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Document / 27 pages

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_000065311
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Element; Se Seq. No.: 83 AS IiOC.; 38 Date; 10/01/2001 , Sample ID; S20 /zL dispensed: 5 from 37, 20 from 8, 20 from 38

Repl SatnpleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # 1^3/'^ Signal Area Height Area Height Stored 1 0.074 0.075 0.082 0.034 0.029 15:53:49 No The calib: ■tion curve may not be linear. Addition ni ler 4 applied. [20.00] Correlation ,efficient: 0.9981 Slope: 0.0035

Se 0.08 -T

0.06-

s g ■e 0.04“

I 0.02“

n I I -10 10 20 30

Concentration

Calibration data for Se Entered Calculated Mean Signal Concentration CoVcentration Standard standard ID (Pk Area) (/xg/L) Deviation %RSD Calib Blank 0.000 ^.665 S5 0.020 5.00 3.\70 SIO 0.038 10.00 9.107 S15 0.058 15.00 15. o\ S20 0.074 20.00 19.47\ Correlation Coefficient: 0.99806 Slope: 0.00349 Inte: :ept: 0.004 • — [Se] Sample Concentration 1.181 gg/L [Se] Sample Concentration 11.81 /zg/L

ParrA 91

NYC-WTC_000065311

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NYC-WTC_000065311Source: NYC Law Department, mirrored locally

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