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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 09:43:06 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\AE02645.389 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 32230.698 1.586 0.044 51.72058 1.64 ug/L i> Sc-1 45 736044.664 0.088 736044.664 ug/L I Cr 52 671488.254 0.217 0.898 50.75144 0.25 ug/L I Cr 53 77534.005 0.354 0.105 49.42735 0.44 ug/L Mn 55 1446584.508 0.515 1.963 67.25956 0.43 ug/L 1 Ni 60 161799.445 0.535 0.218 49.08373 0.62 ug/L I Cu 63 377539.723 0.088 0.512 49.98105 0.14 ug/L L Cu 65 185995.603 0.213 0.252 50.34546 0.21 ug/L r Zn 66 129472.418 0.480 0.968 52.94607 0.92 ug/L 1 Zn 67 22623.343 1.073 0.170 52.98157 0.92 ug/L I Zn 68 94696.277 0.742 0.708 53.60926 0.67 ug/L i> Ge 72 128675.888 0.506 128675.888 ug/L I As 75 140002.100 0.704 1.013 53.95196 1.12 ug/L L Se 77 12233.351 2.427 0.094 58.47309 2.71 ug/L r Ag 107 624562.929 0.904 0.291 0.406 49.52952 52.98371 1.23 ug/L I Cd 111 160873.195 0.105 0.28 ug/L I Cd 114 378478.673 0.454 0.246 51.74517 0.18 ug/L |> In 115 1537919.912 0.323 1537919.912 ug/L I Sb 121 512511.010 0.210 0.333 52.31646 0.46 ug/L L Sb 123 397453.601 0.358 0.258 52.16280 0.35 ug/L r Ba 135 190816.050 0.519 0.076 60.82299 1.49 ug/L I Ba 137 331010.069 0.952 0.131 60.18292 1.88 ug/L |> Ho 165 2522807.701 0.972 2522807.701 ug/L I Tl 205 1744778.586 1.157 0.691 42.00736 0.44 ug/L .L Pb 208 2352831.748 0.249 0.931 44.08810 0.75 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 103.426 |> Sc-1 45 92.723 I Cr 52 101.009 I Cr 53 98.206 I Mn 55 95.542 Ni 60 98.396

Sample ID: AE02645 Report Date/TIme: Friday, February 08, 2002 09:44:44 Page 1

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