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Method 200.8 Water Analysis Summary Report, Feb 11, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on February 11, 2002.

NYC-WTC_000076632–000076741

Folder label: “NEWQ Feb 11, 2002 AE02966 - AE03264

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE03071 Sample Date/Time: Monday, February 11, 2002 11:54:17 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE.mth Dataset File: d:\eIandata\Dataset\daily performance\AE03071.449 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 31552.988 1.708 0.043 52.25335 1.70 ug/L i> Se-I 45 740076.097 0.085 740076.097 ug/L Cr 52 642752.332 0.570 0.856 48.41248 0.54 ug/L I Cr 53 73914.007 0.594 0.099 48.43059 0.52 ug/L I Mn 55 1416375.247 3.203 1.913 68.70061 3.28 ug/L I Ni 60 153337.219 0.203 0.205 46.54528 0.16 ug/L I Cu 63 356407.358 0.405 0.480 47.24294 0.33 ug/L L Cu 65 174894.537 1.189 0.235 46.92300 1.21 ug/L r Zn 66 123815.727 0.757 0.966 49.31297 0.49 ug/L I Zn 67 21390.684 0.684 0.167 49.01953 0.71 ug/L I Zn 68 89459.576 0.540 0.698 49.20011 0.76 ug/L l> Ge 72 126736.582 0.588 126736.582 ug/L As 75 123345.983 0.834 0.971 52.02350 0.65 ug/L L Se 77 11590.837 2.823 0.090 55.89233 2.57 ug/L r Ag 107 573887.820 0.991 0.384 45.84315 1.03 ug/L I Cd 111 151534.797 1.170 0.101 49.95587 0.46 ug/L I Cd 114 352710.421 1.577 0.236 49.30159 0.84 ug/L i> In 115 1492610.905 1.461 1492610.905 ug/L Sb 121 468058.659 0.814 0.314 51.05320 0.65 ug/L L Sb 123 359154.227 0.817 0.241 50.81610 0.97 ug/L r Ba 135 173741.612 0.564 0.068 56.94217 0.23 ug/L I Ba 137 305205.062 0.395 0.120 57.28364 0.02 ug/L i> Ho 165 2547789.489 0.374 2547789.489 ug/L I Tl 205 1853693.466 0.475 0.727 45.08014 0.19 ug/L L Pb 208 2301965.628 0.708 0.901 44.61976 0.36 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 104.512 1> Sc-1 45 95.317 1 Cr 52 95.374 I Cr 53 95.612 1 Mn 55 97.574 1 Ni 60 92.644

Sample ID: AE03071 Report Date/Time: Monday, February 11, 2002 11:56:01 Page 1

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