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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 Report Sample ID: AE06757 Sample Date/Time: "Monday, April 08, 2002 14:52:21 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06757.322 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 13.333 45.826 0.000 0.01272 107.97 ug/L i> Sc-1 45 509365.253 1.484 509365.253 ug/L I Cr 52 8003.603 2.802 0.001 0.05714 24.91 ug/L I Cr 53 1058.739 4.068 0.001 0.54282 7.26 ug/L Mn 55 279031.244 0.158 0.546 18.25151 1.42 ug/L I Ni 60 833.380 1.322 0.002 0.33217 0.69 ug/L I Cu 63 31543.299 2.441 0.061 5.77476 1.56 ug/L L Cu 65 15293.007 1.514 0.030 5.76098 0.40 ug/L r Zn 66 6888.011 1.049 0.065 3.73478 2.91 ug/L Zn 67 1250.099 3.538 0.011 3.74019 2.01 ug/L I Zn 68 5619.460 1.838 0.053 4.11042 2.29 ug/L l> Ge 72 100510.018 1.778 100510.018 ug/L I As 75 1071.107 6.170 0.008 0.40208 6.39 ug/L 1 Se 77 170.670 10.322 0.001 0.34681 30.77 ug/L L Se 82 219.672 8.606 0.000 0.11803 55.53 ug/L r Ag 107 1088.409 5.484 0.000 0.05119 11.60 ug/L |> In 115 1353470.124 0.723 1353470.124 ug/L 1 Sb 121 867.050 11.348 0.001 0.07576 13.21 ug/L L Sb 123 653.668 5.630 0.000 0.07382 6.29 ug/L r Ba 135 43159.991 1.577 0.023 15.25273 0.92 ug/L Ba 137 75033.515 1.643 0.039 15.14777 1.38 ug/L I Ho 165 1810345.860 7.631 -0.056 ug/L i> Tb 159 1911008.109 1.179 1911008.109 ug/L Tl 205 703.701 6.828 0.000 0.00238 86.45 ug/L L Pb 208 8910.472 1.580 0.004 0.20632 3.41 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Sc-1 45 96.758 I Cr 52 I Cr 53 I Mn 55 I Ni 60 1 Cu 63

Sample ID: AE06757 Report Date/Time: Monday, April 08, 2002 14:53:55 Page 1

NYC-WTC_000078364

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NYC-WTC_000078364Source: NYC Law Department, mirrored locally

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