GCMS analysis results, sample AE12320, June 2002

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Data File : C:\MSDCHEM\l\DATA\052902\12320.D Vial: 8 Acq On : 29 May 2002 3:47 pm Operator: McLean Sample : gc/ms scan 5/24 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 10.93 ug/L 6879720 1,4 -Dichlorob'enzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-21 86. 2 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 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 000123-42-250 Abundance Scan 485 (5.929 min): 12320.D (-479) (-) m/z 43.10 0.00% 43

5000' 59 ' 1 1 1 • ' 1 i ■ ■ ■ ■ i ■ ■ ■ • i • • • • i 101 5.60 5.80 6.00 6.20 01 ............... . 1 +53+ 1 ■ i ■ ■ ■ ■ i ■ 1 • • i ■ ■ 1 [ 1 73 83 J 119125 1111 ‘ i1 ‘ ■ ■ i1 ■1 • i • ■ • ‘ i1 ■ ■ ■ i ■ ■ ■ ‘ i • ■ i ■ ■ m/z 59.10 31.91% mfe-> 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 58.05 21.49% 15 101 25,31 37, , 01 1 ■ i' X TTT .53 83 hi' i1 ! ■ ' ■ ■ i ■ • ■ • i • ■ i ■ --- miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 — ru-p-TV,-; i-i■ rTi ri crr 5.60 5.80 6.00 6.20 5000 m/z 101.10 13.11% 59 101 27 37 77 83 91 , | — 67 ............. 53 01 ■ ■ i • ■ ■ ■ i ■ ■ ‘ ‘ i 11 ■ 144 ■ ■ i ‘ ■ ■ i 1 ■ ■ ■ i ■ • miz-> 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 5.60%

5000 59

0 . 25,31,37, , 83 93 101 1 I ' ' •■i■• ■ ‘ i ■1 ■ 11'1 i1 ■ ■ ■ i•■‘ 11 ■ ■ ■ ‘ i ■ ■ ' ■ i ■ 1 ■ ■ i ' ■ ■ ' i ■ ‘ ■ i ■ ■ ■ ■ i miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20

12320.D 052202.M Mon Jun 03 09:39:04 2002 Page 15

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