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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: LFB Sample Date/Time: Wednesday, December 26, 2001 10:39:58 Sample Type: Sample Description: 50 PPB 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 performance\LFB.1377 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 28729.613 0.678 0.040 50.15998 2.84 ug/L |> Sc-1 45 715034.019 3.382 715034.019 ug/L I V 51 758791.072 2.472 1.060 50.03351 2.73 mg/L L Mn 55 1035127.612 2.323 1.447 50.36667 1.60 ug/L r> In 115 1618851.203 0.826 1618851.203 ug/L I Sb 121 519855.733 0.334 0.321 49.76920 0.77 ug/L L Sb 123 400035.417 0.489 0.247 49.58020 0.69 ug/L r> Ho 165 2118002.659 0.598 2118002.659 ug/L L Tl 205 1648624.404 0.492 0.778 49.16104 1.09 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery I nt Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 97.637 I V 51 L Mn 55 r> In 115 97.221 I Sb 121 L Sb 123 r> Ho 165 99.911 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 165Linear Thru Zero

Sample ID: LFB Report Date/Time: Wednesday, January 16, 2002 14:07:41 Page 1

NYC-WTC_000085059

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NYC-WTC_000085059Source: NYC Law Department, mirrored locally

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