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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: AE06992 Sample Date/Time: Tuesday, April 09, 2002 12:39:43 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06992.374 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 25082.811 1.456 0.047 50.39290 0.68 ug/L > Se-1 45 529738.892 1.903 529738.892 ug/L Cr 52 482161.498 1.166 0.896 49.35404 1.03 ug/L Cr 53 57307.328 1.608 0.107 49.94882 2.53 ug/L Mn 55 1017747.913 1.003 1.920 65.48993 1.39 ug/L Ni 60 117013.455 0.893 0.221 48.01356 1.23 ug/L Cu 63 269512.144 0.772 0.508 48.89384 1.89 ug/L Cu 65 131779.928 0.713 0.249 48.44175 1.94 ug/L Zn 66 94367.271 1.544 0.907 51.54618 3.15 ug/L Zn 67 16610.995 0.897 0.159 51.44363 2.31 ug/L Zn 68 69540.855 3.376 0.668 51.30390 1.66 ug/L Ge 72 103535.413 1.934 103535.413 ug/L As 75 108347.795 2.058 1.043 51.69929 0.56 ug/L Se 77 9923.847 1.434 0.095 55.32279 2.81 ug/L Se 82 12933.657 0.749 0.123 53.00876 2.27 ug/L Ag 107 522877.794 1.041 0.375 46.44223 1.70 ug/L > In 115 1391687.744 1.389 1391687.744 ug/L Sb 121 475930.823 1.434 0.342 51.24221 2.01 ug/L Sb 123 368044.581 1.409 0.264 51.19016 0.25 ug/L Ba 135 177674.218 1.758 0.094 63.70433 0.64 ug/L Ba 137 309320.832 0.602 0.164 63.17947 0.92 ug/L Ho 165 1876703.144 0.843 -0.007 ug/L > Tb 159 1890217.279 1.304 1890217.279 ug/L Ti 205 1248150.246 0.891 0.660 47.96109 1.75 ug/L Pb 208 1677623.668 0.635 0.887 47.77163 1.56 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 100.763 > Sc-1 45 96.759 Cr 52 97.679 Cr 53 99.166 Mn 55 97.898 Ni 60 95.191 Cu 63 95.759

Sample ID: AE06992 Report Date/Time: Tuesday, April 09,2002 12:41:50 Page 1

NYC-WTC_000040361

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