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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: AD30116DUP Sample Date/Time: Wednesday, December 26, 2001 13:22:18 Sample Type: Sample Sample Description: 1:2 Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWE200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\AD30116DUP.1426 Sample Prep Volume (ml): Initial Sample Quantity (mg): 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 Be 9 20.000 31.225 0.000 0.01005 114.96 ug/L |> Sc-1 45 690957.136 0.784 690957.136 I V 51 3104.228 1.305 0.003 0.12782 ^/i>3.18 mg/L L Mn 55 225079.737 1.784 0.325 11.31369 1.77 ug/L r> In 115 1611317.258 0.953 1611317.258 ug/L I Sb 121 442.349 12.998 0.000 0.03427 14.90 ug/L L Sb 123 358.224 3.865 0.000 0.03699 4.05 ug/L r> Ho 165 1948952.556 0.420 1948952.556 ug/L L Tl 205 274.007 9.814 -0.000 -0.02201 3.55 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 94.350 I V 51 L Mn 55 r> In 115 96.768 I Sb 121 L Sb 123 r> Ho 165 102.695 L Tl 205

NYC-WTC_000085125

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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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