GCMS results for sample AE11427, May 29, 2002

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Data File : C:\MSDCHEM\1\DATA\020521\11427.D Vial: 13 Acq On : 21 May 2002 8:13 pm Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020521.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 13.61 ug/1 998181 1,4-Dichlorobenzene-d4 11.38 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H12O2 000123-42-2 59 2 24Pentanone, 4-hydroxy-4 -methyl- 116 C6H12O2 000123-42-2 42 3 Adetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 4 Acetone___ 58 C3H60 000067-64-1 9 Abundance Scan 523 (6.152 min): 11427.D (-518) (-) m/z 43.05 100.00% 43

5000 59

101 ~■ 1 ii 1 ■ 1 1।1111 1 > i1 580 6.00 6.20 6.40 n/z—> ol , , , 35.1 +51+ 69 TH IITuuasdondu" *' "IIBA’I’**"/ 83 169 ’" 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 I m/z 59.10 49.82% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 1•ndn)——=—mOR——nmnumo 5.80 6.00 6.20 6.40 m/z 58.10 19.44% 15 31 101

rn/z-> 0) TTITNT — —++51+ 83 , | 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 ~। 1 f 1 1 1 • I' ‘ r 1 1 i ' 1 TTTT] 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 15.809

31 62 93 101 Of -MI+ —l— 83 । I ' 1 " I " ' ' I ' 1 " I ' " ' P" 'T " 1 1 1 " 1 I " IT! I r, I ! II i I , > i i | I ! miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #109592: Acetic acid, 1,1-dimethylethyl ester 43 ' ' I ' ' ’ ' I ' ' ' ' I ' trfrrue ' T'r 580 6.00 6.20 6.40 m/z 41.20 6.50% 5000 57 29 101

mfz-> 0 I ■ Ifl 111111, I rlls I r 7 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 TTr r re A Tmp r 5.80 6.00 6.20 6.40

11427.D SCAN020521.M Fri May 24 09:30:35 2002 Page 3

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