GCMS sample analysis results, AE11906, June 3, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11906.D Vial: 13 Acq On : 22 May 2002 11:36 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 *6 Library : C:\DATABASE\NIST98.L Peak Number 11 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.94 11.74 ug/L 9125260 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H1202 000123-42-2 90 2 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 486 (5.935 min): 11906.D (-480) (-) m/z 43.10 100.00% 43

5000 59

101 ■ • i ' ■ ■ 1 i ■ 1 ■ ■ r1 1 1 1 i 1 1 1 1 i 5.60 5.80 6.00 6.20 0 ....... 381 +48,53+TTT ■ ■ i • ■ ■ ‘ i ■ ' 1 ■ i 1 1 1 ' t 1 69 83 , | ‘ i ■ ' ■ • i ■ 1 ■ ‘ i ■ ■ • 1 1 1 ' ■ ■ i ■ m/z 59.10 39.72% n/z-> 10 20 30 40 50 ।60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.60 5.80 m| 6.00 6.20 | m/z 58.10 21.85% 15 101 Of 11111’ , , , 26,31 . 38,1 +53+ —1—TTT 83 - miz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 40 ■ ' i • ' ‘ J • | | 5.60 5.80 6.00 6.20 50001 59 m/z 101.10 15.85%

P 31 . 62 — 101 Of m 26,1,1, ■ 38,1 I' 83 93 । I ■ ■ ■ ■ i ■ • ■ ■ i ■ ‘ ■ ■ i ■ ■ ■ 1 i ■ ■ ■ ■ i ■ miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ----- 43 5.60 5.80 6.00 6.20 m/z 41.10 6.46% 5000 59 101 0- ...., 27.32 38,1 +48,53+ 11* 67 72 77 83 91 96, । 11 I 1 1 1 1 1 1 1 1 1 i 1 1 ' > r< miz-s 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20

11906.D 052202.M Tue May 28 12:13:24 2002 Page 14

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