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← Document results/DEP Box 63/14 April 1st, 2002 NEWN AE05701 - AE06047
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Water metal analysis results, April 1, 2002

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Laboratory report from Westchester County Dept of Labs and Research detailing Method 200.8 metal concentrations in water samples dated April 1, 2002.

NYC-WTC_000077759–000077812

Folder label: “14 April 1st, 2002 NEWN AE05701 - AE06047

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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 PPB Sample Date/Time: Monday, April 01, 2002 13:51:14 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\ICV STD1 30 PPB.265 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 r Be 9 7552.546 2.031 0.019 29.69563 2.31 ug/L 1> Sc-1 45 394742.366 0.425 394742.366 ug/L I Cr 52 238789.693 0.986 0.583 30.58801 1.41 ug/L I Cr 53 28950.662 2.230 0.071 30.55417 2.60 ug/L I Mn 55 350701.709 1.313 0.887 29.29731 1.72 ug/L Ni 60 58460.655 1.727 0.148 29.75406 1.59 ug/L I Cu 63 140136.630 0.942 0.354 30.53908 0.72 ug/L L Cu 65 68773.887 1.547 0.174 30.09123 1.97 ug/L r Zn 66 44053.927 0.810 0.517 29.26330 1.41 ug/L 1 Zn 67 7729.696 1.483 0.090 28.17207 0.90 ug/L 1 Zn 68 32266.201 3.721 0.379 29.39430 4.67 ug/L i> Ge 72 81324.961 0.786 81324.961 ug/L I As 75 50955.774 2.663 0.625 30.04774 3.29 ug/L I Se 77 4488.486 1.873 0.053 29.58731 2.30 ug/L L Se 82 5688.836 0.811 0.068 28.77848 1.63 ug/L r Ag 107 311284.723 1.373 0.237 30.15575 2.69 ug/L I Cd 111 76339.290 2.864 0.058 28.27052 3.00 ug/L I Cd 114 184025.916 0.727 0.141 29.29952 2.02 ug/L i> in 115 1307730.426 1.470 1307730.426 ug/L I Sb 121 262864.532 0.489 0.201 28.96128 1.80 ug/L L Sb 123 197214.748 1.575 0.151 28.48312 3.00 ug/L r Ba 135 87207.830 0.444 0.044 30.74841 1.55 ug/L I Ba 137 153830.464 2.028 0.078 30.78883 1.78 ug/L 1> Tb 159 1967123.016 1.138 1967123.016 ug/L 1 Ho 165 1934933.365 0.809 -0.023 ug/L 1 Tl 205 800787.241 1.466 0.407 30.72802 2.57 ug/L L Pb 208 1097411.106 1.204 0.557 30.88958 2.25 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Sc-1 45 101.820 I Cr 52 I Cr 53 I Mn 55

Sample ID: ICV STD1 30 PPB Report Date/Time: Monday, April 01, 2002 13:53:35 Page 1

NYC-WTC_000077769

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