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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: AE08251 Sample Date/Time: Tuesday, April 16,2002 13:10:04 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\newyork city\AE08251.579 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 7.333 55.111 -0.000 -0.01153 84.40 ug/L > Se-1 45 487533.990 1.459 487533.990 ug/L Cr 52 12591.842 1.444 0.009 0.46084 4.28 ug/L Cr 53 2627.739 1.533 0.004 1.77475 0.17 ug/L Mn 55 662707.228 2.402 1.357 44.21886 1.89 ug/L Ni 60 2620.071 2.627 0.005 1.08409 3.73 ug/L Cu 63 8135.055 3.165 0.016 1.52746 2.83 ug/L Cu 65 3650.770 4.503 0.007 1.29922 6.14 ug/L Zn 66 2147.275 3.011 0.018 0.97311 5.07 ug/L Zn 67 787.042 4.090 0.007 2.15670 5.74 ug/L Zn 68 2887.487 1.906 0.027 2.01815 4.17 ug/L Ge 72 93079.119 1.916 93079.119 ug/L As 75 604.180 6.803 0.006 0.29982 8.91 ug/L Se 77 250.270 3.653 0.002 0.86348 5.75 ug/L Se 82 150.003 4.807 0.001 0.22907 20.58 ug/L Ag 107 646.696 11.110 0.000 0.02581 28.16 ug/L Cd 111 952.450 2.796 -0.000 -0.02443 29.81 ug/L Cd 114 104.242 3.512 -0.000 -0.00549 9.25 ug/L > In 115 1258271.952 0.809 1258271.952 ug/L Sb 121 610.027 2.561 0.000 0.06791 3.56 ug/L Sb 123 487.207 4.492 0.000 0.06663 3.98 ug/L Ba 135 79447.782 0.683 0.047 31.37508 0.84 ug/L Ba 137 133188.473 2.016 0.080 29.76204 2.28 ug/L > Tb 159 1674329.296 0.263 1674329.296 ug/L Ho 165 1717634.198 1.973 0.050 ug/L TI 205 1410.790 5.010 -0.000 -0.00832 40.76 ug/L Pb 208 5779.781 0.181 0.002 0.11849 0.20 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 99.754 Cr 52 Cr 53 Mn 55

Sample ID: AE08251 Report Date/Time: Tuesday, April 16, 2002 13:11:51 Page 1

NYC-WTC_000040822

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NYC-WTC_000040822Source: NYC Law Department, mirrored locally

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