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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 Repoil Sample ID: ICV CALBK Sample Date/Time: Thursday, March 28, 2002 10:37:40 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cityMCV CAL BK.239 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 11.667 9.897 -0.000 -0.00182 127.22 ug/L i> Sc-1 45 703192.972 1.389 703192.972 ug/L Cr 52 12212.674 6.167 -0.000 -0.01113 529.86 ug/L I Cr 53 773.041 6.154 -0.000 -0.08338 31.98 ug/L 1 Mn 55 737.037 5.901 0.000 0.00084 209.58 ug/L I Ni 60 203.338 37.768 0.000 0.00896 245.03 ug/L 1 Cu 63 495.685 3.787 -0.000 -0.00052 617.78 ug/L L Cu 65 260.006 6.923 0.000 0.00019 2763.81 ug/L r Zn 66 3069.549 1.166 -0.001 -0.04096 84.00 ug/L I Zn 67 503.352 7.203 -0.000 -0.07353 139.91 ug/L I Zn 68 2187.952 1.695 -0.001 -0.10603 38.68 ug/L i> Ge 72 131232.251 1.789 131232.251 ug/L I As 75 -48.773 144.327 -0.000 -0.00636 408.03 ug/L Se 77 187.337 5.129 -0.000 -0.02675 129.39 ug/L L Se 82 132.669 17.227 -0.000 -0.02520 316.04 ug/L r Ag 107 1313.108 4.610 0.000 0.05415 8.26 ug/L 1 Cd 111 1401.688 2.045 -0.000 -0.01482 53.60 ug/L I Cd 114 231.406 20.095 0.000 0.00224 211.14 ug/L |> In 115 1880284.909 1.291 1880284.909 ug/L Sb 121 149.669 19.700 0.000 0.00055 413.48 ug/L L Sb 123 108.809 18.593 0.000 0.00014 1499.36 ug/L r Ba 135 311.675 9.702 0.000 0.00415 184.57 ug/L I Ba 137 529.354 8.069 0.000 0.00124 471.48 ug/L |> Tb 159 2146261.610 0.897 2146261.610 ug/L 1 Ho 165 1839935.918 1.080 -0.009 ug/L I Tl 205 742.371 6.613 0.000 0.00431 41.04 ug/L L Pb 208 3540.304 1.388 0.000 0.00133 / 108.95 ug/L

QC Calculated Values 1/ Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Sc-1 45 97.760 Cr 52 I Cr 53 I Mn 55

Sample ID: ICV CALBK Report Date/Time: Thursday, March 28, 2002 10:39:27 Page 1

NYC-WTC_000077712

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