GCMS analysis results for sample AE11158, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\020515\11158.D Vial: 10 Acq On : 15 May 2002 8:43 pm Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 17.97 ug/1 1268670 1,4-Dichlorobenzene-d4 11.38 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2 - Pent anne , 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 3 2 - Pent anone , 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 56 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 Abundance ! Scan 523 (6.152 min): 11158.D (-518) (-) m/ z 43.10 100.00% 43

59 5000

101 • ‘ । • -r r > ■-t' > i * IICTTTTTTT 580 6.00 6.20 6.40 ’ ’’I’ 83 121............... 285 I1 1 ' 1 1 11411’14 * I' . . . । « । । । । . । . b > . ! । । । । । . i II’ > . . ] . i i i । i । । m/z 59.10 53.06% z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ■ ■ i • > • ■ | ■ ‘ r i ' ' 1 ' i ■ 59 5.80 6.00 6.20 6.40 m/ z 58.10 20.58% 15 101 .4, 28 . + 83 J I ■ ' ' ' i ■ 1 ''i 11 ‘1 i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i 1 ■ 1 ' 1 1 ' 1 1 I 1 1 1 1 i 1 1 1 1 11 1

mlz-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5.80 6.00 6.20 6.40 5000 m/z 101.10 16.71% 59 27 — 101 83 J , , ■ , । 11 H r TTTT Tl/Z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- । i ! । । । i । । । "r । । . ’17 | . i , , । , 43 580 6.00 6.20 6.40 m/z 41.10 7.33%

5000 59

83 101 1 27 14111, r„1 Tim • r* ■ • ‘ p *' * । * * m । * ■ ■ ■ । ■ ■1 * । ■1111 *1 * * । * * * ■ ।1 * * * ।11111 * ■ TT—TpT /z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 5.80 6.00 6.20 6.40

11158.D SCAN020507.M Thu May 16 09:53:06 2002 Page 3

NYC-WTC_000024671