GCMS analysis report sample AE09678, May 23, 2002

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Data File : C:\MSDCHEM\1\DATA\052102\9678.D Vial: 16 Acq On : 22 May 2002 1:33 am Operator: Mclean Sample : re-extract Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 9 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.93 10.64 ug/L 6199930 1,4 -Dichlorob'enzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qu.

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 90 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 50 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 485 (5.929 min): 9678.D (-480) (-) m/z 43.10 100.00%! 43

5000 59

101 5.60 •5.80Mm 6.00 6.20 69 83 ,| 01 ....... —T6/T/"IT +48,53+4 .................... I.dnIBTB ' i ■ ■ ■ ■ i • ■ ■ ■ i ■ ■ . ■ i ■ •1H'11111 m/ z 59.10 39.51% miz-> 10 20 30 40 50 ।60 70 80 50 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 ..... V...... 5.60 5.80 6.00 6.20 m/z 58.10 20.72% 15 101

iz-> Ol II! 4 Ir ■ 10 20 2631.39,1 30 40 +53+ 50 83 I I ' 1 111 i 1 1 1 1 i 1'' 1 1 i r 1 ' H1' 1 1 1 i 1 60 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 . ■ pr ■ ■ ■ s’s’ < ITUril nrin । 5.60 5.80 6.00 6.20 5000 59 m/z 101.10 15.06%

Of —231,39 —+ *11,*/n/n/n/m//monBBB 93 93 — 101| 93 —n/un nz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 m/z 41.15 6.47% 5000 59 m 101

n/z-> 0 112017,2 39,1 +48,53 ■T‘ 1 67■ . । 72। ■ 771 1 | 831 1 । ■ 91। i i96,. I |'i| । . । . 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20

9678.D 052202.M Wed May 22 11:43:29 2002 Page 12

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