ICP-MS analysis report, Dec 26, 2001

NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: Standard 2 Sample Date/Time: Wednesday, December 26, 2001 10:25:38 Sample Type: Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE200.8.mth Dataset File: d:\elandata\07-18-01 to 01-03-2002\daily performance\Standard 2.1372 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 34828.950 1.610 0.048 59.75505 1.85 ug/L |> Sc-1 45 727327.425 1.635 727327.425 ug/L I V 51 923134.843 2.654 1.267 59.82724 1.48 mg/L L Mn 55 1252796.671 0.596 1.722 59.92166 1.18 ug/L r> In 115 1635903.314 0.490 1635903.314 ug/L i Sb 121 631675.852 0.595 0.386 59.84372 0.50 ug/L L Sb 123 488380.472 0.540 0.299 59.89864 0.39 ug/L r> Ho 165 2120640.078 0.566 2120640.078 ug/L L Tl 205 2004045.689 1.348 0.945 59.69313 1.92 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 I V 51 L Mn 55 r> In 115 I Sb 121 L Sb 123 r> Ho 165 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient r Be 9Linear Thru Zero 0.999967 |> Sc-1 45Linear Thru Zero I V 51 Linear Thru Zero 0.999983 L Mn 55Linear Thru Zero 0.999997 r> In 115LinearThru Zero I Sb 121 Linear Thru Zero 0.999986 L Sb 123LinearThru Zero 0.999994 r> Ho 165Linear Thru Zero

Sample ID: Standard 2 Report Date/Time: Wednesday, January 16, 2002 14:07:27 Page 1

NYC-WTC_000085049