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← Document results/DEP Box 63/18 April 3, 2002 NEWQ AE05063 - AE05850
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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_000077991–000078100

Folder label: “18 April 3, 2002 NEWQ AE05063 - AE05850”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CeV STD2 60 PPB Sample Date/Time; Wednesday, April 03, 2002 17:33:08 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.457 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 27818.451 1.801 0.059 65.46210 0.84 ug/L |> Sc-1 45 467730.886 1.321 467730.886 ug/L I Cr 52 573575.151 6.312 1.211 65.54030 7.68 ug/L Cr 53 64458.551 3.608 0.136 61.74522 2.65 ug/L I Mn 55 865690.196 2.575 1.850 62.11869 3.77 ug/L I Ni 60 140127.123 2.284 0.299 60.97670 1.89 ug/L I Cu 63 293887.439 2.181 0.628 59.39310 0.86 ug/L L Cu 65 150816.255 0.751 0.322 60.72356 1.21 ug/L r Zn 66 102942.519 3.961 1.148 60.13670 3.44 ug/L 1 Zn 67 18728.475 3.518 0.209 62.10104 3.82 ug/L I Zn 68 80803.455 2.374 0.901 60.92765 2.03 ug/L |> Ge 72 89201.113 1.552 89201.113 ug/L I As 75 116040.260 2.276 1.300 61.42006 1.25 ug/L I Se 77 9385.608 4.004 0.104 59.52471 3.02 ug/L L Se 82 13329.238 3.128 0.148 59.78824 3.20 ug/L r Ag 107 634360.570 1.289 0.503 59.28748 2.98 ug/L Cd 111 164288.970 2.985 0.130 61.28580 2.36 ug/L I Cd 114 377942.724 2.261 0.300 58.90432 3.95 ug/L |> In 115 1259103.041 1.860 1259103.041 ug/L Sb 121 511973.791 0.471 0.407 60.39406 2.17 ug/L L Sb 123 415392.554 0.924 0.330 61.84539 2.02 ug/L r Ba 135 154412.260 0.879 0.089 58.70186 1.53 ug/L I Ba 137 274914.417 3.074 0.159 59.11868 2.99 ug/L !> Tb 159 1726662.035 0.714 1726662.035 ug/L 1 Ho 165 1804541.902 1.683 0.150 ug/L I Tl 205 1393740.923 1.921 0.807 57.68916 1.51 ug/L L Pb 208 1930270.984 0.577 1.117 59.11005 0.33 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Sc-1 45 84.851 I Cr 52 Cr 53 I Mn 55

Sample ID: cev STD2 60PPB Report Date/TIme; Wednesday, April 03, 2002 17:35:21 Page 1

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