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ICPMS daily performance check report, April 22, 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_000040871–000040923

Folder label: “ICPMS 4/22/01

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08483 Sample Date/Time: Monday, April 22, 2002 12:59:58 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08483.506 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 8.667 56.918 -0.000 -0.01591 92.41 ug/L > Se-1 45 499237.579 1.977 499237.579 ug/L Cr 52 13170.003 2.960 0.010 0.53741 6.30 ug/L Cr 53 1479.802 3.086 0.001 0.56431 3.04 ug/L Mn 55 199420.196 0.410 0.396 13.67879 2.31 ug/L Ni 60 1064.740 6.871 0.002 0.34571 9.49 ug/L Cu 63 52979.817 1.617 0.105 9.58927 3.13 ug/L Cu 65 26081.959 1.270 0.052 9.52682 1.39 ug/L Zn 66 6333.937 2.368 0.058 3.47806 1.25 ug/L Zn 67 1217.094 2.301 0.011 3.58664 1.64 ug/L Zn 68 5344.291 1.950 0.049 3.94859 2.26 ug/L > Ge 72 96725.205 1.396 96725.205 ug/L As 75 813.024 5.293 0.008 0.38249 4.29 ug/L Se 77 188.349 16.800 0.001 0.30525 54.83 ug/L Se 82 151.003 10.596 0.000 0.21027 31.42 ug/L Ag 107 338.343 1.681 -0.000 -0.02495 3.44 ug/L In 115 1328253.862 0.987 1328253.862 ug/L Sb 121 602.359 1.382 0.000 0.06337 0.92 ug/L Sb 123 463.120 5.098 0.000 0.06316 4.72 ug/L Ba 135 43884.775 0.614 0.024 16.36199 1.15 ug/L Ba 137 76368.554 1.250 0.042 16.37846 0.27 ug/L Ho 165 1805186.024 0.527 0.003 ug/L > Tb 159 1816629.183 1.304 1816629.183 ug/L Hg 201 68.334 4.225 -0.000 -0.00086 232.93 ug/L Hg 202 155.336 9.685 0.000 0.00739 73.54 ug/L TI 205 1001.399 7.840 -0.000 -0.00376 69.65 ug/L Pb 208 7723.696 2.680 0.003 0.17227 1.95 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Se-1 45 117.638 Cr 52 Cr 53 Mn 55

Sample ID: AE08483 Report Date/Time: Monday, April 22, 2002 13:01:39 Page 1

NYC-WTC_000040902

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