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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: AE07171 Sample Date/Time: Tuesday, April 09,2002 13:34:17 Sample Type: Spike -1 Sample Description: MSD Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07171.390 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 25528.716 0.569 0.049 51.90422 0.86 ug/L > Se-1 45 523444.909 0.732 523444.909 ug/L Cr 52 462693.126 1.847 0.870 47.90204 1.60 ug/L Cr 53 54965.888 0.726 0.104 48.45756 1.43 ug/L Mn 55 979962.236 1.271 1.870 63.80903 1.67 ug/L Ni 60 112043.235 2.262 0.214 46.52207 2.48 ug/L Cu 63 262381.945 0.708 0.501 48.16167 0.43 ug/L Cu 65 128730.716 1.120 0.246 47.88169 1.70 ug/L Zn 66 89909.310 0.042 0.900 51.10987 0.74 ug/L Zn 67 15797.874 1.401 0.158 50.91810 1.17 ug/L Zn 68 67230.024 0.799 0.673 51.64880 0.90 ug/L > Ge 72 99448.329 0.696 99448.329 ug/L As 75 103457.748 0.590 1.037 51.39443 0.12 ug/L Se 77 9294.843 1.370 0.092 53.91049 1.56 ug/L Se 82 12406.588 2.752 0.123 52.92678 3.12 ug/L Ag 107 506593.981 1.046 0.379 46.96227 0.88 ug/L In 115 1333383.533 1.556 1333383.533 ug/L Sb 121 459582.386 0.358 0.345 51.64652 1.45 ug/L Sb 123 354250.738 0.983 0.266 51.42922 0.59 ug/L Ba 135 170481.747 0.712 0.094 63.78305 0.80 ug/L Ba 137 293901.914 0.630 0.162 62.63336 0.77 ug/L Ho 165 1798647.921 1.283 -0.007 ug/L Tb 159 1811532.413 0.247 1811532.413 ug/L TI 205 1200922.483 0.686 0.663 48.14437 0.59 ug/L Pb 208 1641800.439 1.794 0.905 48.77596 1.55 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 103.787 > Sc-1 45 95.610 Cr 52 95.158 Cr 53 95.826 Mn 55 93.418 Ni 60 92.412 Cu 63 93.412

Sample ID: AE07171 Report Date/Time: Tuesday, April 09,2002 13:35:52 Page 1

NYC-WTC_000040393

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