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Method 200.8 Water Analysis Summary Report, Mar 19, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on March 19, 2002.

NYC-WTC_000077357–000077431

Folder label: “8 March 19 NEWN AE03799 - AE04029

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NYC 9/11 Public Portal Document

WESTCHESTI5R COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: LRB Sample Date/Time: Tuesday, March 19, 2002 13:59:08 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\dataset\new york city\LRB .044 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 13.333 15.613 0.000 0.00627 50.58 ug/L i> Sc-1 45 592005.670 1.744 592005.670 ug/L I Cr 52 10355.756 15.217 0.002 0.12934 108.60 ug/L I Cr 53 746.044 54.453 0.000 0.16643 193.05 ug/L 1 Mn 55 639.362 2.236 0.000 0.00108 86.10 ug/L Ni 60 397.682 71.845 0.001 0.10518 94.42 ug/L I Cu 63 427.348 7.379 0.000 0.00010 5297.08 ug/L L Cu 65 206.338 8.071 -0.000 -0.00463 101.62 ug/L r Zn 66 1946.561 0.437 0.000 0.00902 137.58 ug/L I Zn 67 327.676 4.672 0.000 0.08804 43.61 ug/L I Zn 68 1440.129 4.387 0.000 0.00788 540.14 ug/L |> Ge 72 106353.924 0.958 106353.924 ug/L As 75 -55.639 95.232 0.000 0.01168 216.36 ug/L I Se 77 145.336 4.032 -0.000 -0.08576 44.49 ug/L L Se 82 110.668 18.962 -0.000 -0.04271 190.43 ug/L Y 89 1357125.017 1.712 -69166.321 ug/L r Ag 107 988.731 8.048 0.000 0.02945 26.11 ug/L I Cd 111 1034.491 0.917 -0.000 -0.02803 11.05 ug/L t Cd 114 184.246 5.870 -0.000 -0.01606 9.92 ug/L l> In 115 1513891.485 1.702 1513891.485 ug/L I Sb 121 431.348 6.003 0.000 0.02888 7.06 ug/L L Sb 123 323.107 7.548 0.000 0.02455 10.39 ug/L r Ba 135 423.681 2.884 0.000 0.00121 216.11 ug/L I Ba 137 712.035 2.882 -0.000 -0.00294 103.14 ug/L |> Tb 159 2205591.095 1.539 2205591.095 ug/L I Ho 165 2322043.885 0.978 0.038 ug/L I Tl 205 382.012 2.267 -0.000 -0.00173 7.09 ug/L L Pb 208 17351.286 0.513 -0.001 -0.03527 24.21 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 l> Sc-1 45 96.137 1 Cr 52

Sample ID: LRB Report Date/Time: Tuesday, March 19, 2002 14:00:58 Page 1

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