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ICPMS daily performance check report, April 10, 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_000040452–000040596

Folder label: “ICPMS 4/10/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08064 Sample Date/Time: Wednesday, April 10, 2002 13:46:05 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\eiandata\Dataset\NEWQ\NEWQ\AE08064.481 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 33.986 0.000 0.00562 151.42 ug/L > Se-1 45 438003.247 1.994 438003.247 ug/L Cr 52 8593.479 1.106 0.006 0.32142 8.44 ug/L Cr 53 1513.808 2.213 0.002 0.87786 6.93 ug/L Mn 55 190573.344 0.283 0.430 14.60729 2.11 ug/L Ni 60 694.700 4.073 0.002 0.33349 4.91 ug/L Cu 63 4680.920 3.987 0.009 0.89005 4.58 ug/L Cu 65 2287.978 2.295 0.005 0.97647 4.44 ug/L Zn 66 2786.122 3.068 0.024 1.39708 2.27 ug/L Zn 67 622.028 2.733 0.006 1.81567 4.91 ug/L Zn 68 2568.722 2.565 0.024 1.86085 3.12 ug/L Ge 72 85845.654 1.371 85845.654 ug/L As 75 823.942 9.050 0.006 0.31948 15.56 ug/L Se 77 185.337 9.178 0.001 0.46115 21.86 ug/L Se 82 157.003 11.933 -0.000 -0.08801 117.83 ug/L Ag 107 465.017 7.397 -0.000 -0.02360 17.85 ug/L In 115 1170700.148 1.403 1170700.148 ug/L Sb 121 498.019 5.392 0.000 0.05810 5.46 ug/L Sb 123 396.826 2.877 0.000 0.06012 3.53 ug/L Ba 135 36164.150 0.199 0.023 15.18286 1.36 ug/L Ba 137 62912.917 1.021 0.039 15.15424 0.66 ug/L Ho 165 1606682.700 1.259 0.150 ug/L > Tb 159 1591292.243 1.210 1591292.243 ug/L TI 205 360.344 3.696 -0.000 -0.01656 4.43 ug/L Pb 208 2549.499 3.496 0.001 0.02897 9.41 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 77.858 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE08064 Report Date/Time: Wednesday, April 10, 2002 13:47:39 Page 1

NYC-WTC_000040577

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NYC-WTC_000040577Source: NYC Law Department, mirrored locally

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