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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: LFB Sample Date/Time: Thursday, December 20, 2001 16:22:18 Sample Type: Sample Sample Description: 50 PPB Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWQ200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\LFB.1210 Sample Prep Volume (ml): Initial Sample Quantity (mg): Aliquot Volume (mb): Diluted To Volume (mL):

Concentration Results C'l Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 27067.577 3.507 0.040 55.43103 9.71 ug/L I: Se-I 45 677246.461 6.962 677246.461 ug/L I Cr 52 651351.161 4.500 0.951 54.25410 9.08 ug/L I Cr 53 78640.066 2.555 0.116 53.02868 4.54 ug/L I Mn 55 1048596.647 1.113 1.552 53.79178 7.06 ug/L I Ni 60 176874.670 0.525 0.261 55.39561 6.95 ug/L I Cu 63 402880.651 4.612 0.592 54.20862 5.41 ug/L L Cu 65 199966.303 3.049 0.295 53.53082 10.08 ug/L r Zn 66 120464.158 5.045 0.943 49.84848 5.36 ug/L I Zn 67 21465.692 5.173 0.168 49.47281 7.45 ug/L I Zn 68 87889.421 0.892 0.688 49.99190 2.22 ug/L I: Ge 72 126323.516 2.330 126323.516 ug/L I As 75 127345.792 0.753 1.007 51.52715 2.21 ug/L Se 77 11049.390 5.209 0.086 52.88278 2.91 ug/L L Se 82 14576.916 2.828 0.114 52.65850 0.75 ug/L r Ag 107 626511.023 1.853 0.438 50.52700 3.11 ug/L i> In 115 1429118.862 1.451 1429118.862 ug/L I Sb 121 479557.692 1.424 0.334 51.64973 0.78 ug/L L Sb 123 366624.968 1.477 0.255 50.96308 2.96 ug/L r Ba 135 143535.965 1.044 0.075 49.91547 1.02 ug/L I Ba 137 246431.187 2.348 0.128 49.22694 3.87 ug/L i> Ho 165 1919279.249 1.735 1919279.249 ug/L I Tl 205 1529191.817 3.882 0.797 50.30874 5.05 ugTL L Pb 208 2108466.047 1.840 1.095 49.38213 3.30 ug/L

Sample ID: LFB Report Date/Time: Thursday, December 20, 2001 16:23:50 Page 1

NYC-WTC_000067343

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NYC-WTC_000067343Source: NYC Law Department, mirrored locally

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