GCMS analysis results, sample AE12323, June 2002

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Data File : C:\MSDCHEM\1\DATA\052902\12323.D Vial: 11 Acq On : 29 May 2002 6:14 pm Operator: McLean Sample : gc/ms scan 5/24 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 10 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.93 11.52 ug/L 7449590 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Q

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2/72 4 Acetone 58 C3H60 000067-64-/ 32 Abundance Scan 485 (5.929 min): 12323.D (-479) (-) m/z 43.10 100.00% 43

5000 59 101 5.60 5.80 6.00 6.20

miz-> ............................. .. 01 ' ‘ i ■ ■ ■ • i ■ ■ • ■ I ‘ '111 ‘ 10 20 30 40 +53+ 50 65 83 ,| 117 125 ‘ i' ' ■ ■ i • • ■ ■ i 1 • ■ ■ i ■ ■ •111 ■ ■ ■ i' ■ ■ ■ i ■ ■ ■ ■ i • ■ 60 70 80 90 100 110 120 130 m/z 59.10 33.12% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 4

5000 ’*I***114’ ITt TT’1 * » ■ » I 59 5.60 5.80 6.00 6.20 m/z 58.10 19.26% 15 101

m/z-> — 31 01 • ■ i •+1,12517, 374+ 10 20 30 40 +53+ 50 83 , I I ■ • ■ ■ i ■ ■ 1 ■ i 1,1 ■ ■ i ■ ■ ■ 1 i 1 ■ ' • I ■ ■ ■ ■ i 1 ■ • • i ■ 1

60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 TTTrTT— TTTTt 5.60 5.80 6.00 6.20 5000 m/z 101.10 12.99% 59 101 27 53, 37 67 77 83 91 , | m/z-> Ot 00* 10 20 .11/ 30 M/ 40 —IT 50 60 70 80 ■ ■ i ‘ 90 100 110 120 130 ■ i ■ ' ■ ■ i ■ ■ ■ 1 i 1 ■ ■ ■■ i 1 ■ ' ■ i ■ ' ■ ■ i ■ ■

Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 ‘ ' m/z 41.05 5.32% 50001 59

pa — 101 O 83 93 | PITH rl ■ 1 ' 11 ■ • ' ■ i ■ 1 ■ ■ i' ■ ‘1 i1 1 ■ • 11 11 11-11 1' 11 1 ■ ■ i 1 1 ' ' i 1 ' ■ ■ i ( 1 ■ 1 i ■ ■ ■ 1 f iz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20

12323.D 052202.M Mon Jun 03 10:50:57 2002 Page 13

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