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Water sample metal analysis results, April 22, 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_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: Standard 1 Sample Date/Time: Monday, April 22, 2002 14:04:00 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\Standard 1.518 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 11253.409 2.081 0.023 33.35482 0.60 ug/L > Se-1 45 480725.829 2.315 480725.829 ug/L Cr 52 269960.109 1.318 0.546 29.63084 1.81 ug/L Cr 53 31652.997 1.191 0.065 29.17639 1.17 ug/L Mn 55 418368.349 2.697 0.868 30.02532 0.52 ug/L Ni 60 65473.580 0.151 0.136 28.63864 2.29 ug/L Cu 63 151301.223 0.785 0.314 29.01773 1.58 ug/L Cu 65 74494.870 2.745 0.154 28.96221 0.46 ug/L Zn 66 48200.938 1.212 0.520 30.93119 0.94 ug/L Zn 67 8696.579 2.305 0.094 30.48666 1.22 ug/L Zn 68 35971.387 0.614 0.388 30.81719 1.71 ug/L > Ge 72 91411.987 2.008 91411.987 ug/L As 75 54954.989 2.495 0.601 30.01563 1.87 ug/L Se 77 5279.829 1.828 0.056 31.29783 0.76 ug/L Se 82 6385.973 1.232 0.069 31.43093 3.21 ug/L Ag 107 304347.988 0.192 0.240 31.00716 0.21 ug/L > in 115 1257026.162 0.096 1257026.162 ug/L Sb 121 253315.708 1.362 0.201 30.40795 1.33 ug/L Sb 123 196139.122 0.801 0.156 30.38923 0.78 ug/L Ba 135 78042.364 1.253 0.045 30.30557 0.70 ug/L Ba 137 136465.145 1.598 0.078 30.39681 1.03 ug/L Ho 165 1713808.717 0.488 -0.010 ug/L > Tb 159 1745959.054 0.568 1745959.054 ug/L Hg 201 2422.347 1.776 0.001 2.03713 2.11 ug/L Hg 202 5311.605 1.690 0.003 2.00399 1.41 ug/L TI 205 715388.536 1.836 0.409 30.01763 1.38 ug/L Pb 208 960833.882 0.855 0.549 29.89628 0.30 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 Cr 52 Cr 53 Mn 55

Sample ID: Standard 1 Report Date/Time: Monday, April 22, 2002 14:05:41 Page 1

NYC-WTC_000040927

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NYC-WTC_000040927Source: NYC Law Department, mirrored locally

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