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Method 200.8 Water Analysis Summary Report, Feb 1, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on February 1, 2002.

NYC-WTC_000076306–000076437

Folder label: “NEWQ Feb 1st, 2002 AE01966 - AE02567”

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: CCV STD1 30 PPB Sample Date/Time: Friday, February 01, 2002 12:19:29 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\daily performance\CCV STD1 30 PPB.140 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 18482.955 0.775 0.025 30.63950 2.11 ug/L i> Se-I 45 727214.770 1.483 727214.770 ug/L I Cr 52 389183.977 1.027 0.522 29.42901 0.50 ug/L Cr 53 45173.775 2.073 0.061 29.53529 3.52 ug/L Mn 55 617646.185 2.137 0.848 30.06439 2.18 ug/L I Ni 60 96368.144 1.759 0.130 28.17522 2.84 ug/L I Cu 63 226960.195 2.072 0.310 29.69789 1.19 ug/L L Cu 65 110674.791 1.321 0.151 29.39411 2.48 ug/L r Zn 66 73476.899 2.170 0.547 30.18971 4.32 ug/L 1 Zn 67 13000.088 2.000 0.097 30.31232 0.42 ug/L I Zn 68 52797.139 2.724 0.393 29.49329 4.56 ug/L |> Ge 72 127710.650 2.086 127710.650 ug/L I As 75 79312.958 1.930 0.569 30.32831 4.40 ug/L L Se 77 6504.058 1.841 0.050 30.44251 2.11 ug/L r Ag 107 488098.056 2.493 0.312 30.18422 4.88 ug/L 1> in 115 1559593.980 2.439 1559593.980 ug/L I Sb 121 293329.201 0.678 0.188 30.30527 2.24 ug/L L Sb 123 225413.864 1.296 0.144 30.34752 1.13 ug/L r Ba 135 90318.034 3.523 0.038 29.02031 4.46 ug/L I Ba 137 159123.055 2.615 0.067 29.57964 1.38 ug/L i> Ho 165 2375651.352 2.190 2375651.352 ug/L I Tl 205 1087655.275 1.728 0.458 29.35215 3.86 ug/L L Pb 208 1500228.388 3.237 0.630 30.26781 4.62 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 94.200 I Cr 52 I Cr 53 I Mn 55 Ni 60 I Cu 63 L Cu 65 r Zn 66 Zn 67

Sample ID: CCV STD1 30 PPB Report Date/Time: Friday, February 01, 2002 12:21:01 Page 1

NYC-WTC_000076380

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