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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: ICV STD2 60 PPB Sample Date/Time: Thursday, January 24, 2002 09:43:24 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE200.8.mth Dataset File: d:\elandata\Dataset\daiIy performanceMCV STD2 60 PPB.2474 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 38529.862 0.215 0.046 60.28248 0.71 ug/L 1> Sc-1 45 837602.791 0.534 837602.791 ug/L L Mn 55 1413785.058 0.355 1.687 60.29567 0.85 ug/L r> In 115 1779034.347 0.220 1779034.347 ug/L I Sb 121 656570.136 0.769 0.369 59.19598 0.79 ug/L L Sb 123 513144.038 0.624 0.288 59.56273 0.47 ug/L r> Ho 165 2636344.713 1.951 2636344.713 ug/L L Tl 205 2550897.978 2.787 0.967 60.05266 2.67 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 45 101.164 L Mn 55 r> In 115 102.339 1 Sb 121 L Sb 123 r> Ho 165 106.565 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient r Be 9Linear Thru Zero 1.000000 |> Sc-1 45Llnear Thru Zero L Mn 55Ljnear Thru Zero 0.999988 r> In 115Linear Thru Zero I Sb 121 Linear Thru Zero 0.999990 L Sb 123Linear Thru Zero 0.999998 r> Ho 165Linear Thru Zero L Tl 205Linear Thru Zero 1.000000

Sample ID: ICV STD2 60 PPB Report Date/Time: Thursday, January 24, 2002 09:43:57 Page 1

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NYC-WTC_000076193Source: NYC Law Department, mirrored locally

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