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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: AE00100 Sample Date/Time: Friday, January 11, 2002 15:05:51 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\AE00100.2061 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 15.667 40.537 0.000 0.01034 123.84 ug/L |> Sc-1 45 599658.191 1.766 599658.191 ug/L L Mn 55 647576.294 2.742 1.079 37.40574 2.42 ug/L r> In 115 1238564.642 1.665 1238564.642 ug/L I Sb 121 1029.735 0.716 0.001 0.12488 1.57 ug/L L Sb 123 790.443 4.774 0.001 0.12508 6.47 ug/L r> Ho 165 1709600.393 2.040 1709600.393 ug/L L Tl 205 560.356 11.437 0.000 0.01342 20.49 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery I nt Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 I > Sc-1 45 94.443 L Mn 55 r> In 115 93.918 I Sb 121 L Sb 123 r> Ho 165 95.187 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 115Linear Thru Zero I Sb 121 Linear Thru Zero 0.999998 L Sb 123Linear Thru Zero 1.000000 r> Ho 165Linear Thru Zero L Tl 205Linear Thru Zero 0.999977

Sample ID: AE00100 Report Date/Time: Friday, January 11, 2002 15:06:24 Page 1

NYC-WTC_000085526

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