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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: AD29927 Sample Date/Time: Thursday, December 20, 2001 17:49:57 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\AD29927.1232 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 Be 9 17.000 21.209 -0.000 -0.02866 24.56 ug/L i> Se-I 45 684569.621 3.594 684569.621 ug/L I Cr 52 16508.714 4.994 0.010 0.55984 15.67 ug/L I Cr 53 2486.909 6.542 0.003 1.38196 ^5.^5272 4.23 ug/L I Mn 55 299876.026 1.317 0.437 ;;::q;^782 3.37 ug/L I Ni 60 2351.884 5.353 0.002 9.75 ug/L I Cu 63 195478.038 3.565 0.282 2SV9247 1.41 ug/L L Cu 65 96404.046 3.282 0.139 25.27244 6.81. ug/L r Zn 66 12457.233 5.917 0.088 A4^^9 5.17 ug/L I Zn 67 2280.538 4.179 0.016 4.76744 5.71 ug/L I Zn 68 9962.577 4.346 0.071 5.17/13 6.31 ug/L i> Ge 72 126080.291 1.750 126080.291 ug/L I As 75 1306.013 1.960 0.009 0.44586 3.32 ug/L I Se 77 416.677 1.466 0.002 1.43342 2.42 ug/L L Se 82 501.014 2.794 0.002 1.15396 7.03 ug/L r Ag 107 307.340 3.700 -0.000 -0.03212 3.50 ug/L i> In 115 1399191.954 0.732 1399191.954 ug/L I Sb 121 494.347 2.761 -0.002 -0.25759 0.44 ug/L L Sb 123 387.519 1.802 -0.001 -0.25930 0.34 ug/L r Ba 135 65663.227 1.000 0.034 <2^3727 ( 23.0^872 2.66 ug/L I Ba 137 114247.237 1.663 0.060 4.77 ug/L i> Ho 165 1896831.521 3.312 1896831.521 ug/L I Tl 205 261.338 1.808 -0.000 -0.01424 1.26 ug/t- L Pb 208 176656.537 1.452 0.089 4.03466 4.57 ug/L

Sample ID: AD29927 Report Date/Time: Thursday, December 20, 2001 17:51:28 Page 1

NYC-WTC_000067387

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NYC-WTC_000067387Source: NYC Law Department, mirrored locally

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