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ICP-MS analysis report, Dec 26, 2001

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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 STD1 30 PPB Sample Date/Time: Wednesday, December 26, 2001 10:33:30 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 STD1 30 PPB.1374 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 17561.123 1.537 0.024 30.00465 2.63 ug/L |> Sc-1 45 730091.011 1.228 730091.011 ug/L I V 51 464686.884 0.629 0.635 29.96594 1.68 mg/L L Mn 55 627737.356 1.879 0.859 29.89629 1.24 ug/L r> In 115 1642158.807 1.153 1642158.807 ug/L I Sb 121 318150.885 0.431 0.194 30.02558 1.59 ug/L L Sb 123 246304.034 0.534 0.150 30.09187 1.10 ug/L r> Ho 165 2124196.715 0.217 2124196.715 ug/L L Tl 205 1031387.809 0.422 0.485 30.65349 0.44 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 99.693 I V 51 L Mn 55 r> In 115 98.620 I Sb 121 L Sb 123 r> Ho 165 100.203 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: ICV STD1 30 PPB Report Date/Time: Wednesday, January 16, 2002 14:07:32 Page 1

NYC-WTC_000085053

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NYC-WTC_000085053Source: NYC Law Department, mirrored locally

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