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Selenium lab results, WTC samples, Oct 12 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 12, 2001.

NYC-WTC_000065355–000065364

Folder label: “Se

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OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

' Element: Se Seq. No.: 74 AS boc.: 38 Date: 10/12/2001 ^atit^le ID: SIO fill dispensed: 10 from 36, 5 from 37, 20 from 38 IJLlt dispensed: 10 from 36, 5 from 37, 20 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # gg/b Mg/b Signal Area Height Area Height Stored 1 0.052 0.053 0.066 0.028 0.023 15:17:56 No The calibration curve may not be linear. Standard number 5 applied. [10] Correlation Coefficient: 0.9890 Slope: 0.0053

Se 0.06 -r

a □ 0.04“ Sc « o 5 0.02“

r T -I-- I -5 0 5 10 15

Concentration

Calibration data for Se Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (gg/b) (gg/b) Deviation %RSD Calib Blank 0.000 -0.1461 S2 0.014 2 2.469 S4 0.019 4 3.477 S6 0.032 6 5.767 S8 0.048 8 8.890 SIO 0. 10 9.543 Correlation^oef f icieni 0.9889 Slope: 0.00535 Intercept: 0.001

The calibration curve has been edited.

Page 10

NYC-WTC_000065357

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NYC-WTC_000065357Source: NYC Law Department, mirrored locally

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