GCMS analysis results for sample AE12472, June 2002

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Data File : C:\MSDCHEM\l\DATA\052802\12472.D Vial: 10 Acq On : 28 May 2002 9:38 pm Operator: McLean Sample : 5/24 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan **** Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 12 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.93 12.51 ug/L 7689720 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 86 2 2-Pentanone, 4 - hydroxy-4 -methyl - 116 C6H12O2 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 72 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 Abundance Scan 486 (5.935 min): 12472.D (-476) (-) m/z 43.1.0 100.00% 43

5000 59 —r ■ i । i । . p , ATi pop r i । 101 5.60 5.80 6.00 6.20 ____ 53,, 69 83 , | 119125 Ot 17111101137 Burp r’l i ‘1 ■ ■ i ■ ‘ ■ ■ i ■ ■ । • ■ ■111 ■ • ■ । ‘ ■i•■i■ m/z 59.10 33.43% niz-> 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 m/z 58.10 21.11% 15 101 01 TTUtttnv 2513] 37,1 +53+ •119] 83 7 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.80 5.80 6.00 6.20 5000 m/z 101.10 13.07% 59 101 0- . ..... .27 37 —THr 53. 67 77 83 91 , | ■ ■ i ■ ■ ■ • i ■ ■ ■ ■ i ■ ■ ■ ‘ i1 ■ ' ■ i ■ ■ ■ ■ i ■ ' ■ ■ i ‘

n/z-> 10 20 30 40 50 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 m/z 41.05 5.50% _____ __ - , . . 5000 59

37,1 ' ■ ■ r- ........ .—030271173 93 83 93 101 no | 0 111111119 1 ‘ । 11 1 ■ i ■ ■ ■ ■ i • • ■ 1 i1 • ■ • i ■ ■ ‘ • i 1 ■ ■ ■ i ■ ■ ■ ‘ i ■ ■ • ' । ■ ' • ■ । —*—GB——FTT m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20

12472.D 052202.M Thu May 30 10:41:58 2002 Page 15

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