Antimony lab results, WTC samples, Nov 9 2001

NYC 9/11 Public Portal Document S8 = 8S^ae3SS^BSBC=t± = SBBSSa = BBSeSBSSB8 = S;SSSBSSa3SSBB = SSSBBSSSaSESSBSaBSSGBe38Sa:sS8SSSS3SBBSSSSas=SSSB8SS = S

Element: Sb Seq. No.: 28 AS Doc.: 9 Date: 11/09/2001 Sample ID: 25843dup fiXi dispensed: 15 from 36, 5 from 37, 10 from 38, 5 from 9

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L Mg/L Signal Area Height Area Height Stored 1 46.27 11.57 0.039 0.062 0.058 -0.002 0.017 10:52:32 No Recovery is 115.7% (outside of sgeiiCified limits)

88SS8S8888888BBSS88S8SaSSB888888881 :888B8888SS88SS88S8S888a8SB888S88S8888S8S8S888S8B8S8Sa

Element: Sb Seq. No.; 29 AS Doc.: 10 Date: 11/09/2001 San^le ID: 25844 (ili dispensed: 10 from 36, 5 from 37, 20 from 10

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/i* gg/i* Signal Area Height Area Height Stored 1 0.5005 0.5005 0.002 0.024 0.025 -0.001 0.014 10:55:15 No

Element: Sb Seq. No.: 30 AS hoc.: 11 Date: 11/09/2001 Sample ID; 25845 lih dispensed; 10 from 36, 5 from 37, 20 from 11

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/i* gg/i* Signal Area Height Area Height Stored 1 -0.3961 -0.3961 -0.001 0.021 0.022 0.002 0.012 10:58:01 No

Element; Sb Seq. No.: 31 AS Doc.: 12 Date: 11/09/2001 Sample ID; 25873 /iL dispensed; 10 from 36, 5 from 37, 20 from 12

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/i* /ig/L Signal Area Height Area Height Stored 1 0.1289 0.1289 0.000 0.023 0.022 -0.006 0.012 11:00:46 No

Element: Sb Seq. No.: 32 AS Loc.: 2 Date: 11/09/2001 San^jle ID; IPC /ill dispensed; 10 from 36, 5 from 37, 20 from 2

Repl ■ SampleConc/ StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /tg/L / /tg/L Signal Area Height Area Height Stored 1 10.89 10.89 0.037 0.059 0.056 -0.002 0.013 11:03:29 No QC value within specified limits.

BBaaaBBaaasaaaaaSBaBaaaaaBasBaaaBBaaaaaBaaaBsaaaaBaaBaBBBaaaBBaaaaBBaasBsaaasBBaaBasaas

Element; Sb Seq. No.: 33 AS Doc.: 3 Date: 11/09/2001 San^le ID; CB flit dispensed; 10 from 36, 5 from 37, 20 from 3

Repl SampleConcf StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/h J Mg/L Signal Area Height Area Height Stored 1 0.5888 0.5888 0.002 0.025 0.030 -0.005 0.015 11:06:06 No

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