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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: Standard 2 Sample Date/Time: Wednesday, April 03,2002 11:41:10 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\Standard 2.381 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 27973.266 2.272 0.052 60.64964 3.23 ug/L |> Sc-1 45 534902.925 1.236 534902.925 ug/L 1 Cr 52 643075.526 3.194 1.187 60.17309 3.19 ug/L I Cr 53 72322.661 1.858 0.134 59.93094 3.01 ug/L Mn 55 965182.294 0.990 1.803 60.14979 1.07 ug/L Ni 60 152383.797 3.016 0.285 60.80495 4.04 ug/L I Cu 63 346265.384 2.236 0.647 59.96266 1.37 ug/L L Cu 65 177940.849 2.111 0.332 60.94164 1.77 ug/L r ZnZn 66 117247.070 0.295 1.130 59.73754 2.17 ug/L I 67 21467.876 2.417 0.206 60.82768 0.29 ug/L Zn 68 87589.014 2.783 0.844 60.77284 4.95 ug/L |> Ge 72 103309.953 2.444 103309.953 ug/L As 75 130351.071 3.085 1.261 60.54302 5.45 ug/L Se 77 10774.823 1.424 0.103 59.06404 3.70 ug/L L Se 82 14669.647 3.155 0.141 60.19284 5.68 ug/L r Ag 107 742994.291 1.716 0.502 60.46853 4.65 ug/L I Cd 111 183176.021 1.280 0.123 60.24882 3.65 ug/L 1 Cd 114 409787.318 1.192 0.278 59.22998 4.11 ug/L |> In 115 1477108.547 3.068 1477108.547 ug/L I Sb 121 561892.021 2.036 0.380 59.16755 1.10 ug/L L Sb 123 448962.656 0.959 0.304 60.18163 3.92 ug/L r Ba 135 182053.126 1.229 0.095 60.51803 0.16 ug/L I Ba 137 308148.266 2.285 0.162 60.29853 3.52 ug/L |> Tb 159 1906064.947 1.242 1906064.947 ug/L I Ho 165 1917810.036 1.132 0.039 ug/L Tl 205 1501811.192 0.197 0.788 59.30853 1.08 ug/L L Pb 208 2118704.512 1.128 1.110 59.93877 0.43 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 I Cr 52 I Cr 53 I Mn 55

Sample ID: Standard 2 Report DateH'ime: Wednesday, April 03,2002 11:42:57 Page 1

NYC-WTC_000077947

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