Selenium lab results, WTC samples, Sep 25 2001

NYC 9/11 Public Portal Document :8S3&SS9 :s

Method Name: SeHGAP Element: Se •Method Description: Sehga SM3113 B

Date: 09/25/2001 Technique: Furnace Calibration Equation: Calc. Intercept: Linear Wavelength: 196.0 nm Slit Width: 2.00 nm Lanp Current: 0 Energy: 57 Sample Info File: Untitled Results Data Set:

= = = = = = = = = = = = C= = = = = = S= = a = = = = = Z= = = = = = = = = = C==! = != = = = Z=a = = = = = = = a = = = = CZ = = = Z=C= = = = = = = = CZ5= = = =!ao = = C2 = c= = = Sl=!t=

Element: Se Seq. No.: 1 AS Loc.: 36 Date: 09/25/2001 San^le ID: Calib Blank /xL dispensed: 10 from 36, 5 from 37, 20 from 36 /XL dispensed: 10 from 36, 5 from 37, 20 from 36

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /xg/L Signal Area Height Area Height** Stored 1 0.000 0.000 0.011 0.018 0.012 09:58:12 No Auto-zeri performed.

tS&SX3XS8S38aSBBBSSS8SBSSSSB:S8SSBB8BB88S3SSC5SSBeSSSSSS3BSB8aS8SSS3SSBS8SSCSSSBS38SSGSStSBS8SatSaB8CSa88BZS

Element: Se Seq. No.: 2 AS Loc.: 38 Date: 09/25/2001 Sample ID: S2 /xL dispensed: 26 from 36, 5 from 37, 4 from 38 lih dispensed: 26 from 36, 5 from 37, 4 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /xg/L Signal Area Height Area Height Stored 1 0.011 0.011 0.027 0.024 0.017 10:02:28 No Standard number 1 applied. [2] . Correlation Coefficient: 1.0000^ Slope: 0.0056

8S888BB888Ba888B888B888BSBS8a8a8888B88B8B88888a8SBB88888S88SaBB8B888B8888888BBaB8 888888

Element: Se Seq. No.: 3 AS Loc.: 38 Date: 09/25/2001 San^le ID: S4 /zL dispensed: 22 from 36, 5 from 37, 8 from 38 fill dispensed: 22 from 36, 5 from 37, 8 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /xg/L Signal Area Height Area Height Stored 1 0.029 0.029 0.054 0.020 0.021 10:06:51 No Standard number 2 applied. (4] t Correlation Coefficient: 0.9910 Slope: 0.0073

Element: Se Seq. No.: 4 AS Loc.: 38 Date: 09/25/2001 Sample ID: S6 lilt dispensed: 18 from 36, 5 from 37, 12 from 38 IJLli dispensed: 18 from 36, 5 from 37, 12 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # M3/L /xg/L Signal Area Height Area Height Stored 1 0.025 0.025 0.052 0.070 0.148 10:11:14 No No calibration bec£KlSe~Btan! rd abs. and cone, values are not in the same order. Standard lumber 3/not applied. ]

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NYC-WTC_000065270