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Document / 84 pages

Method 200.8 summary report, Dec 19 2001

Machine-extracted title · confidence 95%

Summary report of Method 200.8 analysis results for multiple analytes including beryllium, chromium, and manganese from December 19, 2001.

NYC-WTC_000067178–000067261

Folder label: “12/19/01 NEWQ 29023-29235 29139 Zn did not recover batches 16055 16056 NEWQ 12/19/01 copies made

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: Standard 1 Sample Date/Time: Wednesday, December 19, 2001 09:06:49 Sample Type: Sample Sample Description: 60 PPB Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWQ200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\Standard 1.1095 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 25861.320 2.271 0.045 60.00000 3.37 ug/L I: Sc-1 45 571171.802 2.368 571171.802 ug/L I Cr 52 676175.084 2.314 1.168 60.00000 0.50 ug/L Cr 53 81217.723 1.400 0.141 60.00000 2.26 ug/L I Mn 55 995588.123 5.045 1.743 60.00000 5.92 ug/L I Ni 60 184726.619 7.551 0.324 60.00000 9.95 ug/L I Cu 63 413933.111 3.876 0.723 60.00000 4.04 ug/L L Cu 65 204456.292 2.454 0.357 60.00000 2.74 ug/L r Zn 66 123445.242 2.852 1.085 60.00000 3.02 ug/L I Zn 67 21887.653 3.465 0.192 60.00000 1.33 ug/L I Zn 68 92884.812 6.715 0.817 60.00000 8.37 ug/L i> Ge 72 112953.558 4.678 112953.558 ug/L I As 75 144870.576 4.362 1.284 60.00000 7.76 ug/L I Se 77 11977.812 4.375 0.105 60.00000 5.24 ug/L L Se 82 15837.293 6.851 0.139 60.00000 11.77 ug/L r AgIn 107 791821.689 2.495 0.484 60.00000 8.01 ug/L i> 115 1640355.449 5.478 1640355.449 ug/L I Sb 121 682454.278 0.437 0.417 60.00000 5.71 ug/L L Sb 123 542419.414 2.132 0.331 60.00000 3.37 ug/L r Ba 135 226153.212 2.843 0.083 60.00000 3.52 ug/L I Ba 137 383535.731 4.017 0.140 60.00000 5.14 ug/L i> Ho 165 2732306.857 2.557 2732306.857 ug/L 1 Tl 205 2409175.943 2.201 0.882 60.00000 0.41 ug/L L Pb 208 2976169.931 1.966 1.087 60.00000 4.32 ug/L

Sample ID: Standard 1 Report Date/Time: Wednesday, December 19, 2001 09:08:21 Page 1

NYC-WTC_000067180

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NYC-WTC_000067180Source: NYC Law Department, mirrored locally

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