GCMS analysis results, sample AE12479, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12479.D Vial: 21 Acq On : 30 May 2002 2:22 am Operator: McLean Sample : gc/ms scan 5/28 fb 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 12 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 5.95 0.84 ug/L 585291 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 40 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-525 4 2,3-Butanedione, monooxime 101 C4H7NO2 000057-71-6 9 Abundance Scan 489 (5.952 min): 12479.D (-483) (-) m/z 43.05 100.00% 43

5000 t

59 ■ ■ i ‘ ‘ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ 1 1 1 1 '' 49 101 5.60 5.80 6.00 6.20 35 83 0+ —T—pt+ melaHla p TBU—BmTT m/ z 59.10 25.85%

L miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 -A— 1 ■ i 1 5.60 5.80 6.00 6.20

y. 59 m/z 58.10 16.68% 27 37 . 101 01 -7 53 ’ 67 77 83 91 , | I 1 1 ■ ■ i ■ ■ ■ ■ i ■ ■ ■ • i ' 1 ■ 1 i 1 ■ ■ ■ i ■ ■ ‘ ' i • • miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 —A44i rTA, A*, p 5.60 5.80 6.00 6.20 5000 m/z 101.00 11.21% 59

15 31 101

miz-> ol 10 I 20 25,, । 37, ,, 30 40 50 +5*+ 60 83 T‘ * * • । ■ • > * । ''l 70 80 90 100 • i ' ' ■ । I 1 1 ■ ■ i • ■ 1 ■ i ‘ ■ 110 120 Abundance #5493: Acetic acid, 1,1-dimethylethyl ester ■ ■ i ' ■ ■ ■ i ‘ ‘ ■ i ‘ 1+1’’I’ 43 5 60 5.80 6.00 6.20 57 m/z 41.10 7.25% 5000 15 29 101 mopotu /z-> o- 1111 10 —20224430-34 +51 50I a 60 73 70 8040 ' i 1 ■ ■ ■ i ■ ■ ■ ‘ i ' 1 90 ' ' 1 1 ' ' 1 ! ' 1 ' 1 I ' 1 100 110 120 116 ‘ ‘ I ' ‘ ‘ ‘ I ' ‘ ‘ ‘ I ‘ 5.60 5.80 6.00 ‘ ‘ I ‘ ‘ 6.20 ' I '

12479.D 052202.M Mon Jun 03 11:41:56 2002 Page 15

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