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Method 200.8 Water Analysis Summary Report, Feb 11, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on February 11, 2002.

NYC-WTC_000076743–000076790

Folder label: “NEWE February 11, 2002 AE02719 - AE03246”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CeV STD2 60 PPB Sample Date/TIme: Monday, February 11, 2002 15:59:38 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE,mth Dataset File: d:\elandata\Dataset\daily performance\CCV STD2 60 PPB,502 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 36775.602 0.476 0.054 60.51578 0.54 ug/L |> Sc-1 45 680620.134 0.343 680620.134 ug/L Cr 52 724677.026 0.945 1.053 59.61129 1.30 ug/L 1 Cr 53 84189.556 0.747 0.123 59.84462 1.08 ug/L I Mn 55 1137760.600 0.421 1.670 59.19549 0.42 ug/L Ni 60 175408.829 0.255 0.256 58.76874 0.10 ug/L I Cu 63 402420.036 0.943 0.589 59.35310 1.03 ug/L L Cu 65 197452.624 0.655 0.289 58.85614 0.87 ug/L r Zn 66 132234.196 1.286 1.150 58.80202 1.84 ug/L I Zn 67 23009.646 0.431 0.200 59.09161 1.13 ug/L I Zn 68 95316.030 0.365 0.829 58.88769 1.22 ug/L |> Ge 72 114092.653 0.944 114092.653 ug/L As 75 128574.133 0.402 1.121 59.88934 0.66 ug/L L Se 77 11375.226 0.475 0.099 59.73727 0.83 ug/L r Ag Cd 107 684394.108 0.448 0.486 59.87118 0.22 ug/L I 111 172525.524 1.086 0.122 59.88896 0.54 ug/L I Cd 114 406351.305 0.601 0.288 59.84799 0.66 ug/L I> In 115 1408326.765 0.610 1408326.765 ug/L I Sb 121 520229.889 0.275 0.369 60.47259 0.69 ug/L L Sb 123 402937.006 0.689 0.286 60.54937 1.04 ug/L r Ba 135 160216.137 0.898 0.061 57.55139 0.72 ug/L I Ba 137 281474.587 0.390 0.107 57.66115 0.20 ug/L |> Ho 165 2630150.657 0.192 2630150.657 ug/L I Tl 205 2326127.367 12.244 0.884 56.31920 2.11 ug/L L Pb 208 2765378.283 0.489 1.049 57.18753 0.44 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 96.125 I Cr 52 I Cr 53 1 Mn 55 I Ni 60

Sample ID: CeV STD2 60PPB Report Date/Time: Monday, February 11,2002 16:01:22 Page 1

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