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Selenium lab results, WTC samples, Oct 1 2001

Machine-extracted title · confidence 100%

Laboratory report listing sample IDs and QC data for selenium analysis of World Trade Center environmental samples dated October 1, 2001.

NYC-WTC_000065291–000065317

Folder label: “Se

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Scanned page image, NYC-WTC_000065307
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NYC 9/11 Public Portal Document

The calibration curve has been edited.

‘element: Se Seq. No.: 70 AS Loc.: 38 Date: 10/01/2001 Sample ID: SIO /zL dispensed: 10 from 36, 5 from 37, 20 from 6, 10 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ng/h \ ng/lj Signal Area Height Area Height Stored 1 > 0.032 0.037 0.045 0.045 0.032 15:14:17 No Addition number 2 •plied. [10.00] Correlation Coefficient: 0.9982 Slope: 0.0025 [Se] Sample Concentr^ion 3.166 /zg/L [Se] Sample Concentration 126.7

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Element: Se Seq. No.: 7 AS hoc.: 38 Date: 10/01/2001 Sample ID: S15 x. /zL dispensed: 5 from 36, 5 fro^37, 20 from 6, 15 from 38

Repl SampleConc StndConc Blnkcdx Peak Peak Bkgnd Bkgnd Time Peak # fig/h Signal Area Height Area Height Stored 1 0.042 ^0.047 0.056 0.050 0.036 15:17:07 No Addition number 3 applied. [15.00] Correlation Coefficient: 0.9953 Slope: 0.0024 [Se] Sample Concentration 3.260 fig/Xi [Se] Sample Concentration 130.4 fig/li The calibration curve has been edited.

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Page 17 NYC-WTC_000065307

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NYC-WTC_000065307Source: NYC Law Department, mirrored locally

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