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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: CCV STD1 30 PPB Sample Date/Time: Wednesday, December 26, 2001 14:32:42 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\CCV STD1 30 PPB.1439 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 17402.152 2.190 0.025 31.03992 1.74 ug/L i> Sc-1 45 699225.653 1.211 699225.653 ug/L I V 51 450991.569 1.533 0.643 30.36599 1.77 mg/L L Mn 55 608395.533 1.423 0.870 30.25745 1.75 ug/L r> In 115 1563454.530 0.071 1563454.530 ug/L I Sb 121 305412.491 1.037 0.195 30.27081 1.06 ug/L L Sb 123 234295.871 0.932 0.150 30.06339 0.87 ug/L r> Ho 165 1885171.040 0.512 1885171.040 ug/L L Tl 205 983036.981 1.819 0.521 30.64505 1.34 ug/L

QC Calculated Values V Analyte Mass QC Std % Recovery I nt Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 95.479 I V 51 L Mn 55 r> In 115 93.894 I Sb 121 L Sb 123 r> Ho 165 99.334 L T1 205

NYC-WTC_000085138

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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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