.15 ug/L Sb 123 761.065 9.378 0.001 0.10177 7.91 ug/L Ba 135 45533.874 0.745 0.023 14.81688 0.76 ug/L Ba 137 83974.232 0.398 0.042 15.75140 1.13 ug/L > Tb 159 1976436.230 0.877 1976436.230 ug/L Ho 165 1895890.608 7.893 0.103 ug/L n 205 1815.867 7.521 -0.000 -0.01271 43.06 ug/L Pb 208 13914.264 2.712 0.006 0.31979 4.10 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 93.118 Cr 52 Cr 53 Mn 55

Sample ID: AE07106 Report Date/Time: Monday, April 15,2002 10:22:40 Page 1

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