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← Document results/DEP Box 63/20 April 4, 2002 NEWQ AE05965 - AE06336
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Water metal analysis results, April 4, 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 4, 2002.

NYC-WTC_000078151–000078232

Folder label: “20 April 4, 2002 NEWQ AE05965 - AE06336

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE05965 Sample Date/TIme: Thursday, April 04, 2002 12:47:05 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE05965.210 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 21750.928 5.622 0.045 49.97994 7.30 ug/L I: Sc-1 45 481236.319 2.173 481236.319 ug/L Cr 52 448102.074 3.677 0.916 48.03797 2.94 ug/L 1 Cr 53 53025.402 1.135 0.109 47.15135 1.81 ug/L I Mn 55 976750.015 3.536 2.027 63.67059 2.13 ug/L I Ni 60 111885.056 5.406 0.232 46.67199 3.75 ug/L I Cu 63 263812.515 4.739 0.548 47.67969 3.27 ug/L L Cu 65 131653.130 0.920 0.273 48.16991 3.10 ug/L r Zn 66 88272.142 3.965 0.918 50.44959 4.31 ug/L Zn 67 15252.289 4.805 0.158 49.99894 5.61 ug/L I Zn 68 62798.583 3.082 0.653 49.98491 3.72 ug/L l> Ge 72 95614.153 0.747 95614.153 ug/L I As 75 99683.439 3.169 1.040 49.70243 2.54 ug/L I Se 77 8722.944 5.005 0.090 52.10703 4.35 ug/L L Se 82 12384.577 6.477 0.128 52.37138 5.91 ug/L r Ag 107 518444.373 3.327 0.376 46.49710 3.88 ug/L |> In 115 1377070.549 0.685 1377070.549 ug/L Sb 121 465253.151 3.624 0.338 50.68456 3.22 ug/L L Sb 123 354055.648 0.041 0.257 50.68358 0.65 ug/L r Ba 135 169376.349 2.631 0.091 62.97570 0.50 ug/L 1 Ba 137 295824.319 3.287 0.160 61.87913 3.47 ug/L |> Ho 165 1852704.925 2.944 1852704.925 ug/L 1 Tl 205 1209035.050 4.545 0.652 48.29407 3.98 ug/L L Pb 208 1622687.680 2.971 0.876 48.53713 5.76 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 99.954 1> Sc-1 45 93.397 Cr 52 95.382 Cr 53 93.495 Mn 55 92.582 Ni 60 92.694 Cu 63 93.162 L Cu 65 94.327

Sample ID: AE05965 Report Date/Time: Thursday, April 04, 2002 12:56:39 Page 1

NYC-WTC_000078171

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