GCMS analysis results for sample AE12162, June 2002

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Data File : C:\MSDCHEM\1\DATA\052302\12162.D Vial: 15 Acq On : 23 May 2002 9:22 pm Operator: Mclean Sample : 5/22ad 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 10 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

5.94 4.15 ug/L 2533510 1,4 -Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 53 4 Acetone 58 C3H60 000067-64-1 32 Abundance Scan 486 (5.935 min): 12162.D (-479) (-) m/z 43.10 100.00% 43

5000 59 101 5.60 5.80 6.00 6.20 miz-> Or ■ ■10. ........ 20 11137,40 +53+ 30 50 60 83| I '' 1' 11 11 11 1'''' i1 1 ‘"''I 70 80 90 100 110 127 ■ ■ i ■ ■ ■ ' i ‘1 ‘ ‘ i1 120 130 m/z 59.10 31.34% Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 4)3

5000- IHBmmnmn—mkmntrk 5.60 5.80 6.00 6.20 59 m/z 58.10 20.22% 27 37 101 /z-> 0+ 10 20 30 $44 40 50 —534+ T' 1 67 60 77 83 91 , ‘'‘'I ' 1 1 ' 1’’’’ 1 1 1 1 1 1 I 70 80 90 100 | ‘‘1‘‘‘'I‘'‘‘I‘' 110 120 130 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 ' ■ । ‘ । ‘ i •' ■ ■ । ■ ■ • ■ । 5.60 5.80 6.00 6.20 5000 59 m/z 101.10 12.03%

93 83 . 93 101| Ot ... . mfz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 m/z 41.05 5.47% — 5000' 59

15 101 '' PH 2531,37, +534 83 | 0 "l ' ■ • ■ i ‘ ■ i ■ i ■ ■ ■ 11 1 ■ ■ ■ i ■ ■ • ■ i ■ ■ ■ • i ■ ''

n/z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20

12162.D 052202.M Wed May 29 09:55:13 2002 Page 12

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