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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: ICV STD2 60 PPB Sample Date/Time: Tuesday, April 09, 2002 12:20:16 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\ICV STD2 60 PPB.369 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 29854.253 2.157 0.057 60.49580 1.55 ug/L Se-1 45 525186.586 0.978 525186.586 ug/L Cr 52 589470.482 0.293 1.108 61.04112 0.79 ug/L Cr 53 68967.345 1.518 0.130 60.74658 0.78 ug/L Mn 55 930407.723 0.803 1.770 60.37527 0.23 ug/L Ni 60 146230.923 1.129 0.278 60.51817 0.15 ug/L Cu 63 330696.629 0.175 0.629 60.51617 1.13 ug/L Cu 65 162831.115 1.364 0.310 60.37473 1.03 ug/L Zn 66 104921.808 1.584 1.031 58.55884 1.21 ug/L Zn 67 18734.138 0.703 0.184 59.31320 0.36 ug/L Zn 68 77545.143 1.469 0.762 58.48716 0.61 ug/L > Ge 72 101351.539 0.876 101351.539 ug/L As 75 122618.211 1.660 1.207 59.79194 1.16 ug/L Se 77 10564.908 1.017 0.103 60.21991 1.50 ug/L Se 82 14184.867 0.943 0.138 59.47804 1.84 ug/L Ag 107 680419.734 1.476 0.487 60.34137 2.14 ug/L > In 115 1394680.250 0.827 1394680.250 ug/L Sb 121 573478.440 1.360 0.411 61.60458 0.73 ug/L Sb 123 439521.923 1.725 0.315 60.99904 0.90 ug/L Ba 135 166607.078 1.655 0.089 60.30151 1.34 ug/L Ba 137 288783.150 2.075 0.154 59.53233 1.09 ug/L Ho 165 1863272.203 0.855 -0.005 ug/L Tb 159 1872570.077 1.357 1872570.077 ug/L n 205 1541688.529 1.072 0.823 59.80520 1.91 ug/L Pb 208 2102641.702 0.601 1.122 60.44906 0.97 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 95.928 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: ICV STD2 60PPB Report Date/Time: Tuesday, April 09,2002 12:22:46 Page 1

NYC-WTC_000040351

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NYC-WTC_000040351Source: NYC Law Department, mirrored locally

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