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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: AD30116SPK Sample Date/Time: Wednesday, December 26, 2001 13:40:52 Sample Type: Sample Sample Description: 1:2 SPK 50 PPB NEW ONE PREPARED Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWE200.8. mth Dataset File: d:\Elandata\Dataset\daily performance\AD30116SPK.1428 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 29164.003 1.510 0.044 55.19172 1.78 ug/L i> Sc-1 45 659312.196 0.698 659312.196 ug/L I V 51 720283.355 0.881 1.091 51.49219 1.57 mg/L L Mn 55 1155136.075 1.535 1.751 60.94296 1.36 ug/L r> In 115 1579137.424 1.516 1579137.424 ug/L i Sb 121 519867.832 0.474 0.329 51.02819 1.60 ug/L L Sb 123 403054.922 0.432 0.255 51.21663 1.46 ug/L r> Ho 165 1923428.144 0.758 1923428.144 ug/L L Tl 205 1587909.315 0.250 0.825 48.53835 0.84 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 90.028 V 51 L Mn 55 r> In 115 94.836 I Sb 121 L Sb 123 r> Ho 165 101.350 L Tl 205

NYC-WTC_000085127

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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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