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← Document results/DEP Box 63/17 April 3, 2002 NEWQ AE04946 - AE05062
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Water metal analysis results, April 3, 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 3, 2002.

NYC-WTC_000077942–000077989

Folder label: “17 April 3, 2002 NEWQ AE04946 - AE05062

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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 CALBK Sample Date/Time: Wednesday, April 03, 2002 13:23:48 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 CAL BK.400 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 11.000 41.660 -0.000 -0.00702 133.08 ug/L 1> Sc-1 45 558767.613 4.412 558767.613 ug/L Cr 52 8198.779 2.346 -0.000 -0.01165 439.90 ug/L I Cr 53 992.397 4.624 0.000 0.17619 25.95 ug/L I Mn 55 758.039 3.382 -0.000 -0.00188 65.33 ug/L I Ni 60 88.335 37.037 -0.000 -0.00090 1348.04 ug/L Cu 63 271.340 9.060 0.000 0.00686 49.61 ug/L L Cu 65 180.003 13.006 0.000 0.01349 69.19 ug/L r Zn 66 664.698 3.355 0.001 0.04316 4.81 ug/L I Zn 67 173.337 1.452 0.000 0.05642 21.73 ug/L I Zn 68 533.354 1.888 0.001 0.04914 31.48 ug/L i> Ge 72 106339.362 3.976 106339.362 ug/L 1 As 75 221.671 31.057 0.001 0.02832 116.49 ug/L I Se 77 154.670 6.791 0.000 0.07998 76.67 ug/L L Se 82 180.670 9.688 0.000 0.03682 198.53 ug/L r Ag 107 177.337 1.419 -0.001 -0.16432 0.14 ug/L I Cd 111 1046.049 6.775 -0.000 -0.01857 116.47 ug/L Cd 114 97.187 8.119 -0.000 -0.00972 9.45 ug/L i> In 115 1450023.976 1.808 1450023.976 ug/L I Sb 121 65.668 22.910 -0.000 -0.01533 9.78 ug/L L Sb 123 50.311 17.048 -0.000 -0.01492 7.03 ug/L r Ba 135 95.335 8.921 -0.000 -0.00105 250.00 ug/L I Ba 137 177.337 5.117 -0.000 -0.00031 573.83 ug/L i> Tb 159 1989742.205 2.578 1989742.205 ug/L I Ho 165 1721452.481 1.693 -0.101 ug/L I Ti 205 545.355 6.419 -0.000 -0.00863 21.35 ug/L L Pb 208 2110.450 4.296 -0.000 -0.00140 81.04 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Se-I 45 98.124 I Cr 52 1 Cr 53 I Mn 55

Sample ID: CeV CALBK Report Date/Time: Wednesday, April 03,2002 13:30:06 Page 1

NYC-WTC_000077984

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