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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: AE07512 Sample Date/Time: Wednesday, April 10, 2002 11:07:16 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07512.443 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 9.000 22.222 -0.000 -0.00094 479.04 ug/L > Se-1 45 515000.634 2.528 515000.634 ug/L Cr 52 9973.903 1.959 0.006 0.30758 7.61 ug/L Cr 53 1291.438 2.782 0.001 0.43897 5.24 ug/L Mn 55 337479.880 0.854 0.650 22.09128 2.17 ug/L Ni 60 865.717 1.791 0.002 0.35406 0.84 ug/L Cu 63 46527.225 0.507 0.089 8.42205 2.96 ug/L Cu 65 23279.002 1.009 0.045 8.71558 1.60 ug/L Zn 66 1998.240 3.403 0.012 0.69505 4.99 ug/L Zn 67 508.019 4.774 0.003 1.13520 8.51 ug/L Zn 68 2051.585 2.221 0.015 1.14739 1.55 ug/L > Ge 72 98430.722 1.440 98430.722 ug/L As 75 905.164 3.073 0.006 0.29891 3.04 ug/L Se 77 184.337 7.163 0.000 0.29283 32.51 ug/L Se 82 165.003 2.777 -0.000 -0.15590 14.55 ug/L Ag 107 1018.734 4.029 0.000 0.02066 23.44 ug/L > In 115 1348777.672 2.572 1348777.672 ug/L Sb 121 903.054 9.687 0.001 0.09405 7.49 ug/L Sb 123 689.761 5.880 0.000 0.09285 3.64 ug/L Ba 135 41923.543 1.433 0.023 15.35481 2.44 ug/L Ba 137 72562.199 1.397 0.040 15.24663 0.86 ug/L Ho 165 1822292.042 1.275 0.139 ug/L > Tb 159 1824309.725 1.764 1824309.725 ug/L TI 205 671.365 3.237 -0.000 -0.00628 18.43 ug/L Pb 208 5030.929 0.806 0.002 0.09097 4.07 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 91.545 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE07512 Report Date/Time: Wednesday, April 10,2002 11:08:50 Page 1

NYC-WTC_000040501

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NYC-WTC_000040501Source: NYC Law Department, mirrored locally

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