GCMS analysis results, sample AE09151, May 2002

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Data File : C:\MSDCHEM\1\DATA\050902\9151.D Vial: 18 Acq On : 10 May 2002 5:58 am Operator: Mclean Sample : 5/8 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.97 15.27 ug/L 15479500 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42- 90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 Abundance Scan 493 (5.976 min): 9151.D (-483) (-) m/z 43.10 100.00% 43

5000 59 101 5.60 5.80 6.00 6.20 6.40 69 77 83 J 125 01 ■. । -1 " ■ i ■ 374,4 Hi ' l 53, 1‘l m/z 59.10 35.19% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 560 5.80 6.00 6.20 6.40 m/z 58.10 22.92% 15 101 ol — 2531 37,1 53, 83 , I । ' ' 1 1* 11 ' I ' l 1 I ' ' I l‘‘ ' I I 1 1 1 1 I I ‘ ' I ' ' ' ' I 1 ' ' ' 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 5000 m/z 101.10 13.68% 59

........25,31 37,1 92 93 101| 83 — ol । 1 । 1 ' 111 1 1 1 1 rl 11 ' 1 1 — 4iI। । ■ i । 1 l ■ ‘ । ■ i > । ■ 1 i 1 ■ ■ ■ i ■ ■ ■ ■ i J ■ i ■ ■

n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- - 43 5.60 5.80 6.00 6.20 6.40 m/z 41.20 5.74%

5000 59

n/z-> 0 10 20 27 37 11,1/1 Ml 30 ’l Hi ' r'53-^ I 1 1 67 40 50 70 77 83 91 80 — 1 1 i 1 1 1 1 i 1 1 1 ' i ■ ' 1 1 i ' 1 ■ ' i ■ ' ■ ' i ■ ' 1 ' i ' 60 90 । 101 100 110 120 130 — 'J . 5.60 5.80 6.00 6.20 6.40

9151.D 050102.M Mon May 13 11:28:01 2002 Page 5

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