GCMS Method 508 scan results, April 2002

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'Data File : C:\MSDCHEM\1\DATA\020419\08487.D Vial: 24 Acq On : 20 Apr 2002 6:46 am Operator: Nefliu Sample : sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020418.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 5 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

6.15 11.38 ug/1 14992900 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 3 Acetic acid, cyano-, 1,1-dimethy... 141 C7H11NO2 001116-98-9 12 4 Morpholine, 4-methyl- 101 C5H11NO 000109-02-4 9 Abundance Scan 524 (6.158 min): 08487.D (-520) (-) m/ z 43.10 100.00% 43 59 5000 101 5.80 6.00 6.20 6.40 6.60

miz-> ol -3544 +51+ 11PPIPp +—+ 69 83 10 20 30 40 50 60 70 80 90 100 110 120 130 140 i ■ ■'11 m/ z 59.10 52.84% Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.80 6.00 6.20 6.40 6.60 m/z 101.10 21.55% 31 m 83 93 101 — 1 O+ ■ ■ i ■ ■ ■ ■ i111111, 1 r’l ''■■■ I I ■ ■ ■ ‘ I 11 ■' i ' ' ■ • i ■ '' 11 ' ' ' ■ i ' ‘‘ i ■ ■' ' i ' ‘ ‘ i' 1 ‘ ‘ i rnfz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 ■ ■ i • ■ ■ ' । • ~ । 1 । 1 ' । ' 5.80 6.00 6.20 6.40 6.60 5000 59 m/z 58.10 20.40%

15 31 101 0! '' I rtrt —l -450+ 83 'l " " I " " I''' " l " ■ 111 ■ > ■ । ■ i • ■ > ■ । ■ i • > • ■ । niz- > 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #19572: Acetic acid, cyano-, 1,1-dimethylethyl ester 1 ‘ I 1 1 1 1 I ■ 1 ■ ■ i ■ ■ 59 5.80 6.00 6.20 6.40 6.60 m/z 41.15 7.26% 5000 41

68 126 142 0 ‘ i'' ' ■ i' TIH । ■ ■ ■ ■ । < ■ • > i ■ ■ I ■ । i' ■ • ■ i ' I ' ' 1 1 1/7/14 । ■ ■ । i । । . . । । i n/z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 5.80 6.00 6.20 6.40 6.60

08487.D SCAN020418.M Mon Apr 29 08:36:51 2002 Page 23

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