GCMS analysis results for sample AE11410, May 22 2002

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Data File : C:\MSDCHEM\1\DATA\051702\11409.D Vial: 12 Acq On : 17 May 2002 9:45 pm Operator: Mclean Sample : 5/15 ad 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.97 15.32 ug/L 11887400 1,4-Dichlorobenzene-d4 9.93 Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 2 2-Pentanone, 4 -hydroxy-4 -me thyl- 116 C6H12O2 000123-42-2 3 2 -Pent anone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 4 Acetone____ 58 C3H6O 000067-64-1 32 Abundance Scan 491 (5.964 min): 11409.D (-485) (-) m/ z 43.10 100.00% 43

5000 59 .......... — 101 560 5.80 6.00 6.20 6.40 01 -----34 +-.48,53 1 67 73 83 gg | 1 i ■ ' ■ ‘ i ■ ' 1 1 i ' ' ' ' I ' 1 ' ‘ i 1 ' 1 ‘ i 1 m/z 59.10 32.33% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 560 5.80 6.00 6.20 6.40 m/z 58.10 23.69% 15 31 101 01 . 26,1,38,1, , , , 53, 1 1 I 1 1 1 > I ' 1 I I I I > ‘ I I I 17111d 83 , 1 m/z-> 10 20 30 40 50 60 70 . 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

560 5.80 6.00 6.20 6.40 5000 m/z 101.10 12.53% 59 101

m/z-> 01 . . 10! -47,32 20 30 40 48 53 —1+ 50 I

60 671 i 72' ' 77 ' 1 ■

70 83 91 96, | r ■ i ‘ ' 1 1 i 1 ‘ ■ 1 i 1 ■ ' ' i ■

80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 6.40 m/z 41.15 5.51% 5000 59

— 31 — 63 — 93 101 m/z-> 0 -24438,4 10 20 30 40 1 '"I ' ''I 50 60 70 80 83 90 | 100 110 TmrmRTTTTTTT’ 5.60 5.80 6.00 6.20 6.40

11409.D 050102.M Tue May 21 11:57:01 2002 Page 5

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