Asbestos lab analysis batch results, Dec 4 2001

NYC 9/11 Public Portal Document = = = = = = =: = = =s = = = = =: = = =; = = = = = s; = = = =:=: = = = sz= = = = =:£= = = = =:=: = = s

Element: As AS Loc.: 29 Date: 12/04/2001 Sample ID: 28163 fill dispensed: 10 from 36, 5 from 37, 2 0 from 2 9

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /ig/L /zg/L Signal Area Area Stored 1 -0.321 -0.321 0.004 0.002 0.028 19:07:02 No

Element: As AS Loc.: 30 Date: 12/04/2001 Sample ID: 28164 fill dispensed: 10 from 36, 5 from 37, 20 from 30

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /ig/L /zg/L Signal Area Area Stored 1 -0.087 -0.087 0.005 0.004 0.014 19:09:48 No

Element: As AS Loc.: 30 Date: 12/04/2001 Sample ID: 28164 fill dispensed: 5 from 37, 10 from 38, 2 0 from 3 0

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /zg/L gg/L Signal Area Area Stored 1 20.06 20.06 0.110 0.108 0.024 19:12:31 No Recovery is 100.3%

;====: Element: As AS Loc.: 31 Date: 12/04/2001 Sample ID: 28164dup /zL dispensed: 10 from 36, 5 from 37, 20 from 31

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # Signal Area Area Stored 1 -0.376 -0.376 0.004 0.002 0.017 19:15:17 No

Element: As AS Loc.: 31 Date: 12/04/2001 Sample ID: 28164dup /zL dispensed: 5 from 37, 10 from 38, 2 0 from 31

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /tg/L /zg/L Signal Area Area Stored 1 20.36 20.36 0.111 0.110 0.022 19:18:03 No Recovery is 101.8%

= = = = = =: = = = = = = = = z= = = = = z= = = =: = =: = = zz = = = = = = =z = = = = = = = = zz = =

Element: As AS Loc.: 2 Date: 12/04/2001 Sample ID: ipc fill dispensed: 10 from 36, 5 from 37, 20 from 2

Repl SampleCone StndConc BlnkCorr Peak Bkgnd Time Peak # /ig/L gg/L Signal Area Area Stored 1 20.09 20.09 0.110 0.108 0.022 19:20:43 No QC value within specified limits.

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