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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: LFB 50 PPB Sample Date/Time: Monday, March 25, 2002 13:28:09 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\LFB 50 PPB.203 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 27260.096 2.251 0.048 54.38808 4.08 ug/L |> Sc-1 45 564130.606 1.895 564130.606 ug/L I Cr 52 527553.893 2.831 0.920 50.53620 4.42 ug/L Cr 53 62966.663 2.002 0.111 47.39045 0.68 ug/L 1 Mn 55 815016.080 1.014 1.444 48.51070 2.88 ug/L I Ni 60 146753.385 1.752 0.260 52.73559 3.11 ug/L I Cu 63 318194.593 1.908 0.563 49.21806 0.94 ug/L L Cu 65 156270.880 1.887 0.277 50.17612 3.39 ug/L r Zn 66 105222.545 3.120 0.975 49.11190 1.82 ug/L I Zn 67 17492.656 0.828 0.162 50.84759 2.18 ug/L I Zn 68 81059.256 0.352 0.751 54.67634 2.02 ug/L |> Ge 72 107140.954 2.369 107140.954 ug/L I As 75 114677.403 0.679 1.071 52.00484 3.01 ug/L I Se 77 9746.987 0.426 0.090 47.42006 2.11 ug/L L Se 82 14059.337 0.746 0.130 52.83489 2.44 ug/L r Ag 107 665554.548 1.218 0.436 50.97021 0.79 ug/L I Cd 111 158967.466 2.492 0.104 50.73896 2.08 ug/L I Cd 114 389592.477 1.499 0.256 50.57953 1.88 ug/L In 115 1522546.225 0.492 1522546.225 ug/L Sb 121 476848.270 2.306 0.313 48.37267 2.80 ug/L L Sb 123 377647.976 1.117 0.248 50.59585 0.96 ug/L r Ba 135 152356.607 0.436 0.077 51.66142 0.31 ug/L I Ba 137 272153.108 2.091 0.138 50.99569 2.26 ug/L i> Tb 159 1975638.092 0.318 1975638.092 ug/L 1 Ho 165 1816886.872 1.657 0.016 ug/L I T1 205 1535871.630 3.966 0.777 51.81476/ 4.28 ug/L L Pb 208 2020369.830 0.131 1.019 50.6489/ 0.19 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Sc-1 45 97.523 I Cr 52 I Cr 53 Mn 55

Sample ID: LFB 50PPB Report Date/Time: Monday, March 25, 2002 13:30:32 Page 1

NYC-WTC_000077635

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