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Water metal analysis results, April 8, 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 8, 2002.

NYC-WTC_000078316–000078395

Folder label: “ICPMS 4/8/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Repoil Sample ID: AE06854 Sample Date/Time: Monday, April 08, 2002 15:24:45 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06854.333 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 12.667 16.434 0.000 0.01101 37.75 ug/L |> Sc-1 45 512296.563 1.995 512296.563 ug/L I Cr 52 8634.185 0.885 0.002 0.11823 11.82 ug/L I Cr 53 1424.459 4.415 0.002 0.85665 5.87 ug/L I Mn 55 262112.983 0.607 0.510 17.04564 2.58 ug/L Ni 60 824.046 0.993 0.002 0.32631 1.33 ug/L 1 Cu 63 47071.363 1.148 0.091 8.59223 2.58 ug/L L Cu 65 22819.167 1.201 0.044 8.57234 0.97 ug/L r 2n 66 2184.951 1.958 0.018 1.03467 1.56 ug/L Zn 67 565.690 3.347 0.005 1.53529 4.69 ug/L I Zn 68 2153.277 2.081 0.018 1.43439 2.34 ug/L |> Ge 72 99689.314 1.164 99689.314 ug/L 1 As 75 1130.505 5.150 0.009 0.43590 5.31 ug/L 1 Se 77 196.337 2.805 0.001 0.50779 8.76 ug/L L Se 82 252.339 6.981 0.001 0.26997 26.37 ug/L r Ag 107 197.337 11.244 -0.000 -0.03001 6.73 ug/L |> In 115 1362676.158 0.260 1362676.158 ug/L I Sb 121 528.687 1.818 0.000 0.03872 2.59 ug/L L Sb 123 419.742 1.706 0.000 0.04047 2.54 ug/L r Ba 135 41056.586 1.139 0.022 14.84463 1.26 ug/L Ba 137 71638.736 3.257 0.038 14.79172 1.36 ug/L I Ho 165 1858768.228 0.855 -0.007 ug/L 1> Tb 159 1868073.252 2.028 1868073.252 ug/L i T1 205 446.349 8.312 -0.000 -0.00718 20.89 ug/L L Pb 208 14612.404 2.212 0.007 0.37929 0.57 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Sc-1 45 97.314 I Cr 52 I Cr 53 I Mn 55 I Ni 60 I Cu 63

Sample ID: AE06854 Report Date/Time: Monday, April 08,2002 15:26:20 Page 1

NYC-WTC_000078386

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NYC-WTC_000078386Source: NYC Law Department, mirrored locally

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