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ICPMS daily performance check report, April 16, 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_000040755–000040869

Folder label: “ICPMS 4/16/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07504 Sample Date/Time: Tuesday, April 16, 2002 09:52:27 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07504.555 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 7.000 28.571 -0.000 -0.01281 38.53 ug/L > Se-1 45 504214.180 1.456 504214.180 ug/L Cr 52 9089.633 1.124 0.001 0.05503 8.69 ug/L Cr 53 2286.311 6.519 0.003 1.39818 8.52 ug/L Mn 55 633679.309 1.353 1.255 40.88806 2.76 ug/L Nl 60 2654.081 5.227 0.005 1.06158 6.20 ug/L Cu 63 7822.442 0.687 0.015 1.41683 1.92 ug/L Cu 65 3378.328 2.021 0.006 1.15652 3.57 ug/L Zn 66 2329.322 3.783 0.018 0.99964 4.54 ug/L Zn 67 804.710 5.033 0.007 2.05914 6.42 ug/L Zn 68 2956.177 2.721 0.026 1.93243 2.81 ug/L Ge 72 98877.129 0.306 98877.129 ug/L As 75 655.560 5.934 0.006 0.30607 5.84 ug/L Se 77 278.000 7.807 0.002 0.92838 12.25 ug/L Se 82 140.336 4.851 0.000 0.14386 21.14 ug/L Ag 107 133.669 14.513 -0.000 -0.02410 6.42 ug/L Cd 111 1124.244 1.926 0.000 0.01253 40.60 ug/L Cd 114 207.254 12.311 0.000 0.00953 44.98 ug/L > In 115 1348784.850 1.501 1348784.850 ug/L Sb 121 631.695 5.252 0.000 0.06543 4.49 ug/L Sb 123 477.915 9.463 0.000 0.06048 9.11 ug/L Ba 135 85817.385 1.321 0.046 30.37209 0.61 ug/L Ba 137 142854.506 1.156 0.076 28.60716 0.34 ug/L Tb 159 1868210.471 1.030 1868210.471 ug/L Ho 165 1802522.885 1.821 -0.012 ug/L TI 205 1840.872 3.425 0.000 0.00256 78.93 ug/L Pb 208 4452.134 0.484 0.001 0.06023 3.04 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 103.167 Cr 52 Cr 53 Mn 55

Sample ID: AE07504 Report Date/Time: Tuesday, April 16, 2002 09:54:14 Page 1

NYC-WTC_000040774

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NYC-WTC_000040774Source: NYC Law Department, mirrored locally

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