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← Document results/DEP Box 63/11 March 25, 2002 NEWQ AE04845 - AE04945
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Water metal analysis results, March 25, 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 25, 2002.

NYC-WTC_000077621–000077672

Folder label: “11 March 25, 2002 NEWQ AE04845 - AE04945

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: LRB Sample Date/Time: Monday. March 25, 2002 13:34:19 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\eIandata\Dataset\new york city\LRB.2O4 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 42.647 0.000 0.00831 139.00 ug/L i> Se-I 45 568650.009 1.840 568650.009 ug/L I Cr 52 8577.131 2.011 -0.001 -0.03513 55.46 ug/L I Cr 53 392.012 5.375 0.000 0.03178 64.68 ug/L Mn 55 558.356 2.445 -0.000 -0.00465 29.11 ug/L I Ni 60 120.335 18.700 0.000 0.00071 1245.27 ug/L I Cu 63 441.348 3.431 -0.000 -0.00415 30.72 ug/L L Cu 65 235.005 3.069 -0.000 -0.00611 57.99 ug/L r Zn 66 802.710 6.714 0.000 0.01030 175.59 ug/L I Zn 67 136.669 3.683 -0.000 -0.03828 54.32 ug/L I Zn 68 580.691 5.611 -0.000 -0.01374 129.32 ug/L i> Ge 72 112204.457 1.804 112204.457 ug/L I As 75 4.221 870.403 0.001 0.03156 50.79 ug/L I Se 77 170.670 12.908 0.000 0.15080 69.23 ug/L L Se 82 141.669 5.203 0.000 0.07676 27.93 ug/L r Ag 107 1099.078 5.747 -0.000 -0.01031 51.26 ug/L I Cd 111 1071.360 3.253 -0.000 -0.01531 59.71 ug/L I Cd 114 133.901 5.180 -0.000 -0.03867 2.03 ug/L In 115 1575149.623 1.003 1575149.623 ug/L I Sb 121 382.345 13.134 0.000 0.01134 40.12 ug/L L Sb 123 270.444 10.026 0.000 0.00793 40.42 ug/L r Ba 135 112.669 17.058 -0.000 -0.00128 426.38 ug/L 1 Ba 137 169.670 13.624 -0.000 -0.00418 83.38 ug/L i> Tb 159 2109528.145 2.071 2109528.145 ug/L I Ho 165 1746401.383 1.120 -0.076 ug/L I Tl 205 419.014 3.532 -0.000 -0.00167 / 37.48 ug/L L Pb 208 6706.039 3.052 -0.000 -0.01543 / 12.26 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 98.304 I Cr 52 I Cr 53 I Mn 55

Sample ID: LRB Report Date/Time: Monday. March 25. 2002 13:36:40 Page 1

NYC-WTC_000077637

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