GCMS analysis results for sample AE09153, May 2002

NYC 9/11 Public Portal Document 2

Data File : C:\MSDCHEM\l\DATA\020424\09152.D Vial: 21 Acq On : 25 Apr 2002 5:30 am Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020424.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1

Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

6.16 14.62 ug/1 18076700 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 83 2 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 64 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 4 2-Pentanone, 4 -hydroxy-4 -me thyl- 116 C6H1202 000123-42-2 9 Abundance Scan 524 (6.158 min): 09152.D (-520) (-) m/ z 43.10 100.00% 43

5000 59

101 580 6 00 6.20 6.40 6.60 ............. 3^ I 53 . i 1 ' 67 83 ‘ ' i ■ 1 ■ ■ i '' ■ ■ ■ 1 1 m/z 59.10 47.53% i ' ' ' ' i ■ 1 ' ' i 1 ' ' 1 i 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 4(3

5000 59 580 6.00 6.20 6.40 6.60 m/z 58.10 19.23% 15 31 101 . 26,1 , 38,1 +53+ — ———————— , I— 83 —————— m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5 80 6.00 6.20 ' 6.40 ‘ ' 6.60 5000 m/z 101.10 17.42% 59

/z—> -244139+ 10 20 30 40 1———4+ 50 60 A3 83 — 93 101 । i ■ ■ ' ■ i 1 ■ ' ■ i ' ' ■ ■ i ■ ' ' 1 i ' 1 ' 70 80 90 100 ' i 1 110 Abundance #109590: Acetic acid, 1,1-dimethylethyl ester । । . । . > . ■ । IUIT । । । । । । 4 580 6.00 6.20 6.40 6.60 m/ z 41.15 6.78%

5000 57

29 101 15 m/z-> --- 10 20 10111,139,1 30 40 —51 50 60 'I'1 ■ ■ ■ | 70 73 80 । " i ' ' " i 1 ' " i 1 90 100 110 1—n—nT—TTRTT 5.80 6.00 6.20 6.40 6.60

09152.D SCAN020424 .M Fri May 03 10:59:25 2002 Page 5

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