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← Document results/DEP Box 63/21 April 5, 2002 NEWQ AE06337 - AE06756
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Water metal analysis results, April 5, 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 5, 2002.

NYC-WTC_000078234–000078314

Folder label: “21 April 5, 2002 NEWQ AE06337 - AE06756

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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: Friday, April 05,2002 13:08:40 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\LFB 50 PPB.249 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 23664.671 1.860 0.047 49.95054 1.77 ug/L |> Sc-1 45 498901.500 1.868 498901.500 ug/L 1 Cr 52 468342.456 0.860 0.924 50.57368 2.21 ug/L I Cr 53 55310.636 0.417 0.109 49.98594 2.11 ug/L Mn 55 732545.717 1.340 1.467 50.33731 1.31 ug/L I Ni 60 113577.548 2.674 0.227 50.56947 3.03 ug/L I Cu 63 256200.950 1.391 0.513 49.56191 2.81 ug/L L Cu 65 126206.447 1.817 0.253 49.87804 2.44 ug/L r Zn 66 87915.281 0.795 0.922 50.78511 0.98 ug/L I Zn 67 15473.313 1.375 0.162 51.27978 0.89 ug/L I Zn 68 65245.618 0.517 0.684 50.70182 0.45 ug/L i> Ge 72 94737.034 0.784 94737.034 ug/L I As 75 96862.437 1.147 1.020 49.85311 1.38 ug/L I Se 77 8627.513 2.390 0.090 50.92045 2.81 ug/L L Se 82 11236.386 1.423 0.117 49.68333 2.20 ug/L Y 89 1246339.016 0.991 -7639.701 ug/L r Ag 107 516438.868 1.361 0.400 49.91857 1.44 ug/L i> In 115 1289526.965 0.716 1289526.965 ug/L Sb 121 448924.694 1.032 0.348 51.22086 0.92 ug/L L Sb 123 344787.355 0.246 0.267 50.81360 0.91 ug/L r Ba 135 132523.260 0.136 0.077 50.08716 0.57 ug/L I Ba 137 229870.606 0.565 0.133 50.21363 0.72 ug/L |> Ho 165 1723053.274 0.506 1723053.274 ug/L I Tl 205 1169892.697 0.906 0.679 50.10860 1.06 ug/L L Pb 208 1610806.252 0.471 0.934 50.65979 0.76 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 I> Sc-1 45 98.678 1 Cr 52 1 Cr 53 I Mn 55 I Ni 60 Cu 63

Sample ID: LFB 50PPB Report Date/Time: Friday, April 05, 2002 13:16:44 Page 1

NYC-WTC_000078248

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