Selenium lab results, WTC samples, Oct 12 2001

NYC 9/11 Public Portal Document SSBBSBSSBBSBSBBSSBSBSSSBBSSBBBSSSBSBBS:

Element: Se Seq. Ho.: 82 Date: 10/12/2001 AS Log.: 4 fj^mple ID: LFB * Illi dispensed: 10 from 36, 5 from 37, 20 from 4 Uli dispensed; 10 from 36, 5 from 37, 20 from 4

Repl San^leConc i StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # I Signal Area Height Area Height Stored 1 8.771, B.771 0.053 0.054 0.064 0.028 0.027 15:56:33 No QC valui within specified limits.

SBSSi8s=ssssaBBSBs:ssBBSsssssBS=ssBsssaaBcss3S8aBs:ssss=SB8as3&ssaBBa3assBSSsssssassasasaBSsasssB8ssssssssi«3ssss=s

Element: Se Seq. No.: 83 AS Log.: 5 Date; 10/12/2001 Sample XD: LRB Uli dispensed: 10 from 36, 5 from 37, 20 from 5 Uli dispensed: 10 from 36, 5 from 37, 20 from 5

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 0.2282 0.2282 0.002 0.003 0.011 0.009 0.011 16:00:48 No

Element: Se Seq. No.: 84 AS Log.: 6 Date: 10/12/2001 Sample ID: 24694 /xL dispensed: 10 from 36, 5 from 37, 20 from 6 fili dispensed: 10 from 36, 5 from 37, 20 from 6

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 0.9386 0.9386 0.006 0.008 0.016 0.033 0.017 16:05:04 No

Element: Se Seq. No.: 85 AS Log.: 6 Date: 10/12/2001 San^jle ID: 24694 lilt dispensed: 5 from 37, 20 from 6, 10 from 38 lih dispensed: 5 from 37, 20 from 6, 10 from 38

Repl Sati^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak « Signal Area Height Area Height Stored 1 4.46(y\ 4.460 0.027 0.028 0.047 0.038 0.023 16:09:19 No Recovery ^s 70.4

Element: Se Seq. No.: 86 AS Log.; 7 Date; 10/12/2001 Sample ID: 24694dup /XL dispensed: 10 from 36, 5 from 37, 20 from 7 fLli dispensed; 10 from 36, 5 from 37, 20 from 7

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 0.7170 0.7170 0.005 0.006 0.013 0.030 0.015 16:13:39 No

Element: Se Seq. No.: 87 AS Log.: 8 Date; 10/12/2001 Saitple ID: 24695 /XL dispensed: 10 from 36, 5 from 37, 20 from 8 fill dispensed: 10 from 36, 5 from 37, 20 from 8

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 0.228 0.2281 0.002 0.003 0.009 0.029 0.015 16:18:01 No

Page 13

NYC-WTC_000065360