Selenium (Se) laboratory analysis results, Oct 2001

NYC 9/11 Public Portal Document = aS5S = SSB=SSS:ZS8SS = S5S8BS=SS8SSS;SSSB = SeSSS=SSSSS8BSS = 8SSa5S=BSS:SSSSBS:SS = BS:B = SSS5B=ZSSSasSSS = SSS = S;sS3SSS = SSSSSS8

Element: Se Seq. No.: 122 AS Doc.: 30 Date: 10/05/2001 Sample ID: 24268 « dispensed: 10 from 36, 5 from 37, 20 from 30 /xL dispensed: 10 from 36, 5 from 37, 20 from 30

Repl Sait^jleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # gg/i* Signal Area Height Area Height Stored 1 0.257 0.2575 0.004 0.003 0.010 0.230 0.207 17:10:36 No

:888BBBS8BSB88BasS8B88SBBSBS8B8S8SSSBSSBBB8SBBS8888BSSB8B8B8BB8SSBB8SB8BS

Element: Se Seq. No.: 123 AS Loc.; 2 Date: 10/05/2001 Sanqple ID: IPC fill dispensed: 10 from 36, 5 from 37, 20 from 2 lilt dispensed; 10 from 36, 5 from 37, 20 from 2

Repl !Samplei::onc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # I /xg/L Signal Area Height Area Heightf ‘ ~ ’ Stored 1 I( 4.872 } 4.872 0.040 0.039 0.064 0.037 0.024 17:14:52 No QC valuia within specified limits.

Element: Se Seq. No.: 124 AS Loc.; 3 Date: 10/05/2001 Sample ID: CB ;zL dispensed: 10 from 36, 5 from 37, 20 from 3 lih dispensed: 10 from 36, 5 from 37, 20 from 3

Repl Saii5>leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /tg/i*- Mg/L Signal Area Height Area Height Stored 1 <5172781 ) 0.2781 0.004 0.003 0.012 0.022 0.014 17:19:05 No

Element: Se Seq. No.: 125 AS Loc.: 31 Date: 10/05/2001 Sample ID: 24287 fill dispensed: 10 from 36, 5 from 37, 20 from 31 fill dispensed: 10 from 36, 5 from 37, 20 from 31

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # gg/L Signal Area Height Area Height Stored 1 -0.288 -0.2885 0.000 -0.001 0.011 0.037 0.016 17:23:32 No

Element: Se Seq. No.: 126 AS Loc.: 32 Date: 10/05/2001 Sample ID: 24288 IMh dispensed; 10 from 36, 5 from 37, 20 from 32 dispensed: 10 from 36, 5 from 37, 20 from 32

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ms/l Signal Area Height Area Height Stored 1 -0.2464 -0.2464 0.000 -0.001 0.010 0.034 0.018 17:28:00 No

S8SBBBS88B8B8BS888BBBBSBBSS8BBBS8BSS88BSBS8BB8SBB8SaBBSBSBB8Ba88BBaBSSB8BB8S88SBBSBBBB8

Element: Se Seq. No.: 127 AS Loc.: 33 Date: 10/05/2001 San5)le ID: 24289 /xL dispensed: 10 from 36, 5 from 37, 20 from 33 lilj dispensed: 10 from 36, 5 from 37, 20 from 33

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 , -O.4915\ -0.4915 -0.002 -0.003 0.010 0.035 0.017 17:32:24 No

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