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Document / 11 pages

Selenium backlog report, Sept 2001

Machine-extracted title · confidence 90%

Laboratory report detailing quality control checks and sample IDs for a Selenium batch analyzed on September 17, 2001.

NYC-WTC_000065280–000065290

Folder label: “Se

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Scanned page image, NYC-WTC_000065281
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NYC 9/11 Public Portal Document

It Method ^ame: SeHGAP Element; Se . Method Description; Sehga SM3113 B

Date: 09/27/2001 Technique: Furnace Calibration Equation: Calc. Intercept: Linear Wavelength: 196.0 nm Slit Width: 2.00 nm Lamp Current: 0 Energy: 59 Sample Info Pile: Untitled Results Data Set:

Element; Se Seq. No.: 1 AS Loc.: 36 Date; 09/27/2001 San^le ID: Calib Blank Illi dispensed: 10 from 36, 5 from 37, 20 from 36 lili dispensed: 10 from 36, 5 from 37, 20 from 36

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # signal Area Height Area Height " Stored 1 0.001 0.001 0.011 0.041 0.018 16:36:33 No

Element: Se Seq. No.: 1 AS Loc.: 36 Date: 09/27/2001 Sample ID: Calib Blank fili dispensed: 10 from 36, 5 from 37, 20 from 36 liL dispensed: 10 from 36, 5 from 37, 20 from 36

Repl Saii^jleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak » gg/L Signal Area Height Area Height Stored -0.001 -0.001 0.007 0.014 0.011 16:45:02 No Auto-zero)performed.

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Element: Se Seq. No.: 2 AS LOC.: 38 Date: 09/27/2001 Sample ID: S2 /zL dispensed: 26 from 36, 5 from 37, 4 from 38 (ill dispensed: 26 from 36, 5 from 37, 4 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 0.017 0.015 0.035 0.020 0.014 16:49:18 No Standard number 1 applied. [2] x Correlation Coefficient: 1.0000 Slope: 0.0083

========= ==================o=:========= = =!====z2==:====o=i== = =: = z2zz===========;==z=====c5========5

Element: Se Seq. No.; 3 AS Loc.: 38 Date: 09/27/2001 San^jle ID; S4 fih dispensed: 22 from 36, 5 from 37, 8 from 38 fiTj dispensed: 22 from 36, 5 from 37, 8 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # IJ’g/l^ M3/L Signal Area Height Area Height Stored 1 0.033 0.032 0.050 0.026 0.021 16:53:39 No Standard number 2 applied. [4] Correlation Coefficient; 1.0000 Slope: 0.0083

Page 25

NYC-WTC_000065281

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NYC-WTC_000065281Source: NYC Law Department, mirrored locally

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