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Water sample metal analysis results, April 15, 2002

Machine-extracted title · confidence 95%

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

NYC-WTC_000040700–000040753

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: ICV STD2 60 PPB Sample Date/Time: Monday, April 15,2002 14:01:12 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cityICV STD2 60 PPB.524 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 28763.739 2.546 0.052 59.65443 3.55 ug/L > Se-1 45 555253.408 0.985 555253.408 ug/L Cr 52 579516.219 2.379 1.030 55.38737 3.26 ug/L Cr 53 72374.378 1.453 0.129 59.41788 0.59 ug/L Mn 55 958884.251 1.660 1.725 55.52028 1.23 ug/L Ni 60 151886.926 2.296 0.273 61.03908 3.29 ug/L Cu 63 340277.690 2.713 0.612 58.86601 1.78 ug/L Cu 65 158024.948 2.191 0.284 54.89119 3.13 ug/L Zn 66 110010.812 1.441 1.071 61.65010 3.48 ug/L Zn 67 19070.842 1.378 0.185 57.70614 1.78 ug/L Zn 68 82774.682 1.532 0.806 64.54532 4.65 ug/L Ge 72 102234.362 3.150 102234.362 _| ug/L As 75 121556.999 1.863 1.190 61 45541 14.89 ug/L Se 77 19123.094 8.257 0.187 83.40800 8.83 ug/L Se 82 14495.706 4.112 0.141 64.77817 5.41 ug/L Ag 107 673722.921 2.285 0.491 62.65019 4.31 ug/L Cd 111 169193.598 0.977 0.123 60.16118 1.42 ug/L Cd 114 419814.189 0.486 0.307 66.92053 2.03 ug/L > In 115 1366450.598 2.184 1366450.598 ug/L Sb 121 565360.178 2.915 0.413 62.03854 1.59 ug/L Sb 123 427672.788 1.210 0.313 61.41860 2.01 ug/L Ba 135 165619.417 0.955 0.087 58.58514 2.57 ug/L Ba 137 294866.366 0.494 0.156 61.40194 3.09 ug/L > Tb 159 1894230.160 2.649 1894230.160 ug/L Ho 165 1881294.782 1.361 -0.048 ug/L Tl 205 1549971.891 1.045 0.818 63.45500 1.65 ug/L Pb 208 2062192.889 1.473 1.088 60.10100 1.21 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 > Se-1 45 102.345 Cr 52 Cr 53 Mn 55

Sample ID: ICV STD2 60PPB Report Date/Time: Monday, April 15, 2002 14:04:08 Page 1

NYC-WTC_000040710

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