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← Document results/DEP Box 63/12 March 25, 2002 NEWN AE04805 - AE05233
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Water metal analysis results, March 25, 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 March 25, 2002.

NYC-WTC_000077674–000077703

Folder label: “12 March 25, 2002 NEWN AE04805 - AE05233

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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: Monday, March 25, 2002 16:24:25 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\CCV STD2 60 PPB.235 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 30851.911 1.403 0.055 62.29011 3.39 ug/L I> Sc-1 45 557529.300 2.839 557529.300 ug/L Cr 52 598393.933 3.686 1.059 58.17135 6.58 ug/L 1 Cr 53 70137.303 2.191 0.125 53.45222 0.65 ug/L I Mn 55 1025595.958 2.432 1.840 61.81641 5.24 ug/L Ni 60 155819.700 1.150 0.279 56.67135 3.09 ug/L I Cu 63 378829.975 1.322 0.679 59.33708 3.20 ug/L L Cu 65 169828.347 4.467 0.305 55.23801 7.31 ug/L r Zn 66 113486.382 2.521 1.064 53.59045 3.73 ug/L Zn 67 20471.246 3.484 0.192 60.19949 2.74 ug/L Zn 68 81321.950 1.133 0.762 55.44142 1.95 ug/L |> Ge 72 105995.799 1.242 105995.799 ug/L As 75 118941.073 1.013 1.123 54.50266 2.10 ug/L I Se 77 10820.216 3.574 0.101 53.29388 4.88 ug/L L Se 82 14660.963 2.157 0.137 55.70918 3.38 ug/L r Ag 107 687936.378 0.899 0.458 53.47871 3.50 ug/L I Cd 111 179985.185 3.741 0.119 58.31705 1.37 ug/L I Cd 114 425772.392 1.026 0.284 56.11670 4.16 ug/L i> In 115 1501316.845 3.630 1501316.845 ug/L Sb 121 571209.979 1.214 0.381 58.80038 2.55 ug/L L Sb 123 424002.921 2.592 0.282 57.63228 1.78 ug/L r Ba 135 177376.987 3.236 0.086 57.36095 2.29 ug/L 1 Ba 137 295509.976 1.415 0.143 52.81252 1.10 ug/L |> Tb 159 2071440.422 1.275 2071440.422 ug/L I Ho 165 1891066.791 6.137 0.010 ug/L I Tl 205 1784928.328 1.895 0.862 57.44190 2.98 ug/L L Pb 208 2419668.523 1.557 1.165 57.87696 0.50 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Se-I 45 96.381 I I Cr 52 I Cr 53 I Mn 55

Sample ID: CCV STD2 60 PPB Report Date/Time: Monday, March 25, 2002 16:27:04 Page 1

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