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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: AE06265 Sample Date/Time: Thursday, April 04,2002 14:18:19 Sample Type: Spike -1 Sample Description: MSD Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06265.227 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 22185.604 2.510 0.047 52.09877 2.25 ug/L i> Sc-1 45 470819.862 4.672 470819.862 ug/L 1 Cr 52 429384.474 4.145 0.899 47.15670 8.65 ug/L I Cr 53 51539.594 2.525 0.109 46.91108 5.97 ug/L 1 Mn 55 929172.025 5.055 1.977 62.09867 9.56 ug/L 1 Ni 60 107702.020 4.154 0.229 46.01605 6.83 ug/L I Cu 63 256161.468 4.192 0.545 47.42715 7.37 ug/L L Cu 65 126216.399 3.425 0.269 47.29752 7.98 ug/L r Zn 66 89769.014 1.680 0.970 53.30317 1.60 ug/L I Zn 67 15028.595 6.349 0.162 51.18988 7.23 ug/L Zn 68 64314.465 5.535 0.695 53.17002 4.62 ug/L I: Ge 72 92056.764 1.822 92056.764 ug/L I As 75 97804.554 3.633 1.060 50.65544 2.96 ug/L I Se 77 8424.988 2.811 0.090 52.28724 2.37 ug/L L Se 82 11969.032 8.558 0.128 52.57305 7.99 ug/L r Ag 107 502479.574 3.080 0.375 46.39537 1.33 ug/L l> In 115 1337361.918 2.668 1337361.918 ug/L I Sb 121 453930.890 2.361 0.340 50.95727 4.29 ug/L L Sb 123 352112.047 2.742 0.263 51.94932 5.35 ug/L r Ba 135 162309.780 2.009 0.093 63.95216 1.69 ug/L I Ba 137 283060.740 1.940 0.162 62.72456 0.64 ug/L |> Ho 165 1748262.407 1.504 1748262.407 ug/L I Tl 205 1181871.648 5.132 0.676 50.01506 4.23 ug/L L Pb 208 1606792.754 1.611 0.918 50.88249 1.65 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 104.197 |> Sc-1 45 91.376 I Cr 52 93.995 I Cr 53 92.883 I Mn 55 91.999 I Ni 60 91.410 Cu 63 93.034 L Cu 65 92.874

Sample ID: AE06265 Report Date/Time: Thursday, April 04, 2002 14:20:27 Page 1

NYC-WTC_000078205

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NYC-WTC_000078205Source: NYC Law Department, mirrored locally

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