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Method 200.8 Water Analysis Summary Report, Jan 24, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on January 24, 2002.

NYC-WTC_000076188–000076225

Folder label: “NEWE Jan 24, 2002 AE01462 - AE01734

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: CCV STD1 30 PPB Sample Date/Time: Thursday, January 24, 2002 11:03:13 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.2505 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 18623.243 1.075 0.024 31.43207 1.27 ug/L 1> Sc-1 45 776179.715 0.784 776179.715 ug/L L Mn 55 658687.190 0.474 0.847 30.29376 0.48 ug/L r> In 115 1667614.556 0.285 1667614.556 ug/L I Sb 121 313029.256 1.115 0.188 30.10545 1.04 ug/L L Sb 123 241444.633 0.893 0.145 29.89467 0.65 ug/L r> Ho 165 2567372.326 1.633 2567372.326 ug/L L Tl 205 1187183.595 1.094 0.462 28.68305 1.10 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 93.746 L Mn 55 r> In 115 95.929 I Sb 121 L Sb 123 r> Ho 165 103.777 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient r Be 9Unear Thru Zero 1.000000 1> Sc-1 45Llnear Thru Zero L Mn 55Llnear Thru Zero 0.999988 r> In 11 SLInear Thru Zero I Sb 121 Linear Thru Zero 0.999990 L Sb 123Llnear Thru Zero 0.999998 r> Ho 165LlnearThru Zero L Tl 205Linear Thru Zero 1.000000

Sample ID: CCV STD1 30 PPB Report Date/Time: Thursday, January 24, 2002 11:03:46 Page 1

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NYC-WTC_000076224Source: NYC Law Department, mirrored locally

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