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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: LFB 50 PPB Sample Date/Time: Tuesday, April 09, 2002 14:17:14 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\LFB 50 PPB.403 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 25273.335 0.486 0.049 52.37496 0.74 ug/L Se-1 45 513561.196 1.077 513561.196 ug/L Cr 52 480941.161 1.076 0.922 50.80140 1.63 ug/L Cr 53 57175.870 2.334 0.110 51.40635 1.66 ug/L Mn 55 759468.824 2.760 1.477 50.38166 1.76 ug/L Ni 60 117076.224 0.399 0.228 49.54844 0.67 ug/L Cu 63 270066.664 1.491 0.525 50.53035 1.53 ug/L Cu 65 131334.188 0.420 0.255 49.79298 1.25 ug/L Zn 66 86085.870 0.541 0.888 50.42677 1.19 ug/L Zn 67 15046.261 1.918 0.155 49.96349 0.74 ug/L Zn 68 63182.779 0.939 0.651 50.02114 2.61 ug/L > Ge 72 96512.325 1.716 96512.325 ug/L As 75 98121.739 2.569 1.014 50.21904 1.19 ug/L Se 77 8579.466 0.261 0.088 51.24491 1.80 ug/L Se 82 11446.989 3.363 0.117 50.26484 1.75 ug/L Ag 107 528673.594 1.643 0.399 49.42614 1.39 ug/L > In 115 1322216.926 0.919 1322216.926 ug/L Sb 121 445802.847 1.029 0.337 50.51943 1.92 ug/L Sb 123 342727.604 1.560 0.259 50.18090 2.47 ug/L Ba 135 132709.957 0.176 0.074 50.18705 0.55 ug/L Ba 137 230659.966 0.817 0.129 49.68669 0.67 ug/L Ho 165 1769722.406 0.858 -0.013 ug/L > Tb 159 1792013.101 0.715 1792013.101 ug/L Tl 205 1251139.595 0.227 0.698 50.70675 0.68 ug/L Pb 208 1687912.535 0.382 0.941 50.69638 0.51 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Se-1 45 93.804 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: LFB 50 PPB Report Date/Time: Tuesday, April 09,2002 14:19:18 Page 1

NYC-WTC_000040419

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NYC-WTC_000040419Source: NYC Law Department, mirrored locally

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