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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: AE08484 Sample Date/Time: Monday, April 22, 2002 13:03:10 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08484.507 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 6.667 45.826 -0.000 -0.02113 45.56 ug/L > Se-1 45 482645.403 2.139 482645.403 ug/L Cr 52 11068.848 2.684 0.007 0.35156 1.92 ug/L Cr 53 1435.461 4.547 0.001 0.56904 9.85 ug/L Mn 55 225104.718 2.296 0.462 15.98961 0.47 ug/L Ni 60 1071.407 5.128 0.002 0.36349 4.70 ug/L Cu 63 50622.403 1.101 0.104 9.47546 2.11 ug/L Cu 65 25370.276 1.453 0.052 9.58635 1.67 ug/L Zn 66 4854.678 1.447 0.044 2.63863 0.35 ug/L Zn 67 1026.068 4.543 0.009 3.02768 5.33 ug/L Zn 68 4305.730 2.672 0.040 3.18047 1.45 ug/L > Ge 72 94356.504 1.640 94356.504 ug/L As 75 779.576 11.516 0.008 0.37561 12.89 ug/L Se 77 179.565 2.876 0.001 0.28218 9.91 ug/L Se 82 145.336 7.579 0.000 0.20169 29.56 ug/L Ag 107 236.672 10.842 -0.000 -0.03418 8.07 ug/L In 115 1291182.307 0.829 1291182.307 ug/L Sb 121 554.356 4.154 0.000 0.05971 3.62 ug/L Sb 123 433.870 5.017 0.000 0.06072 6.01 ug/L Ba 135 45192.511 1.079 0.025 17.12291 0.61 ug/L Ba 137 77802.654 1.282 0.043 16.95723 0.09 ug/L Ho 165 1760652.793 0.837 -0.006 ug/L Tb 159 1787655.989 1.292 1787655.989 ug/L Hg 201 67.001 5.970 -0.000 -0.00108 247.15 ug/L Hg 202 134.002 6.633 0.000 0.00020 1448.64 ug/L TI 205 960.727 6.191 -0.000 -0.00475 45.61 ug/L Pb 208 11670.710 1.480 0.005 0.29568 0.96 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 > Sc-1 45 113.728 Cr 52 Cr 53 Mn 55

Sample ID: AE08484 Report Date/Time: Monday, April 22, 2002 13:04:51 Page 1

NYC-WTC_000040904

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NYC-WTC_000040904Source: NYC Law Department, mirrored locally

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