GC/MS analysis results, sample AE10850, May 14 2002

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Data File : C:\MSDCHEM\l\DATA\051302\10850.D Vial: 15 Acq On : 13 May 2002 10:55 pm Operator: Mclean Sample : 5/9 kb 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 4 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.97 18.55 ug/L 13562100 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4 -methyl- 116 C6H12O2 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4 -methyl- 116 C6H12O2 000123-42-2 64 4 Acetone____ 58 C3H60 000067-64-1 38 Abundance Scan 492 (5.970 min): 10850.D (-482) (-) m/z 43.10 100.00% 43

5000 59 101 560 5.80 6.00 6.20 6.40 i .371 .............. 53, 65 71 77 83 . | 117 125 m/z 59.10 30.50% 01 . |. . i r "TIE +r "IT . ... I :I .'r. IT ■ 1 ‘ i 1 ■ 1 ■ i 1 ' 1 ■ i 1 ■ 1 ■ i ■ miz-> 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 22.91% 15 31 101

iz-> I 01 ————— 10 20 25,, । 37, 1 30 40 50 ————— +53+ 83 , | 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 5000 m/z 101.10 12.10% 59

93 83 93 101 — j m/z-> 0! .10.....20 2531.97, 30 40 TTH+ 50 60 I ■ ' ■ ' i ' ■ ' ' i ■ ' ' ‘ i ■ ‘ ' 1 i 1 ' ' 1 i ' ' ' ■ i 1 70 80 90 100 110 120 130 ' i '

Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- rn i ' 1 1 1 i 1 43 5.60 . 5.80 6.00 6.20 6.40 m/ z 41.15 5.61% 5000 59 37 — 101 0 0 27J’ M44 53 —4 67 77 83 91 , | I 1 ■ ' 1 i ■ ■ ■ ' i 1 1 ■ ■ i ' 1 ' 1 i 1 ■ ■ ■ i ■ ■ ' ■ i ' ■ ' ' i ' ' TT—mTTurft m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

10850.D 050102.M Tue May 14 11:44:42 2002 Page 7

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