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← Document results/DEP Box 63/20 April 4, 2002 NEWQ AE05965 - AE06336
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Water metal analysis results, April 4, 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 4, 2002.

NYC-WTC_000078151–000078232

Folder label: “20 April 4, 2002 NEWQ AE05965 - AE06336

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CeV STD1 30 PPB Sample Date/Time: Thursday, April 04, 2002 13:55:46 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\CCV STD1 30 PPB.223 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 13373.304 3.497 0.028 30.62079 1.67 ug/L I > Sc-1 45 482327.549 2.151 482327.549 ug/L I Cr 52 288364.179 4.522 0.583 30.56122 4.04 ug/L 1 Cr 53 34270.222 4.145 0.070 30.22387 2.18 ug/L I Mn 55 465582.406 3.809 0.963 30.25233 3.48 ug/L 1 Ni 60 71685.745 3.034 0.149 29.83883 1.90 ug/L Cu 63 164674.678 3.651 0.341 29.69860 4.53 ug/L L Cu 65 79889.189 3.203 0.166 29.15804 5.42 ug/L r Zn 66 51082.297 0.818 0.532 29.22238 2.89 ug/L 1 Zn 67 9052.263 2.242 0.094 29.64186 1.12 ug/L I Zn 68 37830.631 2.651 0.394 30.13477 2.46 ug/L |> Ge 72 95164.251 2.053 95164.251 ug/L I As 75 58967.450 1.980 0.617 29.50165 0.08 ug/L I Se 77 5098.482 4.205 0.052 30.28430 2.52 ug/L L Se 82 6927.377 3.958 0.071 29.16586 5.07 ug/L r Ag 107 327035.053 4.263 0.241 29.86738 2.33 ug/L i> In 115 1350524.339 2.361 1350524.339 ug/L Sb 121 268107.647 3.228 0.198 29.78378 3.73 ug/L L Sb 123 203857.003 3.348 0.151 29.77211 5.65 ug/L r Ba 135 83730.392 3.970 0.044 30.63128 1.43 ug/L 1 Ba 137 147366.517 3.977 0.078 30.32407 1.43 ug/L i> Ho 165 1881622.073 2.575 1881622.073 ug/L I Tl 205 769256.170 3.984 0.409 30.26134 5.10 ug/L L Pb 208 1023822.843 2.156 0.544 30.12130 4.34 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 93.609 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63 L Cu 65

Sample ID: cev STD1 30PPB Report Date/Time: Thursday. April 04, 2002 14:01:53 Page 1

NYC-WTC_000078197

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