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Document / 11 pages

Selenium backlog report, Sept-Oct 2001

Machine-extracted title · confidence 90%

Summary of pending Selenium analyses including collection dates and assigned due dates for various sample types.

NYC-WTC_000065318–000065328

Folder label: “Se

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Scanned page image, NYC-WTC_000065321
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

==sssssBs==ass5s=css;=5ass=Ks=88sss:ss=ssaKs:sc3ssssc==ssSE=;=:c==:ssBSBS3SB;s=ss=ssss;s==SBcasSB=£sBBss===s=sso= Element: Se Seq. No.: 47 AS Loc.: 38 Date: 10/03/2001 Sanple ID: S20 dispensed: 5 from 37, 20 from 6, 20 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/Ij A'g/L Signal Area Height Area Height Stored 1 0.058 0.061 0.097 0.085 0.039 15:25:57 No The calibration curve may not be linear. Addition number 4 applied. [20.00] Correlation Coefficient; 0.9950 Slope: 0.0029

Se 0.06-r

0.04“ 8c I 0.02“

o-f 1 1 0 10 20 30

Concentration

Calibration data for Se Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (/ig/L) (gg/L) Deviation %RSD Calib Blank 0.000 0.6527 S5 0.012 5.00 4.774 SIO 0.033 10.00 11.91 S15 0.044 15.00 15.49 S20 0.058 20.00 20.29 Correlation Coefficient: 0.99501 Slope: 0.00293 Intercept: 0.000

[Se] Sample Concentration -0.6804 /ig/L

Page 40 NYC-WTC_000065321

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NYC-WTC_000065321Source: NYC Law Department, mirrored locally

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