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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: AD31670 Sample Date/Time: Friday, January 11, 2002 14:32:46 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\AD31670.2048 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 14.000 28.571 0.000 0.00596 137.34 ug/L |> Sc-1 45 620464.421 1.478 620464.421 ug/L L Mn 55 663858.528 2.251 1.069 37.05550 0.78 ug/L r> In 115 1311679.635 2.272 1311679.635 ug/L I Sb 121 427.681 11.497 0.000 0.04638 10.33 ug/L L Sb 123 328.895 1.704 0.000 0.04665 2.44 ug/L r> Ho 165 1798452.695 0.280 1798452.695 ug/L L Tl 205 193.337 5.995 -0.000 -0.00085 48.26 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 97.720 L Mn 55 r> In 115 99.462 I Sb 121 L Sb 123 r> Ho 165 100.135 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient r Be 9Linear Thru Zero 0.999992 l> Sc-1 45Linear Thru Zero L Mn 55Linear Thru Zero 0.999983 r> In IISLinear Thru Zero I Sb 121 Linear Thru Zero 0.999998 L Sb 123 Linear Thru Zero 1.000000 r> Ho 165Linear Thru Zero L Tl 205Linear Thru Zero 0.999977

Sample ID: AD31670 Report Date/Time; Friday, January 11, 2002 14:33:19 Page 1

NYC-WTC_000085513

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