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Method 200.8 Water Analysis Summary Report, Feb 6, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on February 6, 2002.

NYC-WTC_000076540–000076575

Folder label: “NEWQ Feb 6, 2002 AE02561 - AE02603

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: LFB 50 PPB Sample Date/Time: Wednesday, February 06, 2002 13:10:39 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE.mth Dataset File: d:\elandata\Dataset\daily performance\LFB 50 PPB.329 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 29999.049 0.546 0.043 51.48226 0.72 ug/L i> Se-I 45 703693.905 0.685 703693.905 ug/L 1 Cr 52 632349.601 0.169 0.885 48.92762 0.87 ug/L 1 Cr 53 73767.493 0.746 0.104 48.91587 1.37 ug/L I Mn 55 997432.458 0.352 1.416 49.26270 0.82 ug/L I Ni 60 154849.609 0.874 0.220 48.68954 1.25 ug/L I Cu 63 355230.618 0.439 0.504 48.80580 0.39 ug/L L Cu 65 174154.131 0.967 0.247 48.54217 0.68 ug/L r Zn 66 111984.663 0.959 0.925 50.72950 0.87 ug/L Zn 67 19509.106 0.578 0.161 49.77384 0.68 ug/L I Zn 68 80799.998 1.300 0.667 50.15742 1.28 ug/L |> Ge 72 120404.972 0.107 120404.972 ug/L As 75 121017.577 0.979 0.931 49.03525 1.15 ug/L L Se 77 9781.357 1.055 0.080 48.89900 1.17 ug/L r Ag 107 604582.028 0.450 0.412 49.54568 49.68280 1.07 ug/L I Cd 111 149857.976 1.091 0.102 1.27 ug/L I Cd 114 351323.428 0.482 0.239 49.48595 1.15 ug/L |> In 115 1466703.682 0.896 1466703.682 ug/L I Sb 121 462920.978 0.472 0.316 49.23587 1.27 ug/L L Sb 123 359690.015 0.550 0.245 49.52961 1.39 ug/L r Ba 135 142605.901 0.515 0.059 45.64043 1.35 ug/L I Ba 137 250310.129 1.386 0.103 45.68497 q 1.11 ug/L i> Ho 165 2430932.432 0.850 2430932.432 ug/L Ti 205 1721508.487 0.836 0.708 43.40207 0.75 ug/L L Pb 208 2356700.567 0.462 0.967 1.21 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 l> Sc-1 45 91.836 I Cr 52 I Cr 53 I Mn 55 I Ni 60

Sample ID: LFB 50PPB Report Date/Time: Wednesday, February 06, 2002 13:12:17 Page 1

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