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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: AE04946 Sample Date/Time: Wednesday, April 03, 2002 12:42:36 Sample Type: Spike -1 Sample Description: MSD Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE04946.390 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 UnK r Be 9 23738.190 0.433 0.043 49.71568 2.02 ug/L |> Sc-1 45 553708.971 1.966 553708.971 ug/L I Cr 52 491643.698 2.859 0.873 44.23690 1.23 ug/L I Cr 53 61137.244 2.434 0.109 48.84431 4.42 ug/L I Mn 55 1291678.455 2.924 2.331 77.76255 0.99 ug/L I Ni 60 119001.100 1.492 0.215 45.86749 3.16 ug/L I Cu 63 319872.238 1.849 0.577 53.51122 0.68 ug/L L Cu 65 149749.546 3.089 0.270 49.53309 1.79 ug/L r Zn 66 105630.534 0.621 0.989 52.27685 3.49 ug/L I Zn 67 17857.381 3.499 0.167 49.07927 0.93 ug/L I Zn 68 73175.742 0.987 0.684 49.26257 2.57 ug/L i> Ge 72 106319.169 2.942 106319.169 ug/L I As 75 109204.826 1.443 1.027 49.27226 4.46 ug/L I Se 77 10745.791 2.872 0.100 57.23018 5.04 ug/L L Se 82 13578.284 4.742 0.126 54.10199 7.90 ug/L r Ag Cd 107 111 549098.343 1.211 3.632 0.378 0.102 45.52076 3.37 ug/L I 148750.413 49.80209 2.05 ug/L I Cd 114 355996.293 1.676 0.246 52.47787 4.29 ug/L l> In 115 1448244.528 3.043 1448244.528 ug/L I Sb 121 526076.339 1.338 0.363 56.51137 2.34 ug/L L Sb 123 386740.312 1.267 0.267 52.84906 1.89 ug/L r Ba 135 186354.570 4.404 0.091 57.94886 3.57 ug/L I Ba 137 328888.640 0.766 0.161 60.20404 1.65 ug/L |> Tb 159 2037165.839 0.945 2037165.839 ug/L 1 Ho 165 1937395.784 0.880 -0.016 ug/L I Tl 205 1323509.337 0.753 0.649 48.89747 1.33 ug/L L Pb 208 1781853.773 1.397 0.874 47.15119 0.79 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 99.445 |> Sc-1 45 97.235 I Cr 52 87.477 I Cr 53 96.441 I Mn 55 100.861

Sample ID: AE04946 Report Date/Time: Wednesday, April 03,2002 12:45:07 Page 1

NYC-WTC_000077964

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