GCMS analysis results for sample AE11382, May 22 2002

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Data File : C:\MSDCHEM\l\DATA\051702\11381.D Vial: 8 Acq On : 17 May 2002 6:29 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 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.97 18.18 ug/L 16995000 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2.8 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 4 Acetone______ 58 C3H60 000067-64-1 32 Abundance Scan 493 (5.976 min): 11381 .D (-485) (-) m/z 43.10 100.00% 43

5000 59 1 i 1 1 1 1 I 1 1 1 1 I । । । । । । । । 101 5 60 5.80 6.00 6.20 6.40 ..............................37, 53 69 77 83 , | 117 125 0 Inu 110’0/ ' ■ ■ ■ l ■ ■ ■ ■ । । । 1 i । ■ r111 । । । । । । । । , । । । । । । i m/z 59.10 34.19% n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 A Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 560 5.80 6 00 6.20 6.40 m/z 58.10 21.55%

m/z-> 0 1 ' [I 10 1520 — 31 _ 25, I 37, |, 53, | I I ’I ! I |1 | 1 I tPH4 30 40 50 83 101 . | I ' ' ■ 1 i ■ ' ' 1 i 1'1 ■ 1 i 1 1 1 1 i 1 ' ■ ■ i ' 1 1 1 1 1 11 1 1 1 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 59 m/z 101.10 13.63%

04 83 93 101 | 01 ............. .. +r ■ । I ■ ' ■ ■ i ■ ■ ■ ■ i ■ 1 ■ 1 1 1 ' 1 1 r1 1 1 1 I 1 1 1 1 1 1 1 r1 1 1 1 Tl/Z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/z 41.10 5.72% 5000 59 — 101 0 _..... 27.137,1 +4 53 67 77 83 91 | -

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

11381.D 050102,M Tue May 21 14:25:21 2002 Page 4

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