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← Document results/DEP Box 63/19 April 4, 2002 NEWQ AE05851 - AE05918
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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_000078102–000078149

Folder label: “19 April 4, 2002 NEWQ AE05851 - AE05918

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: ICV STD1 30 PPB Sample Date/Time: Thursday, April 04, 2002 10:04:28 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\ICV STD1 30 PPB. 177 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 13051.829 2.116 0.025 30.46999 1.91 ug/L i> Sc-1 45 519507.260 3.099 519507.260 ug/L 1 Cr 52 308623.429 5.159 0.579 30.78899 2.73 ug/L I Cr 53 35664.934 4.371 0.067 30.08460 6.05 ug/L Mn 55 478539.700 1.741 0.919 30.89870 4.28 ug/L I Ni 60 72783.822 3.462 0.140 30.57835 6.12 ug/L Cu 63 166012.218 3.422 0.319 31.35852 5.24 ug/L L Cu 65 80813.174 2.051 0.155 31.02764 1.79 ug/L r Zn 66 52603.285 0.905 0.513 29.73333 4.12 ug/L 1 Zn 67 9454.344 2.908 0.092 29.74694 1.85 ug/L I Zn 68 39699.257 2.474 0.387 29.53989 4.49 ug/L |> Ge 72 101367.126 4.580 101367.126 ug/L As 75 62634.686 3.686 0.617 29.87131 3.40 ug/L I Se 77 5442.686 5.414 0.053 30.35263 6.31 ug/L L Se 82 7128.867 2.761 0.069 30.42338 6.63 ug/L r Ag 107 336453.301 3.220 0.243 30.55834 4.90 ug/L |> In 115 1377809.359 1.635 1377809.359 ug/L I Sb 121 281483.513 1.587 0.204 29.28020 1.67 ug/L L Sb 123 220190.793 1.672 0.160 29.38608 0.50 ug/L r Ba 135 90244.680 3.695 0.048 29.73132 4.34 ug/L Ba 137 159018.641 0.300 0.085 30.44290 8.12 ug/L i> Ho 165 1881517.472 7.520 1881517.472 ug/L I TI 205 798076.144 2.843 0.426 30.67411 10.51 ug/L L Pb 208 1065675.848 1.155 0.567 29.98824 7.35 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 97.355 I Cr 52 1 Cr 53 I Mn 55 1 Ni 60 I Cu 63 L Cu 65

Sample ID: ICV STD1 30 PPB Report Date/TIme: Thursday, April 04, 2002 10:09:45 Page 1

NYC-WTC_000078110

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