GCMS analysis results for sample AE11281, May 2002

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Data File : C:\MSDCHEM\1\DATA\020515 11281.D Vial: 15 Acq On : 16 May 2002 1:38 am 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.

6.16 23.99 ug/1 1875430 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual J l 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 2 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H1202 000123-42-2 40 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 36 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 524 (6.158 min): 11281.D (-516) (-) m/ z 43.10 100.00% 43

59 5000

101 67 73 580 6.00 6.20 6.40 6.60 .................. 37 1) —53, . 83 . I 116 I 1 । 1 1 । । 1 1 1 । 1 > 1 1 | : I ‘ ' ■ I1 ' I ' I 1 1 1 '■ I 1 1 1 1 I1 1 ' 1 1 ' 1 ' 1 1 1 1 m/z 59.10 50.70% n/z—> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.80 6.00 6.20 6.40 6.60 m/ z 58.10 19.14% 101 25, 31I _ 15 _ n/z-> TII— 10 20 37, |, 30 40 50 +53+ 60 83 , I i ■1 ■ ■ r11111'''11111111111111111111 70 80 90 100 110 120 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 > ■ i ■ > • 1 i ■ 1 । • । 1111" i" । । i-| । 5.80 6.00 6.20 6.40 6.60 5000 m/z 101.10 17.38% 59

93 93 101 — Tl/Z-> — 10 .... 20 2 5.31,37 30 40 83 1TT—* *lttd/1//m/—nEndTT3ui 50 60 70 80 90 1 100 110 120 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 580 6.00 6.20 6.40 6.60 m/z 41.10 7.20% 5000 59 101 27 53 67 37 77 83 91 . | -..... 41, Mil + I ■ ■ ■ ■ i ' ■ ' ■ i 1 ■ ' ' I ' 1 1 1 r' 1 ' 1 1 1 1 1 ' p1 1 T | ' 1 , , , r . । , , "FTT TTT n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 5.80 6.00 6.20 6.40 6.60

11281.D SCAN020507.M Thu May 16 10:00:58 2002 Page 3

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