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ICPMS daily performance check report, April 22, 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_000040871–000040923

Folder label: “ICPMS 4/22/01

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08681 Sample Date/Time: Monday, April 22,2002 13:15:58 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08681.511 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 5.000 40.000 -0.000 -0.02655 22.76 ug/L Se-1 45 491796.718 1.462 491796.718 ug/L Cr 52 11908.581 1.410 0.008 0.42098 8.25 ug/L Cr 53 1567.484 1.616 0.001 0.66476 6.37 ug/L Mn 55 229357.169 1.381 0.462 15.98951 1.08 ug/L Ni 60 965.394 6.225 0.001 0.31057 9.82 ug/L Cu 63 5378.311 1.014 0.010 0.90423 1.87 ug/L Cu 65 2608.734 1.664 0.005 0.87955 2.44 ug/L Zn 66 1866.544 2.060 0.012 0.72834 2.16 ug/L Zn 67 576.357 3.149 0.004 1.44110 2.39 ug/L Zn 68 2105.599 4.551 0.016 1.29798 5.83 ug/L Ge 72 95569.400 1.417 95569.400 ug/L As 75 833.725 9.123 0.008 0.39847 9.52 ug/L Se 77 189.361 7.724 0.001 0.32556 23.66 ug/L Se 82 163.336 10.269 0.001 0.27921 30.19 ug/L Ag 107 134.336 5.385 -0.000 -0.04469 1.45 ug/L In 115 1314641.044 1.990 1314641.044 ug/L Sb 121 447.349 6.488 0.000 0.04632 8.94 ug/L Sb 123 368.867 1.828 0.000 0.04992 2,67 ug/L Ba 135 43120.797 1.075 0.024 16.18082 0.59 ug/L Ba 137 74721.001 2.255 0.041 16.12917 1.82 ug/L Ho 165 1779300.490 0.834 -0.005 ug/L Tb 159 1804763.033 0.486 1804763.033 ug/L Hg 201 39.000 26.770 -0.000 -0.02522 34.45 ug/L Hg 202 76.334 . 12.925 -0.000 -0.02202 16.34 ug/L TI 205 909.388 7.525 -0.000 -0.00720 36.10 ug/L Pb 208 3462.961 7.308 0.001 0.04590 15.50 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Sc-1 45 115.885 Cr 52 Cr 53 Mn 55

Sample ID: AE08681 Report Date/Time: Monday, April 22, 2002 13:17:39 Page 1

NYC-WTC_000040912

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NYC-WTC_000040912Source: NYC Law Department, mirrored locally

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