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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: QCS Sample Date/Time: Wednesday, December 26, 2001 10:37:56 Sample Type: Sample Sample Description: 50 PPB Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWE200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\QCS.1376 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 28720.583 0.248 0.040 50.06933 2.00 ug/L |> Sc-1 45 715826.414 1.890 715826.414 ug/L I V 51 763914.203 2.618 1.066 50.31003 3.55 mg/L L Mn 55 1041294.357 0.724 1.455 50.61271 2.61 ug/L r> In 115 1603839.564 0.246 1603839.564 ug/L I Sb 121 522824.311 0.709 0.326 50.52043 0.81 ug/L L Sb 123 402041.108 0.462 0.251 50.29357 0.24 ug/L r> Ho 165 1915414.222 1.203 1915414.222 ug/L L Tl 205 1706246.433 0.297 0.890 52.37856 1.09 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 97.745 I V 51 L Mn 55 r> In 115 96.319 I Sb 121 L Sb 123 r> Ho 165 100.928 L Tl 205

NYC-WTC_000085078

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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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