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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: Standard 2 Sample Date/Time: Wednesday, December 26, 2001 10:25:38 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\Standard 2.1372 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 34828.950 1.610 0.048 59.75505 1.85 ug/L |> Sc-1 45 727327.425 1.635 727327.425 ug/L I V 51 923134.843 2.654 1.267 59.82724 1.48 mg/L (_ Mn 55 1252796.671 0.596 1.722 59.92166 1.18 ug/L r> In 115 1635903.314 0.490 1635903.314 ug/L I Sb 121 631675.852 0.595 0.386 59.84372 0.50 ug/L L Sb 123 488380.472 0.540 0.299 59.89864 0.39 ug/L r> Ho 165 1898480.123 0.566 1898480.123 ug/L L Tl 205 1908119.985 7.335 1.004 59.08262 6.82 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 I V 51 L Mn 55 r> In 115 I Sb 121 L Sb 123 r> Ho 165 L Tl 205

NYC-WTC_000085074

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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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