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← Document results/DEP Box 63/13 March 28, 2002 NEWN AE05235 - AE05700
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Water metal analysis results, March 28, 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 March 28, 2002.

NYC-WTC_000077705–000077757

Folder label: “13 March 28, 2002 NEWN AE05235 - AE05700

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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 STD2 60 PPB Sample Date/TIme: Thursday, March 28, 2002 10:45:08 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cityMCV STD2 60 PPB.241 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 33533.067 0.329 0.049 60.38484 2.92 ug/L i> Sc-1 45 690031.480 3.181 690031.480 ug/L Cr 52 740070.963 0.584 1.056 56.40693 3.37 ug/L I Cr 53 89582.454 0.771 0.129 55.86043 3.68 ug/L 1 Mn 55 1170721.390 1.593 1.696 56.56049 2.07 ug/L I Ni 60 199823.399 1.904 0.290 58.45023 4.99 ug/L I Cu 63 449960.025 1.719 0.652 59.19816 2.46 ug/L L Cu 65 211098.869 1.369 0.306 54.48036 4.36 ug/L r Zn 66 140451.536 1.509 1.086 56.75285 1.59 ug/L 1 Zn 67 24614.524 0.506 0.191 58.45677 2.68 ug/L I Zn 68 108709.384 2.118 0.842 60.67962 5.09 ug/L |> Ge 72 126502.197 3.051 126502.197 ug/L 1 As 75 150193.173 0.827 1.188 57.51443 3.59 ug/L I Se 77 13415.698 2.879 0.105 57.97974 0.54 ug/L L Se 82 18282.548 0.475 0.144 59.68136 2.83 ug/L r Ag 107 869176.437 1.008 0.493 58.08418 1.81 ug/L I Cd 111 213729.305 0.923 0.121 59.63280 0.72 ug/L 1 Cd 114 521344.729 0.678 0.296 60.75002 0.47 ug/L |> In 115 1761545.210 0.814 1761545.210 ug/L I Sb 121 661074.075 1.051 0.375 58.90461 0.29 ug/L L Sb 123 504225.878 0.163 0.286 58.39733 0.75 ug/L r Ba 135 208081.973 0.927 0.098 57.86869 0.58 ug/L I Ba 137 366060.318 1.593 0.172 56.30708 2.68 ug/L I: Tb 159 2119872.304 1.475 2119872.304 ug/L Ho 165 1873277.443 0.765 0.018 ug/L Tl 205 1871194.303 0.430 0.882 60.89819 1.05 ug/L L Pb 208 2718717.399 1.401 1.281 58.67974 0.10 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 95.930 1 Cr 52 I Cr 53 I Mn 55

Sample ID: ICV STD2 60PPB Report Date/TIme: Thursday, March 28, 2002 10:47:42 Page 1

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