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Method 200.8 summary report, Dec 20 2001

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Summary report of Method 200.8 analysis results for multiple analytes including beryllium, chromium, and manganese from December 20, 2001.

NYC-WTC_000067263–000067404

Folder label: “12/20/01 NEWQ 29289-30009 copies made”

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: AD29926 Sample Date/Time: Thursday, December 20, 2001 17:47:04 Sample Type: Sample, Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWQ200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\AD29926.1231 Sample Prep Volume (mL): Initial Sample Quantity (mg): 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 Se-I Be 9 12.333 30.697 -0.000 -0.04047 15.81 ug/L I: 45 753470.176 2.942 753470.176 ug/L I Cr 52 13734.081 5.155 0.004 0.22337 29.11 ug/L I Cr 53 1743.124 1.297 0.002 0.77883 2.85 ug/L I Mn 55 496294.180 4.146 0.658 22^829 7.11 ug/L Ni 60 1692.451 3.239 0.001 0.21513 13.31 ug/L I Cu 63 274995.040 4.018 0.361 ^07857 4.90 ug/L

s L Cu 65 134060.677 6.191 0.176 (7731 6.01 ug/L r Zn 66 29609.617 0.590 0.215 14666 0.69 ug/L I Zn 67 4814.859 1.123 0.035 11626 2.33 ug/L 2.473 18833 I Zn 68 21999.152 0.160 3.74 ug/L I: Ge 72 131488.373 1.097 131488.373 ug/L I As 75 1480.173 9.876 0.010 0.49206 12.57 ug/L I Se 77 223.004 7.217 0.001 0.44889 14.83 ug/L L Se 82 296.673 5.603 0.001 0.35896 15.21 ug/L r Ag 107 479.680 3.325 -0.000 -0.01839 9.77 ug/L I: In 115 1416865.655 2.320 1416865.655 ug/L I Sb 121 707.691 ■3.392 -0.002 -0.23490 1.71 ug/L L Sb 123 583.201 3.442 -0.001 ^0.23241 0.50 ug/L r Ba 135 137 42474.506 2.808 2.540 0.023 15.^343 1.17 ug/L Ba 74554.865 0.040 15.20427 4.08 ug/L I: Ho 165 1867703.831 1.645 1867703.831 ug/L I Tl 205 185.336 8.672 -0.000 -0.01667 3.83 ug/L L Pb 208 91406.555 1.845 0.045 2.03890 3.58 ug/L

Sample ID: AD29926 Report Date/Time: Thursday. December 20, 2001 17:48:36 Page 1

NYC-WTC_000067385

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NYC-WTC_000067385Source: NYC Law Department, mirrored locally

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