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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: AD31465 Sample Date/Time: Friday, January 11, 2002 13:18:12 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\AD31465.2035 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 11.333 18.368 0.000 0.00166 327.17 ug/L i> Sc-1 45 595675.652 4.902 595675.652 ug/L L Mn 55 550689.152 1.787 0.925 32.06312 4.90 ug/L r> In 115 1240941.770 0.300 1240941.770 ug/L i Sb 121 439.015 7.772 0.000 0.05075 8.59 ug/L L Sb 123 343.811 3.100 0.000 0.05196 3.17 ug/L r> Ho 165 1690168.737 1.788 1690168.737 ug/L L Tl 205 284.341 1.332 0.000 0.00308 10.80 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff f Be 9 |> Sc-1 45 93.816 L Mn 55 r> In 115 94.098 I Sb 121 L Sb 123 r> Ho 165 94.106 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient r Be 9Linear Thru Zero 0.999992 |> Sc-1 45Linear Thru Zero L Mn SSLinear Thru Zero 0.999983 r> In IISLinear Thru Zero 1 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: AD31465 Report Date/Time: Friday, January 11, 2002 13:18:44 Page 1

NYC-WTC_000085500

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