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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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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: LRB Sample Date/Time: Tuesday, April 09, 2002 10:31:41 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\LRB.346 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 12.000 22.048 0.000 0.00028 1885.38 ug/L Sc1 45 558735.202 1.746 558735.202 ug/L Cr 52 8221.132 2.199 -0.000 -0.01140 221.51 ug/L Cr 53 593.359 2.485 -0.000 -0.20241 3.39 ug/L Mn 55 1483.136 2.398 -0.000 -0.00780 47.22 ug/L Ni 60 53.334 2.864 0.000 0.00231 9.99 ug/L Cu 63 292.341 6.475 0.000 0.00483 80.59 ug/L Cu 65 148.336 8.127 0.000 0.00456 88.23 ug/L Zn 66 461.683 6.575 -0.000 -0.01122 133.34 ug/L Zn 67 114.669 17.623 -0.000 -0.06266 94.79 ug/L Zn 68 374.011 2.551 -0.000 -0.00776 135.32 ug/L Ge 72 106053.825 1.435 106053.825 ug/L As 75 249.570 6.234 -0.001 -0.02987 27.59 ug/L So 77 132.336 14.043 -0.000 -0.08230 121.32 ug/L Se 82 203.004 1.776 -0.000 -0.03905 32.17 ug/L Ag 107 1544.480 2.453 0.000 0.01202 24.25 ug/L In 115 1505048.785 0.527 1505048.785 ug/L Sb 121 100.668 17.807 0.000 0.00543 31.56 ug/L Sb 123 72.396 5.195 0.000 0.00403 11.03 ug/L Ba 135 67.334 13.476 -0.000 -0.00228 125.29 ug/L Ba 137 124.669 2.579 -0.000 -0.00002 2134.34 ug/L Ho 165 1760166.483 0.144 -0.005 ug/L Tb 159 2037761.838 0.464 2037761.838 ug/L 11 205 614.360 5.754 -0.000 -0.00436 30.42 ug/L Pb 208 1829.093 6.014 -0.000 -0.00598 50.12 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff I Be 9 > Sc-1 45 96.031 Cr 52 I Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: LRB Report Date/Time: Tuesday, April 09, 2002 10:33:51 Page 1

NYC-WTC 000040304

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NYC-WTC_000040304Source: NYC Law Department, mirrored locally

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