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Method 200.8 Water Analysis Summary Report, Feb 8, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on February 8, 2002.

NYC-WTC_000076577–000076630

Folder label: “NEWQ Feb 8, 2002 AE02145 - AE02788

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE02645 Sample Date/Time: Friday, February 08, 2002 09:38:46 Sample Type: Spike -1 Sample Description: MSD Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE.mth Dataset File: d:\elandata\Dataset\daily performance\AE02645.388 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 32848.908 1.208 0.044 52.08711. 0.59 ug/L |> Sc-1 45 744862.709 0.619 744862.709 ug/L Cr 52 675447.242 0.629 0.892 50.44133 0.21 ug/L Cr 53 78224.574 0.953 0.104 49.27530 0.40 ug/L Mn 55 1451447.565 0.644 1.946 66.68632 0.31 ug/L I Ni 60 161473.704 0.213 0.215 48.39893 0.61 ug/L I Cu 63 379818.145 0.876 0.509 49.68944 1.41 ug/L L Cu 65 187256.439 0.210 0.251 50.08787 0.82 ug/L r Zn 66 130037.800 1.094 0.968 52.96782 1.46 ug/L Zn 67 22862.612 1.496 0.171 53.34427 1.76 ug/L I Zn 68 95360.161 0.529 0.710 53.77742 0.28 ug/L I: Ge 72 129187.057 0.316 129187.057 ug/L I As 75 141315.261 0.485 1.019 54.26238 0.46 ug/L L Se 77 12080.142 0.646 0.093 57.49949 > 0.71 ug/L r Ag 107 625259.855 0.273 0.402 49.08994 0.45 ug/L I Cd 111 161218.224 0.098 0.104 52.56864 0.51 ug/L I Cd 114 380703.075 0.618 0.245 51.53039 0.06 ug/L I;> In 115 1553404.609 0.600 1553404.609 ug/L I Sb 121 516829.164 0.151 0.333 52.23208 0.60 ug/L L Sb 123 398901.273 0.662 0.257 51.83075 0.29 ug/L r Ba 135 190927.657 0.050 0.076 61.25841 0.77 ug/L I Ba 137 333528.067 0.466 0.133 61.03836 0.89 ug/L 1> Ho 165 2506219.110 0.720 2506219.110 ug/L 1 Tl 205 1750254.252 0.459 0.698 42.42025 0.95 ug/L L Pb 208 2371383.277 0.604 0.945 44.73065 1.13 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 104.159 |> Sc-1 45 93.833 I Cr 52 100.389 I Cr 53 97.902 I Mn 55 94.396 Ni 60 97.026

Sample ID: AE02645 Report Date/Time: Friday, February 08, 2002 09:40:24 Page 1

NYC-WTC_000076601

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