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ICP-MS duplicate analysis report, Dec 26, 2001

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Laboratory summary report of duplicate sample AD29286DUP tested December 26, 2001, showing concentrations for Beryllium, Scandium, and Vanadium.

NYC-WTC_000085069–000085185

Folder label: “NEWE 12/26/01 29286 - 31380”

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: AD30113 Sample Date/Time: Wednesday, December 26, 2001 12:48:18 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWE200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\AD30113.1419 Sample Prep Volume (mb): Initial Sample Quantity (mg): Aliquot Volume (mb): Diluted To Volume (mb):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 18.667 15.465 0.000 0.00742 71.58 ug/L |> Sc-1 45 694862.008 2.107 694862.008 ug/L I V 51 5266.244 1.245 0.006 0.27355 1.55 mg/L L Mn 55 391883.319 2.707 0.563 19.60370 2.10 ug/L r> In 115 1533445.093 1.510 1533445.093 ug/L I Sb 121 618.694 2.848 0.000 0.05428 1.53 ug/L L Sb 123 495.159 1.061 0.000 0.05719 2.86 ug/L r> Ho 165 1872247.375 0.834 1872247.375 ug/L L Tl 205 163.003 8.848 -0.000 -0.02516 1.69 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Sc-1 45 94.883 I V 51 L Mn 55 r> In 115 92.092 I Sb 121 L Sb 123 r> Ho 165 98.653 L Tl 205

NYC-WTC_000085118

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ICP-MS summary report, Jan 14 2002 · Box DEP Box 66

NYC-WTC_000085539

Method 200.8 laboratory summary report listing elemental concentrations including Beryllium, Scandium, Manganese, Indium, and Antimony.

1 shared topics · Same agency, volume and box · similarity 0.992

machine-extracted · confidence unavailable · Check page ↗
ICP-MS summary report, Jan 18 2002 · Box DEP Box 66

NYC-WTC_000085865

Method 200.8 laboratory summary report listing elemental concentrations including Beryllium, Scandium, Manganese, Indium, and Antimony.

1 shared topics · Same agency, volume and box · similarity 0.992

machine-extracted · confidence unavailable · Check page ↗

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