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← Document results/DEP Box 63/15 April 2nd, 2002 NEWN AE06048 - AE06754
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Water metal analysis results, April 2, 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 2, 2002.

NYC-WTC_000077814–000077891

Folder label: “15 April 2nd, 2002 NEWN AE06048 - AE06754

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CeV STD1 30 PPB Sample DateZTime: Tuesday, April 02, 2002 14:15:21 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\CCV STD1 30 PPB.338 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 12765.753 1.680 0.025 31.20046 1.47 ug/L |> Sc-1 45 510600.912 1.534 510600.912 ug/L Cr 52 299074.501 1.787 0.571 30.13690 0.40 ug/L Mn 55 468922.522 1.246 0.916 29.88654 1.68 ug/L I Ni 60 72950.598 0.712 0.143 29.78872 1.62 ug/L I Cu 63 170039.079 1.498 0.333 30.25169 1.38 ug/L L Cu 65 83469.283 0.669 0.163 30.08427 0.88 ug/L r Zn 66 55884.474 0.832 0.557 30.52018 0.50 ug/L I Zn 67 9896.484 1.866 0.098 30.66203 2.01 ug/L |> Ge 72 99163.927 0.963 99163.927 ug/L As 75 62486.220 1.712 0.629 30.94355 1.71 ug/L I Se 77 5338.621 1.060 0.053 30.62227 0.14 ug/L L Se 82 7164.227 1.232 0.071 31.00495 0.82 ug/L r Ag 107 344770.431 0.958 0.244 30.35238 0.70 ug/L I Cd 111 89438.154 0.882 0.063 30.58640 0.50 ug/L I Cd 114 211005.631 0.746 0.149 30.51904 1.65 ug/L |> In 115 1410743.633 1.301 1410743.633 ug/L I Sb 121 289421.135 0.544 0.205 29.87210 1.17 ug/L L Sb 123 225774.742 1.303 0.160 30.36418 1.05 ug/L r Ba 135 88217.269 1.870 0.045 27.93772 5.21 ug/L I Ba 137 155363.105 1.665 0.080 28.07609 5.12 ug/L i> Tb 159 1953838.355 3.349 1953838.355 ug/L 1 Ho 165 1986550.945 0.735 0.153 ug/L I T1 205 831545.318 0.333 0.425 29.14492 3.50 ug/L L Pb 208 1100338.654 0.654 0.562 28.75088 3.31 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Se-I 45 91.969 Cr 52 Mn 55 Ni 60 Cu 63 L Cu 65

Sample ID: CeV STD1 30PPB Report Date/Time: Tuesday, April 02,2002 14:17:34 Page 1

NYC-WTC_000077858

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