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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: ICV CALBK Sample Date/Time: Monday, April 15, 2002 09:26:11 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york citICV CAL BK.491 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 8.333 24.980 -0.000 -0.00140 380.27 ug/L > Se-1 45 564974.710 3.187 564974.710 ug/L Cr 52 8225.806 3.807 -0.002 -0.08761 51.95 ug/L Cr 53 773.041 2.054 -0.001 -0.29113 3.38 ug/L Mn 55 1716.179 2.675 -0.001 -0.01953 32.06 ug/L Ni 60 44.667 7.862 -0.000 -0.00816 15.24 ug/L Cu 63 296.341 8.144 -0.000 -0.01276 23.67 ug/L Cu 65 167.670 5.346 -0.000 -0.01131 42.77 ug/L Zn 66 586.025 5.323 -0.001 -0.04671 18.45 ug/L Zn 67 144.336 8.663 -0.000 -0.07360 49.14 ug/L Zn 68 466.017 6.813 -0.001 -0.04743 28.33 ug/L Ge 72 106601.095 2.865 106601.095 ug/L As 75 10.513 176.752 -0.000 -0.00857 102.48 ug/L Se 77 11.847 210.343 0.000 0.03487 236.86 ug/L Se 82 102.002 11.306 -0.000 -0.06740 88.30 ug/L Ag 107 1205.426 12.956 0.000 0.01796 76.84 ug/L Cd 111 1214.943 3.303 -0.000 -0.01171 97.92 ug/L Cd 114 119.405 13.437 -0.000 -0.00180 135.12 ug/L In 115 1477795.232 1.090 1477795.232 ug/L Sb 121 284.674 16.328 0.000 0.02351 19.82 ug/L Sb 123 241.898 22.136 0.000 0.02725 26.14 ug/L Ba 135 57.667 5.574 -0.000 -0.00253 44.59 ug/L Ba 137 97.001 10.763 -0.000 -0.00142 120.38 ug/L > Tb 159 1961671.811 1.668 1961671.811 ug/L Ho 165 1873442.296 8.616 0.099 ug/L TI 205 2029.916 11.972 -0.000 -0.00455 /173.19 ug/L Pb 208 1906.096 1.135 0.000 0.00003 5332.59 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 96.063 Cr 52 Cr 53 Mn 55

Sample ID: ICV CALBK Report Date/Time: Monday, April 15, 2002 09:28:36 Page 1

NYC-WTC_000040655

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NYC-WTC_000040655Source: NYC Law Department, mirrored locally

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