GCMS sample analysis results, AE11907, June 4, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11907.D Vial: 14 Acq On : 23 May 2002 12:25 am 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 10 2-Pentanone, 4-hydroxy-4-me.. . Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.93 11.95 ug/L 6937990 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(83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 486 (5.935 min): 11907.D (-480) (-) m/z 43.10 100.00% 43

5000 59 101 ■ • i • • . • i ■ ■ ■ ■ । • j • i • ■ • . i 5.60 5.80 6.00 6.20 ............................ . 53,, ti i i 69 83 , r i i ■ Tr 0 —IH 1 | | i ■ ■ | । . i ■ m/z 59.10 38.62% nz-> 10 20 30 40 50 i60 70 80 30 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 1 ' I 1 ' 1 ' I 1 1 1 1 1** T ru ■ 1 ' i 59 5.60 5.80 6.00 6.20 m/ z 58.10 21.42% 15 31 101 ol . 26,31 . 381 +53+ * * j • 1 ■ 1 1 1 1 1 1 । । i । i 83 I |T r i > | 1 i i 1 | 1'1 m/z-> 10 20 30 40 50 60 70 80 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 16.46%

93 — 93 101| 01 .... ...... 26,3138 1 ■ i i 1 ' ' ' 1 1 1’1+14 । ■■i'i'i i . . i ■ 83 I ■ ' ■ 1 i ‘ • ■ ■ I ‘ 1 1 ■ i ■ ‘ ‘ 1 i 1 ■ ■ ■ i ■ nfe-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ‘ i 1 ‘ ■ i 4)3 5.60 5.80 6.00 6.20 .................................. ■

6.15% 5000 59 101

n/z-> 0 ... 77,32.38, +48,53+ 10 20 30 40 50 67 72 77 83 91 96, | I ■ ■ • ■ i ■ ■ ’ ■ i ■ ‘ ' ■ i ■ ■ ■ 1 i ' ■ ■ ■ i ■

60 70 80 90 100 110 ‘ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i • ■ 1 ■ i • ■ ■ • । 5.60 5.80 6.00 6.20

11907.D 052202.M Tue May 28 12:14:27 2002 Page 13

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