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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: AE08255 Sample Date/Time: Tuesday, April 16, 2002 13:20:46 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08255.582 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 r Se-1 Be 9 45 12.000 505532.935 36.324 2.042 -0.000 505532.935 -0.00104 964.43 ug/L ug/L Cr 52 8872.417 1.670 0.001 0.03065 110.30 ug/L Cr 53 1413.457 2.593 0.001 0.63468 8.79 ug/L Mn 55 198517.788 2.273 0.390 12.72546 4.29 ug/L Ni 60 852.382 5.249 0.002 0.32719 6.90 ug/L Cu 63 8402.299 1.517 0.016 1.52165 2.34 ug/L Cu 65 3796.165 4.516 0.007 1.30346 6.88 ug/L Zn 66 4453.470 3.878 0.040 2.23535 5.58 ug/L Zn 67 927.390 3.696 0.008 2.49053 3.09 ug/L Zn 68 3929.222 0.471 0.036 2.72799 1.08 ug/L Ge 72 97090.714 1.067 97090.714 ug/L As 75 519.469 6.059 0.005 0.24506 5.99 ug/L Se 77 143.889 3.010 0.000 0.22320 12.49 ug/L Se 82 112.669. 17.870 0.000 0.02935 292.11 ug/L Ag 107 336.010 7.629 -0.000 -0.00414 60.48 ug/L Cd 111 919.594 5.100 -0.000 -0.03935 64.80 ug/L Cd 114 82.272 11.410 -0.000 -0.00931 13.25 ug/L In 115 1268259.215 2.872 1268259.215 ug/L Sb 121 433.681 3.922 0.000 0.04660 2.40 ug/L Sb 123 330.113 6.400 0.000 0.04296 4.78 ug/L Ba 135 41539.800 2.177 0.024 16.08605 0.28 ug/L Ba 137 69241.784 1.983 0.041 15.18263 4.36 ug/L > Tb 159 1706405.848 2.356 1706405.848 ug/L Ho 165 1659004.841 1.158 -0.004 ug/L TI 205 1278.103 3.092 -0.000 -0.01547 3.00 ug/L Pb 208 3766.342 3.003 0.001 0.05062 3.34 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 > Sc-1 45 103.437 Cr 52 Cr 53 Mn 55

Sample ID: AE08255 Report Date/Time: Tuesday, April 16, 2002 13:22:33 Page 1

NYC-WTC_000040828

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NYC-WTC_000040828Source: NYC Law Department, mirrored locally

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