GCMS sample analysis results, AE11904, June 3, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11904.D Vial: 11 Acq On : 22 May 2002 9:58 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.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 1 R.T. EstConc Area Relative to ISTD R.T. 5.94 10.19 ug/L 7277890 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS#

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 Q 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 47 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88/5 25 Abundance Scan 486 (5.935 min): 11904.D (-480) (-) m/ z 43.10 100.00% 43

5000 59

101 • ' i * • ■ I 1 • < < P • * 1 i ' * ■ ■ । 5.60 5.80 6.00 6.20 0+ .' .................. . 1 53., 69 83 88 | ' p 1 1 1 p 1 1 1 p ' 1 ' r1 P*"") T1 1 1 r'l ' ' ' ' l ' ' • ' l ‘ r ' itt 1111 m/z 59.10 39.99% n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 .. । ।। ■ p.. p .»< p ... । 59 5.60 5.80 6.00 6.20 m/z 58.10 21.06% 15 31 101

niz-> 01 Pl 10 ...... 20 30 40 +53+ 50 —P—mPTT 60 70 80 83 90 100 | 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 5000 59 m/z 101.10 16.08%

. 26,31,38, i ■ ■ I ■ 63 83 . 93 101| 04 mfz~> 10 20 30 40 50 pi 60 I • ■ 1 ■ i ■ ■ ■ • i ■ ' ' 1 i •. ‘ ‘ 1 i ‘ 70 80 90 100 ‘ i 1 110 . y . , j .... । Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 m/z 41.15 6.52% 5000 59 101

miz-> 0 +11127,32 10 20 30 39,40 .1i48■50I'53,, 1'1 1 60 67 72 77 83 91 96, | 70 I 1 ■ ■ ■ P 1 ■ ■ i ' ■ ■ ' 7 ■ ■ ' 1 i 1 ■ ■ ■ i ■ 80 90 100 110 A ■ • । ‘ ‘ ■ ■ i ‘ 5.60 5.80 ‘ ■ i • ■ ■ 1 p 6.00 6.20

11904.D 052202.M Tue May 28 12:09:20 2002 Page 15

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