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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: AE07514 Sample Date/Time: Wednesday, April 10, 2002 11:24:11 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07514.447 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 9.667 29.863 0.000 0.00191 315.48 ug/L > Se-1 45 478436.885 2.096 478436.885 ug/L Cr 52 9466.356 2.232 0.006 0.33014 0.45 ug/L Cr 53 1377.118 0.907 0.001 0.61069 6.25 ug/L Mn 55 254239.942 0.421 0.526 17.87895 1.73 ug/L Ni 60 749.705 4.221 0.002 0.32950 6.27 ug/L Cu 63 29798.057 1.026 0.061 5.76816 2.93 ug/L Cu 65 14479.000 1.297 0.030 5.82473 3.35 ug/L Zn 66 2895.490 2.415 0.023 1.32147 4.44 ug/L Zn 67 721.036 1.732 0.006 1.98098 3.13 ug/L Zn 68 2649.746 1.170 0.022 1.74862 2.13 ug/L > Ge 72 92997.552 1.187 92997.552 ug/L As 75 924.688 4.777 0.007 0.33639 8.07 ug/L Se 77 187.337 9.127 0.001 0.37685 31.95 ug/L Se 82 163.003 4.295 -0.000 -0.12193 34.00 ug/L Ag 107 366.678 8.170 -0.000 -0.03649 8.13 ug/L In 115 1250845.211 1.215 1250845.211 ug/L Sb 121 620.694 3.535 0.000 0.06858 4.06 ug/L Sb 123 464.041 7.969 0.000 0.06620 8.56 ug/L Ba 135 39834.148 0.677 0.023 15.29589 1.86 ug/L Ba 137 69558.125 0.511 0.040 15.32444 0.79 ug/L Ho 165 1707157.460 0.365 0.122 ug/L Tb 159 1739921.413 1.284 1739921.413 ug/L TI 205 528.021 6.087 -0.000 -0.01098 10.59 ug/L Pb 208 7950.773 1.097 0.004 0.18808 0.42 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 85.046 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE07514 Report Date/Time: Wednesday, April 10, 2002 11:25:45 Page 1

NYC-WTC_000040509

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NYC-WTC_000040509Source: NYC Law Department, mirrored locally

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