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← Document results/DEP Box 63/15 April 2nd, 2002 NEWN AE06048 - AE06754
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Water metal analysis results, April 2, 2002

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Laboratory report from Westchester County Dept of Labs and Research detailing Method 200.8 metal concentrations in water samples dated April 2, 2002.

NYC-WTC_000077814–000077891

Folder label: “15 April 2nd, 2002 NEWN AE06048 - AE06754”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE06581 Sample Date/Time: Tuesday, April 02, 2002 14:27:12 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE06581.341 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 20594.176 1.537 0.042 52.22217 0.35 ug/L i>Sc-1 45 492296.176 1.224 492296.176 ug/L 1 Cr 52 461153.578 1.906 0.922 48.67279 1.10 ug/L I Mn 55 943399.688 2.138 1.913 62.44859 0.93 ug/L I Ni 60 112149.304 0.256 0.228 47.51045 1.30 ug/L I Cu 63 268781.719 1.479 0.546 49.61742 0.53 ug/L L Cu 65 131398.179 1.181 0.267 49.14239 0.04 ug/L r Zn 66 91139.840 0.873 0.914 50.07591 0.86 ug/L 1 Zn 67 16036.626 0.617 0.160 50.09957 0.54 ug/L |> Ge 72 99015.961 0.193 99015.961 ug/L I As 75 102250.938 0.298 1.031 50.76082 0.36 ug/L I Se 77 8943.822 2.469 0.089 51.87716 2.44 ug/L L Se 82 12165.256 1.091 0.121 53.20958 0.91 ug/L r Ag 107 519158.076 2.100 0.371 46.16217 2.85 ug/L I Cd 111 139949.353 0.737 0.099 48.51785 0.30 ug/L I Cd 114 335393.773 0.290 0.240 48.97826 1.18 ug/L i> In 115 1397541.211 1.035 1397541.211 ug/L I Sb 121 487207.338 1.536 0.348 50.76750 0.89 ug/L L Sb 123 374252.474 0.757 0.268 50.82092 1.15 ug/L r Ba 135 180836.389 1.805 0.093 57.66766 0.69 ug/L I Ba 137 314428.011 1.800 0.162 57.21373 1.05 ug/L |> Tb 159 1939107.110 1.146 1939107.110 ug/L I Ho 165 1942999.354 1.603 0.137 ug/L I Tl 205 1266727.914 1.074 0.653 44.72623 1.40 ug/L L Pb 208 1686516.691 0.404 0.869 44.40825 0.79 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 104.435 i> Se-I 45 88.672 I Cr 52 97.216 I Mn 55 96.486 I Ni 60 94.371 1 Cu 63 98.603 L Cu 65 95.650

Sample ID: AE06581 Report Date/Time: Tuesday, April 02, 2002 14:28:53 Page 1

NYC-WTC_000077864

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