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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: AE07973 Sample Date/Time: Wednesday, April 10, 2002 12:57:01 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07973.468 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 24.354 0.000 0.00365 162.43 ug/L > Se-1 45 476125.332 1.294 476125.332 ug/L Cr 52 10705.407 0.279 0.009 0.47729 3.04 ug/L Cr 53 1436.128 1.121 0.001 0.67393 1.21 ug/L Mn 55 209876.098 0.438 0.436 14.79873 1.41 ug/L Ni 60 734.704 8.159 0.001 0.32384 7.20 ug/L Cu 63 4857.013 2.928 0.009 0.84389 2.24 ug/L Cu 65 2390.338 1.110 0.005 0.93664 1.49 ug/L Zn 66 1872.212 4.119 0.012 0.68721 7.45 ug/L Zn 67 508.019 1.229 0.004 1.23590 3.21 ug/L Zn 68 1953.896 2.882 0.015 1.16284 2.11 ug/L > Ge 72 92859.842 1.450 92859.842 ug/L As 75 951.187 12.097 0.007 0.35158 18.54 ug/L Se 77 178.670 2.585 0.001 0.32247 8.34 ug/L Se 82 170.670 8.538 -0.000 -0.08418 89.19 ug/L Ag 107 89.668 14.976 -0.001 -0.06397 1.85 ug/L In 115 1267117.156 1.386 1267117.156 ug/L Sb 121 477.017 3.045 0.000 0.05090 4.66 ug/L Sb 123 352.829 2.881 0.000 0.04860 2.73 ug/L Ba 135 39298.823 1.008 0.023 15.42507 1.10 ug/L Ba 137 67841.594 1.837 0.040 15.27960 2.22 ug/L Ho 165 1698115.182 1.641 0.138 ug/L Tb 159 1701952.570 0.602 1701952.570 ug/L Tl 205 411.680 12.940 -0.000 -0.01546 14.09 ug/L Pb 208 2764.524 2.742 0.001 0.03016 7.67 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 84.635 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE07973 Report Date/Time: Wednesday, April 10, 2002 12:58:36 Page 1

NYC-WTC_000040551

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