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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_000076632–000076741

Folder label: “NEWQ Feb 11, 2002 AE02966 - AE03264

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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: Monday, February 11, 2002 09:51:22 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE.mth Dataset File: d:\elandata\Dataset\daily performanceMCV STD1 30 PPB.428 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 18083.482 0.717 0.025 30.13885 1.25 ug/L i> Se-I 45 735214.874 0.927 735214.874 ug/L I Cr 52 399710.591 1.182 0.531 30.04513 0.42 ug/L I Cr 53 46368.418 0.803 0.062 30.44703 0.37 ug/L 1 Mn 55 623707.871 0.614 0.848 30.43681 0.68 ug/L I Ni 60 99589.205 0.904 0.133 30.27663 1.07 ug/L I Cu 63 228589.471 1.290 0.309 30.42911 1.24 ug/L L Cu 65 112983.545 0.097 0.153 30.44440 0.98 ug/L r Zn 66 79289.736 0.402 0.627 32.03128 0.27 ug/L I Zn 67 13718.814 0.624 0.109 31.89390 0.77 ug/L I Zn 68 57178.493 0.590 0.452 31.89472 0.51 ug/L |> Ge 72 124184.681 0.133 124184.681 ug/L I As 75 71329.654 0.099 0.573 30.66145 0.09 ug/L L Se 77 6373.297 1.202 0.050 31.06004 1.16 ug/L r Ag 107 377302.691 1.553 0.250 29.84844 1.31 ug/L I Cd 111 94120.994 0.210 0.062 30.72564 1.01 ug/L I Cd 114 220491.981 1.050 0.146 30.52131 2.03 ug/L |> In 115 1506622.361 0.982 1506622.361 ug/L I Sb 121 280559.248 0.335 0.186 30.31497 0.67 ug/L L Sb 123 217056.294 0.232 0.144 30.42365 1.20 ug/L r Ba 135 87340.766 0.476 0.035 29.67511 0.71 ug/L 1 Ba 137 152315.276 0.660 0.062 29.63363 0.56 ug/L 1> Ho 165 2453303.951 0.997 2453303.951 ug/L I Tl 205 1181879.677 0.534 0.481 29.84475 1.01 ug/L L Pb 208 1472840.223 0.438 0.598 29.60261 / 0.90 ug/L

r Be Analyte Mass 9 QC Std % Recovery QC Calculated Values Int Std % Recovery Spike % Recovery J Dilution % Diff Dup. Rei. % Diff

|> Sc-1 45 94.691 I Cr 52 I Cr 53 I Mn 55 I Ni 60

Sample ID: ICV STD1 30 PPB Report Date/Time: Monday, February 11, 2002 09:53:06 Page 1

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