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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: Standard 1 Sample Date/Time: Thursday, April 04, 2002 12:05:37 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\Standard 1.201 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 12609.872 3.422 0.026 31.58443 4.70 ug/L 1> Sc-1 45 480667.116 2.476 480667.116 ug/L Cr 52 283355.520 1.748 0.575 30.35957 2.41 ug/L Cr 53 34321.083 4.212 0.070 31.14155 4.04 ug/L I Mn 55 468186.868 5.313 0.972 32.07731 4.16 ug/L I Ni 60 73266.931 6.456 0.153 32.54719 8.47 ug/L 1 Cu 63 169164.347 2.428 0.352 33.80382 2.62 ug/L L Cu 65 80213.957 4.808 0.167 32.89655 6.57 ug/L r Zn 66 51993.634 4.393 0.538 31.22824 5.10 ug/L I Zn 67 9209.089 2.534 0.095 30.82812 2.72 ug/L I Zn 68 37705.093 1.958 0.390 29.88781 2.58 ug/L i> Ge 72 95714.587 1.450 95714.587 ug/L I As 75 60055.346 2.286 0.625 30.18261 3.44 ug/L 1 Se 77 5277.255 6.369 0.054 30.82880 5.08 ug/L L Se 82 7308.344 2.296 0.075 32.39824 2.57 ug/L r Ag 107 336320.664 4.574 0.247 30.76717 2.89 ug/L i> in 115 1356442.310 4.226 1356442.310 ug/L I Sb 121 270021.824 0.358 0.199 28.61569 4.50 ug/L L Sb 123 208942.196 1.914 0.154 28.38662 6.18 ug/L r Ba 135 84140.128 3.827 0.045 27.69137 1.28 ug/L 1 Ba 137 149284.939 5.064 0.079 28.46393 4.73 ug/L |> Ho 165 1885139.699 2.573 1885139.699 ug/L 1 Tl 205 780300.060 0.663 0.414 29.74232 2.24 ug/L L Pb 208 1016763.669 2.062 0.539 28.68850 4.67 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 I Cr 52 1 Cr 53 1 Mn 55 Ni 60 Cu 63 L Cu 65

Sample ID: Standard 1 Report Date/Time: Thursday, April 04, 2002 12:07:08 Page 1

NYC-WTC_000078153

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