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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: AE07569 Sample Date/Time: Wednesday, April 10, 2002 11:58:24 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07569.453 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 13.667 47.042 0.000 0.01086 134.37 ug/L Se-1 45 482030.544 1.217 482030.544 ug/L Cr 52 9305.186 0.781 0.006 0.30396 3.04 ug/L Cr 53 1209.759 1.205 0.001 0.44005 6.34 ug/L Mn 55 235360.296 1.040 0.483 16.41002 0.68 ug/L Ni 60 843.048 5.525 0.002 0.36887 6.21 ug/L Cu 63 5164.518 0.185 0.009 0.89255 1.18 ug/L Cu 65 2435.684 1.072 0.005 0.94297 1.80 ug/L Zn 66 1332.111 1.991 0.006 0.33422 8.57 ug/L Zn 67 425.014 4.471 0.003 0.91343 7.96 ug/L Zn 68 1555.149 1.956 0.010 0.79866 0.60 ug/L Ge 72 94815.662 2.269 94815.662 ug/L As 75 999.326 6.050 0.007 0.36664 11.55 ug/L Se 77 168.337 4.802 0.000 0.23392 17.19 ug/L Se 82 178.004 6.256 -0.000 -0.06622 103.81 ug/L Ag 107 84.335 11.878 -0.001 -0.06465 1.47 ug/L > in 115 1293541.844 0.947 1293541.844 ug/L Sb 121 501.019 0.998 0.000 0.05249 1.16 ug/L Sb 123 367.188 4.898 0.000 0.04962 4.65 ug/L Ba 135 41591.344 0.886 0.024 15.85786 0.59 ug/L Ba 137 71576.049 0.334 0.041 15.65913 0.77 ug/L Ho 165 1760104.060 1.073 0.145 ug/L > Tb 159 1752100.241 0.558 1752100.241 ug/L TI 205 545.355 2.843 -0.000 -0.01042 4.99 ug/L Pb 208 3075.232 1.687 0.001 0.03718 5.66 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 85.684 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE07569 Report Date/Time: Wednesday, April 10, 2002 11:59:59 Page 1

NYC-WTC_000040521

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NYC-WTC_000040521Source: NYC Law Department, mirrored locally

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