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Water sample metal analysis results, April 22, 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_000040925–000040974

Folder label: “ICPMS 4/22/02

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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 STD1 30 AND 2 PPB Sample Date/Time: Monday, April 22, 2002 14:16:55 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 STD1 30 AND 2 PPB.521 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 11578.154 2.579 0.024 30.51784 2.51 ug/L Se-1 45 486633.861 1.265 486633.861 ug/L Cr 52 270235.209 1.461 0.540 29.79094 0.72 ug/L Cr 53 32486.934 0.033 0.066 30.46991 1.30 ug/L Mn 55 421605.869 1.027 0.864 30.18936 0.30 ug/L Ni 60 66125.633 1.107 0.135 30.20164 1.11 ug/L Cu 63 149163.127 3.315 0.306 30.14464 2.07 ug/L Cu 65 73576.696 2.093 0.151 29.93862 1.70 ug/L Zn 66 48367.168 1.809 0.518 30.15322 1.21 ug/L Zn 67 8602.489 2.365 0.092 29.53319 2.97 ug/L Zn 68 35993.498 2.312 0.385 30.18170 1.88 ug/L > Ge 72 92194.063 0.774 92194.063 ug/L As 75 56214.815 0.595 0.610 30.59697 1.15 ug/L Se 77 5301.316 2.246 0.056 30.63306 2.46 ug/L Se 82 6426.669 2.629 0.069 30.88002 3.47 ug/L Ag 107 307089.068 1.585 0.239 30.59042 2.10 ug/L > In 115 1273737.220 0.598 1273737.220 ug/L Sb 121 254092.650 0.717 0.199 29.97805 0.73 ug/L Sb 123 196199.551 1.182 0.154 29.88439 0.61 ug/L Ba 135 78066.937 1.709 0.045 30.22653 1.24 ug/L Ba 137 136807.210 1.486 0.079 30.44002 0.47 ug/L Ho 165 1723949.508 1.213 -0.000 ug/L > Tb 159 1739740.938 1.300 1739740.938 ug/L Hg 201 2348.993 1.613 0.001 2.03158 1.18 ug/L Hg 202 5350.294 0.628 0.003 2.04536 0.78 ug/L TI 205 711998.377 0.249 0.409 30.18708 1.21 ug/L Pb 208 965583.804 1.173 0.554 30.24026 0.34 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 99.530 Cr 52 Cr 53 Mn 55

Sample ID: ICV STD1 30 AND 2 PPB Report Date/Time: Monday, April 22, 2002 14:19:04 Page 1

NYC-WTC_000040933

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NYC-WTC_000040933Source: NYC Law Department, mirrored locally

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