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Water metal analysis results, April 8, 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 8, 2002.

NYC-WTC_000078316–000078395

Folder label: “ICPMS 4/8/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CeV CALBK Sample Date/Time: Monday, April 08, 2002 14:42:07 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\CCV CAL BK.319 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 9.667 15.802 0.000 0.00411 89.99 ug/L |> Sc-1 45 516540.521 1.406 516540.521 ug/L I Cr 52 8129.424 13.328 0.001 0.05766 172.72 ug/L 1 Cr 53 779.375 1.372 0.001 0.28794 1.28 ug/L I Mn 55 881.718 1.213 -0.000 -0.01266 11.62 ug/L 1 Ni 60 43.667 6.996 -0.000 -0.00006 2124.33 ug/L I Cu 63 228.338 6.790 -0.000 -0.00179 130.47 ug/L L Cu 65 162.670 9.249 0.000 0.01046 53.83 ug/L r Zn 66 409.680 6.524 0.000 0.00556 273.21 ug/L Zn 67 125.335 7.240 0.000 0.09725 26.71 ug/L 1 Zn 68 323.342 4.378 0.000 0.00493 203.25 ug/L l> Ge 72 98892.661 0.983 98892.661 ug/L As 75 297.995 17.804 0.001 0.02475 110.82 ug/L I Se 77 137.002 9.656 0.000 0.16143 52.10 ug/L L Se 82 202.671 8.664 0.000 0.05917 132.54 ug/L r Ag 107 170.337 12.348 -0.000 -0.03235 5.57 ug/L |> in 115 1353561.164 1.021 1353561.164 ug/L Sb 121 100.668 3.035 -0.000 -0.00732 5.99 ug/L L Sb 123 84.323 12.979 -0.000 -0.00641 22.11 ug/L r Ba 135 69.334 5.829 0.000 0.00467 38.84 ug/L I Ba 137 109.335 6.226 0.000 0.00252 42.39 ug/L I Ho 165 1852300.283 1.896 -0.005 ug/L 1> Tb 159 1857345.753 1.527 1857345.753 ug/L 1 Tl 205 553.356 3.004 -0.000 -0.00282 / 26.93 ug/L L Pb 208 1694.412 1.327 0.000 121.58 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 98.121 1 Cr 52 I Cr 53 I Mn 55 I Ni 60 I Cu 63

Sample ID: Cev CALBK Report Date/Time: Monday, April 08, 2002 14:44:22 Page 1

NYC-WTC_000078358

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NYC-WTC_000078358Source: NYC Law Department, mirrored locally

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