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ICPMS daily performance check report, April 9, 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_000040287–000040339

Folder label: “ICPMS 4/9/02

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Scanned page image, NYC-WTC_000040332
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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07663 Sample Date/Time: Tuesday, April 09, 2002 11:24:25 Sample Type: Sample Sample Description: NO NYC Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07663.360 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Conc. RSD Sample Unit Be 9 11.000 24.052 -0.000 -0.00319 171.65 ug/L Sc-1 45 592653.707 1.771 592653.707 ug/L Cr 52 85544.212 1.930 0.129 7.08001 2.60 ug/L Cr 53 5226.222 2.851 0.007 3.38751 4.15 ug/L Mn 55 2290.312 5.342 0.001 0.03363 17.41 ug/L Ni 60 952.726 3.791 0.002 0.33041 2.32 ug/L Cu 63 153845.163 1.263 0.259 24.57691 1.49 ug/L Cu 65 72561.172 0.978 0.122 23.54149 2.65 ug/L Zn 66 24645.945 1.142 0.226 12.95374 1.56 ug/L Zn 67 3801.833 1.030 0.034 11.01295 0.77 ug/L Zn 68 17563.126 0.979 0.161 12.50445 0.84 ug/L Ge 72 106974.118 0.533 106974.118 ug/L As 75 735.632 20.248 0.004 0.19273 35.67 ug/L Se 77 624.028 2.168 0.004 2.54051 2.15 ug/L Se 82 353.344 4.333 0.001 0.56972 11.88 ug/L Ag 107 76.668 8.386 -0.001 -0.10792 0.58 ug/L In 115 1460990.041 1.660 1460990.041 ug/L Sb 121 211.338 9.155 0.000 0.01692 10.67 ug/L Sb 123 175.017 3.801 0.000 0.01774 6.94 ug/L Ba 135 4086.292 0.796 0.002 1.29072 0.93 ug/L Ba 137 7021.447 0.769 0.003 1.27035 1.57 ug/L Ho 165 1885732.540 6.914 0.082 ug/L Tb 159 1985698.533 1.218 1985698.533 ug/L TI 205 472.350 4.488 -0.000 -0.00886 6.86 ug/L Pb 208 31581.433 1.579 0.015 0.77506 2.69 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff Be 9 I> SC-1 45 101.860 I Cr 52 I Cr 53 I Mn 55 I NI 60 Cu 63

Sample ID: AE07663 Report Date/Time: Tuesday, April 09, 2002 11:27:09 Page 1

NYC-WTC 000040332

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NYC-WTC_000040332Source: NYC Law Department, mirrored locally

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