GCMS analysis results for sample AE09334, May 2002

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Data File C:\MSDCHEM\1\DATA\050202\9334.D Vial : 12 Acq On 2 May 2002 8:38 pm Operator: Mclean Sample 4/29 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 3 2-Pentanone, 4-hydroxy-4-me. . Concentration Rank 1

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

5.98 10.85 ug/L 7654990 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42- 90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 3 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 4 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-8 36 Abundance Scan 494 (5.982 min): 9334. D (-483) (-) m/z 43.10 100.00% 43

5000 59 ! | t i i i । i i < 1 i । i i i I | i I i > | i i 101 560 5.80 6.00 6.20 6.40 ..............................37, । i 53, 69 83 , I 125 1 1 I ' PTi 1 ■ • ■ i ■ 1 11 1 1 1 1 1 ITT*- 1 i 1 r 1 ■ i ■ 1 । ph m । । r । । । । । । । । । i i m/z 59.10 38.01% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 4(3

5000 11’1 7 i | 1 I I I [ I । t i | I i i i | 1 । 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 21.86% 15 101 1 i 1 25 31 371 1 1 i' ' ' 1 1 1 1111 53, 1 ‘i 83 , I ’ | 11■■i1 1 1 1 i 11 1 1 I' 11 'i11 1 1 I 1 1 1 1 i ' 1 1 1 i ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 ...... I k....... i f l 1 ] 1 1 t I I 1nBk I 1 I I > I I 1 5.60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 15.66%

QQ 101 ........ 25,31 37,1 • ' i 1 ' 1 ' i ‘ ' 1/1/1 1 ' 1 i1 TTTT 83 93 | m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- ......................... 43 5.60 5.80 6.00 6.20 6.40 m/ z 41.20 6.33%

5000 59 101 ..........27 Ml" 37 53 +TH 67 77 83 91 , I tfd" 11 r it । 1,1 । fr r 1 /z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

9334.D 050102.M Mon May 06 13:58:38 2002 Page 6

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