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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: AE07632 Sample Date/Time: Tuesday, April 16,2002 10:43:27 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07632.562 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 10.667 32.924 -0.000 -0.00399 212.51 ug/L Se-1 45 502039.886 2.273 502039.886 ug/L Cr 52 8247.493 4.071 -0.001 -0.02742 192.27 ug/L Cr 53 1439.795 2.807 0.002 0.66610 7.47 ug/L Mn 55 194077.728 1.690 0.384 12.52077 1.40 ug/L Ni 60 1072.407 1.775 0.002 0.41955 3.98 ug/L Cu 63 7822.110 2.087 0.015 1.42352 3.63 ug/L Cu 65 3894.206 1.928 0.007 1.34779 4.21 ug/L Zn 66 2545.715 2.613 0.021 1.16530 4.12 ug/L Zn 67 618.027 2.528 0.005 1.54076 2.51 ug/L Zn 68 2601.732 3.626 0.023 1.72605 7.19 ug/L > Ge 72 95917.857 2.529 95917.857 ug/L As 75 572.307 8.871 0.006 0.27484 10.88 ug/L Se 77 166.851 7.494 0.001 0.36046 22.06 ug/L Se 82 127.336 12.960 0.000 0.10498 85.27 ug/L Ag 107 265.007 17.983 -0.000 -0.01172 34.56 ug/L Cd 111 925.465 6.744 -0.000 -0.04898 37.89 ug/L Cd 114 124.093 10.972 -0.000 -0.00299 64.69 ug/L > In 115 1310336.801 1.302 1310336.801 ug/L Sb 121 491.352 4.395 0.000 0.05153 4.55 ug/L Sb 123 365.903 7.552 0.000 0.04652 8.24 ug/L Ba 135 41569.910 0.593 0.024 15.64971 2.88 ug/L Ba 137 74527.682 1.217 0.042 15.87452 1.75 ug/L > Tb 159 1755935.511 2.384 1755935.511 ug/L Ho 165 1824917.937 2.187 0.064 ug/L TI 205 1753.520 3.734 0.000 0.00357 50.03 ug/L Pb 208 9657.083 0.503 0.004 0.23023 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 45 102.722 Cr 52 Cr 53 Mn 55

Sample ID: AE07632 Report Date/Time: Tuesday, April 16, 2002 10:45:14 Page 1

NYC-WTC_000040788

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NYC-WTC_000040788Source: NYC Law Department, mirrored locally

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