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Selenium (Se) laboratory analysis results, Oct 2001

Machine-extracted title · confidence 95%

Laboratory report listing sample IDs and quality control status for selenium analysis conducted on October 5, 2001.

NYC-WTC_000065329–000065343

Folder label: “Se

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Scanned page image, NYC-WTC_000065333
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document :sBS8=sssssss:s = sssss==asssBSs:s;sasssss=sssss8ssssssassasBss:

Element: Se Seq. No.: 79 AS hoc.; 38 Date: 10/05/2001 Sati^le ID; SIO gL‘dispensed: 10 from 36, 5 from 37, 20 from 38 gL dispensed: 10 from 36, 5 from 37, 20 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # gg/L gg/L Signal Area Height Area Height Stored 1 0.078 0.077 0.134 0.049 0.049 14:00:44 No The calibration curve may not be linear. Standard number 5 applied. [10] Correlation Coefficient: 0.9927 Slope; 0.0074

Se 0.08 1

0.06-

8 •So 0.04-

0.02 -

r T r I -5 0 5 10 15

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 -0.5236 S2 0.022 2 2.433 S4 0.035 4 4.157 S6 0.052 6 6.488 S8 0.059 8 7.438 SIO 0.078 10 10.01 Correlation Coefficient; 0.99265 Slope: 0.00739 Intercept: 0.004

The calibration curve has been edited. The calibration curve has been edited.

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NYC-WTC_000065333

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NYC-WTC_000065333Source: NYC Law Department, mirrored locally

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