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← Document results/DEP Box 63/14 April 1st, 2002 NEWN AE05701 - AE06047
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Water metal analysis results, April 1, 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 April 1, 2002.

NYC-WTC_000077759–000077812

Folder label: “14 April 1st, 2002 NEWN AE05701 - AE06047

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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, April 01, 2002 14:02:59 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.268 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 13563.583 2.316 0.033 50.69589 3.56 ug/L 1> Sc-1 45 415747.051 2.370 415747.051 ug/L 1 Cr 52 394238.691 1.316 0.927 48.63233 3.78 ug/L I Cr 53 47012.391 1.096 0.111 47.66845 1.49 ug/L I Mn 55 598964.382 1.447 1.440 47.53929 1.10 ug/L I Ni 60 107044.661 1.251 0.257 51.81340 1.85 ug/L I Cu 63 237737.608 0.901 0.571 49.24869 2.09 ug/L L Cu 65 114571.431 1.966 0.275 47.66706 3.42 ug/L r Zn 66 73852.864 1.128 0.854 48.37175 2.97 ug/L I Zn 67 13522.852 0.712 0.156 48.69705 2.27 ug/L I Zn 68 58250.645 1.757 0.675 52.42487 3.66 ug/L |> Ge 72 84027.475 1.889 84027.475 ug/L I As 75 88577.010 1.833 1.053 50.62658 3.24 ug/L 1 Se 77 7122.528 2.807 0.083 45.99944 4.74 ug/L L Se 82 10399.049 0.863 0.122 51.54746 1.92 ug/L r Ag 107 502859.818 1.458 0.392 49.78491 2.03 ug/L 1 Cd 111 131522.057 0.590 0.102 50.02606 1.26 ug/L I Cd 114 322736.984 0.235 0.252 52.46393 1.35 ug/L |> In 115 1280919.932 1.519 1280919.932 ug/L I Sb 121 437913.867 1.452 0.342 49.26180 1.88 ug/L L Sb 123 346150.250 1.616 0.270 51.03251 0.22 ug/L r Ba 135 143958.743 1.208 0.817 0.074 51.45663 2.72 ug/L I Ba 137 253661.556 0.130 51.46864 2.34 ug/L |> Tb 159 1943272.364 1.724 1943272.364 ug/L 1 Ho 165 1722576.193 2.138 -0.120 ug/L I Tl 205 1365122.268 0.949 0.702 53.02450 0.79 ug/L L Pb 208 1777293.238 0.678 0.913 50.68574 1.08 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 45 107.238 I Cr 52 I Cr 53 1 Mn 55

Sample ID: LFB 50PPB Report Date/Time: Monday, April 01, 2002 14:05:29 Page 1

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