GCMS analysis results for sample AE11283, May 2002

NYC 9/11 Public Portal Document LIbrary bearen compound Report

Data File : C:\MSDCHEM\l\DATA\020516\11283.D Vial: 11 Acq On : 16 May 2002 7:15 pm Operator: Nefliu Sample : sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e

Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

6.16 21.22 ug/1 1081660 1,4-Dichlorobenzene-d4 11.38

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 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 4 2-propanol, 2-methyl- 74 C4H10O 000075-65-0 23 Abundand Scan 524 (6.158 min): 11283.D (-515) (-) m/z 43.10 100.00% 43

59 5000

101 v' I 1 1 TTIBmmdom 69 77 83 , | 5.80 6.00 6.20 6.40 6.60 .......................... 38,1 1. 53 ' I ' ■ ' ' i ■ 1 ■ ' i 1 ' i ' ■ ' 1 i ' ■ ' ■ i 1 m/z 59.10 50.48% n/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 580 6.00 6.20 6.40 6.60 m/z 58.10 20.17% 15 101 ' 'T' ‘ 111 26,31 , 38,1 t 1+ 53 83 | I 1 ' 1 ■ i 1 1 ■ 1 i 1' ■ ■ ' i ■ ■ ■ 1 i ' 1 1 1 | ' /z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 580 6.00 6.20 6.40 6.60 5000 59 m/z 101.10 16.58%

92 — 93 101 mz-> . —.... 29,71. 10 20 30 40 1I——4+ 50 60 70 80 83 90 | 100 110 Abundance #109592: Acetic acid, 1,1-dimethylethyl ester 4)3 580 6.00 6.20 6.40 6.60 m/z 41.10 7.26% 5000 57

29 101

m/z—> ■ 1 i

10 ... ■

20 1,, 3,40T Hi '5050!■•■ 60 1

30 'I'1 ‘ 78 | ' i ' 1 ' ■ i ' ' ' 1 i ■ 1 1 1 I ' 1 1 1 1 1 70 80 90 100 110 TP—mmP" 5.80 6.00 6.20 6.40 6.60

11283.D SCAN020507.M Fri May 17 13:03:23 2002 Page 3

NYC-WTC_000024571