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Selenium lab results, WTC samples, Sep 25 2001

Machine-extracted title · confidence 100%

Laboratory report listing sample IDs and QC data for selenium analysis of World Trade Center environmental samples dated September 25, 2001.

NYC-WTC_000065269–000065279

Folder label: “Se

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Scanned page image, NYC-WTC_000065271
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Element: Se Seq. No.; 5 AS Loc.: 38 Date: 09/25/2001 ' Sample ID: S8 /tL dispensed: 14 from 36, 5 from 37, 16 from 38 ;tL dispensed; 14 from 36, 5 from 37, 16 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ng/li Mg/L Signal Area Height Area Height Stored 1 0.054 0.054 0.093 0.028 0.035 10:15:35 No Standard number 4 applied. [8] Correlation Coefficient: 0.9973 Slope: 0.0069

Element: Se Seq. No.: 6 AS hoc,: 38 Date; 09/25/2001 San^le ID: SIO /iL dispensed: 10 from 36, 5 from 37, 20 from 38 IJ.L dispensed: 10 from 36, 5 from 37, 20 from 38

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L /ig/L Signal Area Height Area Height Stored 1 0.072 0.072 0.120 0.031 0.038 10:20:00 No The calibration curve may not be linear. Standard number 5 applied. [10] Correlation Coefficient; 0.9980 Slope: 0.0072

Se 0.08 -T

0.06“

J 0.04“

0.02 “

o “r T I “I 0 5 10 15

Concentration

Calibration data for Se Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (/tg/L) (gg/L) Deviation %RSD Callb Blank 0.000 0.1568 S2 0.011 2 1.712 S4 0.029 4 4.217 S8 0.054 8 7.718 SIO O'. 072 10 10.20 Correlation Coefficient:.^-tr'§5S02 Slope: 0.00720 Intercept; -0.001

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NYC-WTC_000065271

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NYC-WTC_000065271Source: NYC Law Department, mirrored locally

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