GCMS analysis results for sample AE10305, May 2002

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Data File C:\MSDCHEM\1\DATA\050802\10305R.D Vial: 26 Acq On 9 May 2002 12:56 pm Operator: Mclean Sample re-inj Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 6 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.97 14.34 ug/L 11636500 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2 72 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4 -methyl- 116 C6H1202 000123-42-254 4 Acetone 58 C3H60 000067-64/1 32 Abundance Scan 493 (5.976 min): 10305R.D (-486) (-) m/z 43.10 100.00% 43

5000 59 , ................ IV,,,......... , 101 5.60 5.80 6.00 6.20 6.40 Ot .' 1............ 37 4 53 । 1 । ‘ । 1 1 i ' 1 1 111 I ' I M’l 69 I ■ ■ 1 ■ i ■ । 83 ■ - । , | ■ I ; i । । 119125 । ■ i । । I ■ । i । I i m/z 59.10 33.08% 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 5.60 5.80 6.00 6.20 6.40 m/z 58.10 21.84% 15 101 Ot 25,31 37tH 1—— +53+ 83 , I ■ i *11111 * * 1111111' i1110171 11111 .11111 । 111111 n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 4[3

5.60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.31%

92 — 93 101| m/z-> 0/ ...... 10 20 25131,37, 30 40 50 1 " I ' II’**I****11*’/’I* 83 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 41.15 5.56% 5000 59 - - r 27 37 101 53 67 77 83 91। । > I, । | । < 1 ' । । । i i | i । । < ) i i 0 0 11,1)1 Ml +T+ । | 1 1 । । | < > > i । । /z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

10305R.D 050102.M Thu May 09 13:51:05 2002 Page 9

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