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Method 200.8 ICP-MS lab results, NEWE samples, Jan 11, 2002

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ICP-MS analysis of water samples using Method 200.8 with elemental measurements (Be, Sc, Mn, In, Sb, Ho) and quality control replicates performed on January 11, 2002.

NYC-WTC_000085478–000085537

Folder label: “NEWE 1/11/2002 AD 31456 - AE00110 Batches 16390 16391 16402 copies made

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: CeV STD1 30 PPB Sample Date/Time: Friday, January 11, 2002 14:47:40 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.2054 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 14571.486 2.488 0.024 30.16189 3.13 ug/L |> Sc-1 45 610570.746 1.842 610570.746 ug/L L Mn 55 515866.105 2.877 0.844 29.26006 2.95 ug/L r> In 115 1250930.307 1.164 1250930.307 ug/L I Sb 121 240288.062 0.911 0.192 29.80908 1.90 ug/L L Sb 123 186575.146 0.871 0.149 30.15966 1.27 ug/L r> Ho 165 1707289.635 2.036 1707289.635 ug/L L Tl 205 798910.931 1.262 0.468 30.24462 1.05 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Sc-1 45 96.161 L Mn 55 r> In 115 94.855 I Sb 121 L Sb 123 r> Ho 165 95.059 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient r Be 9Linear Thru Zero 0.999992 |> Sc-1 45Linear Thru Zero L Mn 55Linear Thru Zero 0.999983 r> In HSLinear Thru Zero I Sb 121 Linear Thru Zero 0.999998 L Sb 123Linear Thru Zero 1.000000 r> Ho 165 Linear Thru Zero L Tl 205Linear Thru Zero 0.999977

Sample ID: CeV STD1 30 PPB Report Date/Time: Friday, January 11,2002 14:48:12 Page 1

NYC-WTC_000085519

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