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← Document results/DEP Box 63/13 March 28, 2002 NEWN AE05235 - AE05700
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Water metal analysis results, March 28, 2002

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Laboratory report from Westchester County Dept of Labs and Research detailing Method 200.8 metal concentrations in water samples dated March 28, 2002.

NYC-WTC_000077705–000077757

Folder label: “13 March 28, 2002 NEWN AE05235 - AE05700

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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: Thursday, March 28, 2002 10:40:59 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cityMCV STD1 30 PPB.240 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 16975.359 4.585 0.025 30.69884 3.29 ug/L 1> Sc-1 45 686285.681 1.905 686285.681 ug/L I Cr 52 392944.002 2.699 0.555 29.65584 2.40 ug/L 1 Cr 53 43325.125 2.201 0.062 26.85842 2.37 ug/L I Mn 55 612346.854 1.132 0.892 29.72878 3.03 ug/L I Ni 60 98828.806 2.393 0.144 29.01546 2.54 ug/L I Cu 63 228820.285 1.507 0.333 30.22912 2.02 ug/L L Cu 65 113287.061 1.510 0.165 29.34536 2.05 ug/L r Zn 66 68083.355 0.999 0.506 26.45712 2.44 ug/L I Zn 67 12916.966 0.762 0.097 29.62602 2.21 ug/L I Zn 68 53189.414 2.602 0.396 28.56448 3.18 ug/L i> Ge 72 128349.056 2.678 128349.056 ug/L I As 75 76108.360 1.540 0.594 28.72915 3.82 ug/L 1 Se 77 6807.284 2.601 0.052 28.58651 0.33 ug/L L Se 82 9165.045 2.826 0.070 29.26449 4.57 ug/L r Ag 107 438838.076 2.221 0.239 28.16191 2.45 ug/L Cd 111 113492.799 1.347 0.061 30.23874 1.62 ug/L I Cd 114 260021.478 1.237 0.142 29.10083 1.28 ug/L i> In 115 1833314.365 0.267 1833314.365 ug/L I Sb 121 335238.647 0.477 0.183 28.69625 0.58 ug/L L Sb 123 263322.697 2.659 0.144 29.29749 2.90 ug/L r Ba 135 116489.079 0.327 0.055 32.34254 1.49 ug/L 1 Ba 137 193488.084 0.925 0.091 29.70475 2.09 ug/L |> Tb 159 2121170.394 1.197 2121170.394 ug/L I Ho 165 1869101.575 0.702 0.015 ug/L I Tl 205 1030068.976 0.806 0.485 28.19332 1.79 ug/L L Pb 208 1399877.198 0.755 0.658 30.16432 1.94 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 95.410 I Cr 52 I Cr 53 I Mn 55

Sample ID: ICV STD1 30PPB Report Date/Time; Thursday, March 28, 2002 10:43:27 Page 1

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