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← Document results/DEP Box 63/11 March 25, 2002 NEWQ AE04845 - AE04945
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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_000077621–000077672

Folder label: “11 March 25, 2002 NEWQ AE04845 - AE04945

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Blank Sample Date/Time: Monday, March 25, 2002 12:28:27 Sample Type: Sample Sample Description: analyzed Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth analyst initials Dataset File: d:\elandata\Dataset\new york city\Blank.196 ^Viewed Bv 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 9.333 22.304 ug/L I: Se-I 45 578461.968 2.592 ug/L I Cr 52 9096.307 1.681 ug/L Cr 53 356.011 4.675 ug/L Mn 55 648.363 5.079 ug/L 1 Ni 60 120.669 9.887 ug/L I Cu 63 476.351 1.951 ug/L L Cu 65 258.673 6.655 ug/L r Zn 66 796.043 4.838 ug/L I Zn 67 153.670 3.275 ug/L I Zn 68 614.694 8.454 R^iewed bYy ug/L |> Ge 72 114614.446 2.632 ug/L As 75. -70.670 29.277 ug/L 1 Se 77 141.669 9.076 ug/L L Se 82 123.002 0.813 ug/L r Ag 107 1318.776 7.343 ug/L I Cd 111 1193.277 1.780 ug/L I Cd 114 470.343 109.005 ug/L i> In 115 1677340.033 2.626 ug/L I Sb 121 283.674 9.004 ug/L L Sb 123 222.654 12.028 ug/L r Ba 135 113.335 4.170 ug/L I Ba 137 188.004 10.464 ug/L |> Tb 159 2052664.915 0.501 ug/L I Ho 165 1854693.195 2.292 ug/L I Tl 205 459.350 4.383 ug/L L Pb 208 7161.832 1.798 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 Cr 52 I Cr 53 Mn 55

Sample ID: Blank Report Date/Time: Monday, March 25, 2002 12:30:14 Page 1

NYC-WTC_000077621

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