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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: CCV STD2 60 PPB Sample Date/Time: Thursday, April 04, 2002 13:59:38 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 STD2 60 PPB.224 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 26544.990 3.218 0.056 61.35088 3.86 ug/L i> Se-I 45 478437.299 4.165 478437.299 ug/L I Cr 52 536399.523 0.545 1.108 58.07876 4.79 ug/L I Cr 53 64876.227 4.012 0.135 58.17596 5.11 ug/L I Mn 55 864465.981 3.937 1.809 56.79938 7.83 ug/L I Ni 60 136590.337 2.740 0.286 57.37723 3.53 ug/L I Cu 63 319845.648 4.062 0.669 58.22808 5.38 ug/L L Cu 65 158391.441 6.058 0.332 58.44208 10.35 ug/L r Zn 66 105546.420 2.257 1.147 63.02604 1.50 ug/L I Zn 67 17906.828 5.090 0.194 61.34780 4.95 ug/L 1 Zn 68 74602.414 4.904 0.810 62.01897 3.22 ug/L |> Ge 72 91605.587 1.804 91605.567 ug/L I As 75 115569.450 2.432 1.260 60.18720 3.13 ug/L I Se 77 9610.175 2.526 0.104 60.06039 3.22 ug/L L Se 82 13499.835 5.130 0.146 59.69283 4.97 ug/L r Ag 107 639630.369 4.115 0.474 58.65222 1.61 ug/L |> In 115 1346893.470 3.028 1346893.470 ug/L I Sb 121 538885.951 2.463 0.400 60.05711 3.24 ug/L L Sb 123 416035.428 3.019 0.309 60.96559 5.95 ug/L r Ba 135 160023.183 2.282 0.089 61.66846 2.94 ug/L 1 Ba 137 278617.815 1.894 0.156 60.38729 2.34 ug/L |> Ho 165 1788085.069 2.893 1788085.069 ug/L 1 Tl 205 1484762.323 4.319 0.830 61.47049 4.43 ug/L L Pb 208 2029009.384 1.410 1.134 62.85768 2.73 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Sc-1 45 92.854 1 Cr 52 I Cr 53 1 Mn 55 I Ni 60 I Cu 63 L Cu 65

Sample ID: CCV STD2 60 PPB Report Date/Time: Thursday, April 04, 2002 14:01:55 Page 1

NYC-WTC_000078199

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