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ICP-MS analysis report, Dec 26, 2001

Machine-extracted title · confidence 95%

Laboratory summary report detailing concentrations of Beryllium, Scandium, Vanadium, Manganese, and Indium tested December 26, 2001.

NYC-WTC_000085045–000085068

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: ICV CAL BK Sample Date/Time: Wednesday, December 26, 2001 10:30:32 Sample Type: Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE200.8.mth Dataset File: d:\elandata\07-18-01 to 01-03-2002\daily performanceMCV CAL BK.1373 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 17.334 14.519 0.000 0.00481 98.99 ug/L I: Sc-1 45 699790.191 0.851 699790.191 ug/L V 51 1301.773 0.597 0.000 0.00354 6.34 mg/L L Mn 55 495.018 1.414 0.000 0.00312 6.85 ug/L r> In 115 1612798.645 0.487 1612798.645 ug/L I Sb 121 256.673 10.608 0.000 0.01642 16.58 ug/L L Sb 123 207.309 6.591 0.000 0.01818 9.92 ug/L r> Ho 165 2101204.626 0.510 2101204.626 ug/L L Tl 205 1011.733 1.440 0.000 0.00131 28.35 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 95.556 I V 51 L Mn 55 r> In 115 96.857 I Sb 121 L Sb 123 r> Ho 165 99.119 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient r Be 9Linear Thru Zero 0.999967 |> Sc-1 45Linear Thru Zero I V 51 Linear Thru Zero 0.999983 L Mn 55Linear Thru Zero 0.999997 r> In 115Linear Thru Zero I Sb 121 Linear Thru Zero 0.999986 L Sb 123Linear Thru Zero 0.999994 r> Ho 165LinearThru Zero

Sample ID: ICV CAL BK Report Date/Time: Wednesday, January 16, 2002 14:07:30 Page 1

NYC-WTC_000085051

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NYC-WTC_000085051Source: NYC Law Department, mirrored locally

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