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← Document results/DEP Box 63/18 April 3, 2002 NEWQ AE05063 - AE05850
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Water metal analysis results, April 3, 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 3, 2002.

NYC-WTC_000077991–000078100

Folder label: “18 April 3, 2002 NEWQ AE05063 - AE05850”

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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: Wednesday, April 03, 2002 16:36:55 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYG.mth Dataset File: d:\elandata\Dataset\new york city\LFB 50 PPB.442 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 23512.618 2.853 0.044 48.22504 5.30 ug/L i> Sc-1 45 537038.235 2.394 537038.235 ug/L I Cr 52 477233.812 1.803 0.873 47.24739 4.32 ug/L 1 Cr 53 58525.375 0.844 0.108 48.72028 1.82 ug/L 1 Mn 55 732694.823 0.952 1.363 45.77525 1.81 ug/L I Ni 60 123556.846 4.213 0.230 46.86885 6.58 ug/L Cu 63 277146.418 3.083 0.516 48.77268 1.23 ug/L L Cu 65 131663.219 2.305 0.245 46.18588 4.54 ug/L r Zn 66 94079.930 0.916 0.961 50.35510 1.91 ug/L I Zn 67 15147.428 0.890 0.154 45.95349 2.09 ug/L 1 Zn 68 70264.919 1.734 0.718 48.53219 3.32 ug/L l> Ge 72 97284.177 1.834 97284.177 ug/L I As 75 103278.486 1.594 1.061 50.13336 3.20 ug/L 1 Se 77 8704.921 2.429 0.088 50.51257 0.63 ug/L L Se 82 12374.206 0.629 0.126 50.80297 1.33 ug/L r Ag 107 579404.519 0.828 0.435 51.24351 2.82 ug/L I Cd 111 136508.104 0.495 0.102 48.13314 1.61 ug/L I Cd 114 347467.943 1.828 0.261 51.23366 1.16 ug/L |> In 115 1330317.187 2.034 1330317.187 ug/L I Sb 121 444755.419 2.260 0.334 49.64050 0.75 ug/L L Sb 123 341160.962 1.844 0.256 48.07819 3.15 ug/L r Ba 135 135594.585 1.595 0.075 49.41427 1.88 ug/L I Ba 137 245711.155 0.702 0.136 50.67318 3.39 ug/L |> Tb 159 1801389.043 2.725 1801389.043 ug/L I Ho 165 1829443.336 0.391 0.121 ug/L 1 Tl 205 1307978.451 2.465 0.726 51.89530 0.26 ug/L L Pb 208 1689409.606 1.655 0.937 49.58819 1.15 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 97.424 I Cr 52 I Cr 53 I Mn 55

Sample ID: LFB 50PPB Report Date/TIme: Wednesday, April 03, 2002 16:53:52 Page 1

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