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← Document results/DEP Box 63/17 April 3, 2002 NEWQ AE04946 - AE05062
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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_000077942–000077989

Folder label: “17 April 3, 2002 NEWQ AE04946 - AE05062

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: ICV STD2 60 PPB Sample Date/Time: Wednesday, April 03, 2002 12:02:49 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cityMCV STD2 60 PPB.384 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 28689.159 1.678 0.055 63.45615 1.61 ug/L i> Se-I 45 524219.973 0.298 524219.973 ug/L I Cr 52 662152.486 1.251 1.248 63.25801 1.56 ug/L I Cr 53 73228.251 2.352 0.138 61.92206 2.13 ug/L I Mn 55 1008889.096 2.324 1.923 64.15517 2.39 ug/L I Ni 60 154472.735 1.502 0.295 62.87874 1.65 ug/L I Cu 63 342468.973 1.713 0.653 60.51837 1.83 ug/L L Cu 65 185664.524 1.460 0.354 64.88384 1.28 ug/L r Zn 66 121384.434 2.050 1.165 61.60752 4.31 ug/L 1 Zn 67 22053.613 2.157 0.211 62.25999 3.85 ug/L 1 Zn 68 87126.629 2.989 0.836 60.18864 5.11 ug/L |> Ge 72 103755.969 2.301 103755.969 ug/L I As 75 133469.172 2.539 1.286 61.71571 4.71 ug/L I Se 77 11092.542 1.644 0.106 60.56163 3.76 ug/L L Se 82 14536.761 1.902 0.139 59.35587 3.61 ug/L r Ag 107 766287.494 1.466 0.517 62.23722 3.52 ug/L I Cd 111 191303.414 0.145 0.129 62.80823 2.19 ug/L I Cd 114 415538.391 2.608 0.281 59.95018 4.66 ug/L i> In 115 1479550.056 2.016 1479550.056 ug/L Sb 121 579171.443 0.423 0.391 60.89410 2.45 ug/L L Sb 123 462530.137 1.058 0.313 61.87428 3.03 ug/L r Ba 135 185114.567 1.708 0.095 59.98646 0.45 ug/L I Ba 137 316534.490 0.026 0.162 60.37318 1.51 ug/L |> Tb 159 1955250.876 1.505 1955250.876 ug/L I Ho 165 1835695.021 6.499 -0.028 ug/L 1 Tl 205 1526088.286 0.597 0.780 58.75394 1.52 ug/L L Pb 208 2220335.939 2.170 1.134 61.23019^ 0.73 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 92.057 I Cr 52 Cr 53 I Mn 55

Sample ID: ICV STD2 60 PPB Report Date/Time: Wednesday, April 03, 2002 12:05:21 Page 1

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