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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: LRB Sample Date/Time: Thursday, March 28, 2002 11:07:47 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\LRB.244 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 11.000 18.182 -0.000 -0.00194 201.27 ug/L l> Sc-1 45 667060.749 2.145 667060.749 ug/L I Cr 52 11385.245 3.673 -0.001 -0.02675 174.01 ug/L I Cr 53 665.698 0.867 -0.000 -0.12714 9.91 ug/L I Mn 55 740.371 3.288 0.000 0.00293 61.09 ug/L I Ni 60 139.336 2.521 -0.000 -0.00720 27.40 ug/L I Cu 63 497.352 4.992 0.000 0.00322 148.27 ug/L L Cu 65 230.339 4.782 -0.000 -0.00421 48.66 ug/L r Zn 66 3027.201 2.558 0.000 0.00433 717.89 ug/L I Zn 67 499.019 2.806 -0.000 -0.02413 146.35 ug/L I Zn 68 2102.598 1.882 -0.001 -0.09341 26.01 ug/L i> Ge 72 124754.747 0.172 124754.747 ug/L 1 As 75 -110.852 100.759 -0.001 -0.03167 137.08 ug/L I Se 77 176.337 10.087 -0.000 -0.03436 233.11 ug/L L Se 82 123.335 3.277 -0.000 -0.03534 36.15 ug/L r Ag 107 1471.467 3.122 0.001 0.07079 6.24 ug/L 1 Cd 111 1413.876 3.553 0.000 0.01559 117.74 ug/L Cd 114 238.970 10.019 0.000 0.00500 52.95 ug/L l> in 115 1752640.918 1.378 1752640.918 ug/L I Sb 121 127.669 3.702 -0.000 -0.00048 106.70 ug/L L Sb 123 104.560 8.592 0.000 0.00051 173.25 ug/L r Ba 135 305.008 6.125 0.000 0.00232 179.30 ug/L 1 Ba 137 520.353 3.314 -0.000 -0.00007 4835.98 ug/L i> Tb 159 2146333.379 1.235 2146333.379 ug/L I Ho 165 1790929.437 1.562 -0.032 ug/L I Ti 205 812.711 8.935 0.000 0.00551 ' 31.21 ug/L L Pb 208 3616.981 2.882 0.000 0.00295 46.69 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 92.737 I Cr 52 I Cr 53 1 Mn 55

Sample ID: LRB Report Date/Time: Thursday, March 28, 2002 11:10:59 Page 1

NYC-WTC_000077722

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