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Water sample metal analysis results, April 9, 2002

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Summary report of water sample analysis using Method 200.8 showing measured intensities and concentrations for various metals.

NYC-WTC_000040341–000040450

Folder label: “ICPMS 4/9/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CCV STD1 30 PPB Sample Date/Time: Tuesday, April 09, 2002 14:10:41 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\CCV STD1 30 PPB.401 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 Be 9 15169.465 1.022 0.029 31.17791 0.13 ug/L Se-1 45 517677.532 1.101 517677.532 ug/L Cr 52 290918.211 0.713 0.548 30.16901 0.97 ug/L Cr 53 34563.936 1.404 0.065 30.59227 2.49 ug/L Mn 55 462263.587 0.671 0.891 30.40108 0.62 ug/L Ni 60 71047.628 1.491 0.137 29.81908 0.42 ug/L Cu 63 162185.908 0.499 0.313 30.08498 0.60 ug/L Cu 65 80100.520 1.491 0.154 30.10213 0.41 ug/L Zn 66 52636.153 1.422 0.530 30.12329 1.56 ug/L Zn 67 9328.211 1.902 0.094 30.22376 3.17 ug/L Zn 68 38350.444 1.122 0.386 29.65118 1.63 ug/L Ge 72 98439.801 1.243 98439.801 ug/L As 75 60301.952 1.021 0.610 30.20182 0.81 ug/L Se 77 5133.501 1.761 0.051 29.73446 3.09 ug/L Se 82 7095.172 0.816 0.070 30.23497 2.08 ug/L Ag 107 318677.479 1.390 0.237 29.39424 2.21 ug/L > in 115 1338039.448 0.804 1338039.448 ug/L Sb 121 270701.384 0.768 0.202 30.30726 0.36 ug/L Sb 123 209754.744 0.568 0.157 30.34105 0.34 ug/L Ba 135 80447.867 0.802 0.044 30.07805 1.16 ug/L Ba 137 139338.483 0.859 0.077 29.67719 1.14 ug/L Ho 165 1816975.147 0.669 0.003 ug/L > Tb 159 1811884.208 0.404 1811884.208 ug/L n 205 766814.394 1.900 0.423 30.72763 1.98 ug/L Pb 208 1036608.646 1.014 0.571 30.77287 0.81 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff ' Be 9 > Sc-1 45 94.556 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: CCV STD1 30PPB Report Date/Time: Tuesday, April 09,2002 14:12:47 Page 1

NYC-WTC_000040415

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NYC-WTC_000040415Source: NYC Law Department, mirrored locally

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