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Water metal analysis results, April 8, 2002

Machine-extracted title · confidence 95%

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: Blank Sample Date/Time: Monday, April 08, 2002 13:28:12 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\Blank.298 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 8.000 54.486 ug/L i> Se-i 45 526434.121 1.310 ug/L I Cr 52 7707.009 0.809 ug/L I Cr 53 455.349 3.869 ug/L I Mn 55 1098.077 4.118 ug/L. I Ni 60 44.667 20.314 ug/L Cu 63 242.672 7.010 ug/L L Cu 65 137.336 2.943 ug/L r Zn 66 409.347 9.149 ug/L I Zn 67 98.002 4.676 ug/L Zn 68 324.342 9.107 ug/L l> Ge 72 101163.479 1.145 ug/L I As 75 254.409 25.279 ug/L I Se 77 112.668 4.888 ug/L L Se 82 193.671 6.579 ug/L r Ag 107 555.690 17.652 ug/L i> in 115 1430051.588 0.816 ug/L I Sb 121 177.670 12.129 ug/L L Sb 123 137.058 12.011 ug/L r Ba 135 60.334 11.990 ug/L I Ba 137 103.668 3.899 ug/L I Ho 165 1986438.999 0.087 ug/L 1> Tb 159 1981182.388 0.596 mg/L I Tl 205 666.031 7.556 ug/L L Pb 208 1775.752 2.917 ug/L

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

Sample ID: Blank Report Date/Time: Monday, April 08, 2002 13:29:46 Page 1

NYC-WTC_000078316

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NYC-WTC_000078316Source: NYC Law Department, mirrored locally

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