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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: AE07486 Sample Date/Time: Wednesday, April 10, 2002 10:32:36 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07486.433 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 10.000 17.321 0.000 0.00116 305.60 ug/L > Se-1 45 514115.576 1.070 514115.576 ug/L Cr 52 9674.909 0.645 0.005 0.27754 5.23 ug/L Cr 53 1675.838 2.820 0.002 0.78628 4.49 ug/L Mn 55 393875.846 1.757 0.761 25.85359 2.83 ug/L Ni 60 1191.423 5.478 0.002 0.49259 6.56 ug/L Cu 63 50930.446 0.715 0.098 9.24282 1.46 ug/L Cu 65 24907.327 1.376 0.048 9.34114 0.42 ug/L Zn 66 3879.867 3.590 0.031 1.77045 3.96 ug/L Zn 67 861.716 4.897 0.007 2.27060 5.37 ug/L Zn 68 3555.397 1.571 0.029 2.31168 2.28 ug/L > Ge 72 99699.725 0.592 99699.725 ug/L As 75 1236.103 4.926 0.009 0.45888 7.08 ug/L Se 77 243.006 1.484 0.001 0.62746 2.07 ug/L Se 82 276.340 5.794 0.001 0.32814 23.34 ug/L Ag 107 206.004 5.114 -0.000 -0.05403 1.78 ug/L In 115 1363127.651 0.508 1363127.651 ug/L Sb 121 674.365 6.541 0.000 0.06834 6.61 ug/L Sb 123 503.578 1.774 0.000 0.06591 2.43 ug/L Ba 135 51504.014 1.293 0.027 18.35223 1.87 ug/L Ba 137 90365.555 1.688 0.048 18.47426 1.71 ug/L Ho 165 1868124.077 2.196 0.136 ug/L > Tb 159 1875266.319 0.714 1875266.319 ug/L TI 205 628.361 4.996 -0.000 -0.00868 15.78 ug/L Pb 208 8540.315 1.000 0.003 0.18726 1.90 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 91.388 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: AE07486 Report Date/Time: Wednesday, April 10, 2002 10:34:11 Page 1

NYC-WTC_000040481

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NYC-WTC_000040481Source: NYC Law Department, mirrored locally

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