GCMS analysis results for sample AE10899, May 21 2002

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\l\DATA\051602\10899.D Vial: 12 Acq On : 16 May 2002 11:30 pm Operator: Mclean Sample : 5/10 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 5.97 16.69 ug/L 13696200 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qua.

1 2-Pentanone, 4 - hydroxy -4-methyl- 116 C6H12O2 000123-42-2(90 2 2 -Pent anone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 72 3 2 -Pent anone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 4 Acetone____ 58 C3H60 000067-64-1 32 Abundance Scan 492 (5.970 min): 10899.D (-484) (-) m/z 43.10 100.00% 43

5000 59 101 560 5.80 6.00 6.20 6.40

m/z-> 01 ---------344 10 20 30 40 1-48,53+ 50 60 70 69 83 J I ■ 1 ■ ■ i ' ' ‘ ' i ' ' ■ ' i ■ 1 ' 1 i 1 ■ ■ r i ' 80 90 100 110 m/z 59.10 33.18% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

- 5000 59 5 60 5.80 6.00 6.20 6.40 m/z 58.05 22.54% 15 21 101 1 1 1 1,1 1 i 1 1 1 1 i ' ' 1 1 1 +53+ I ' ' ' ' I ' ' 1 ' I 01 . 26, 1 , 381 83 ' I ' ' ' ,1 I I ' ' ' ' I ' m/z-> 10 20 30 40 50 60 .70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 5000 59 rn/z 101.10 12.70%

93 93 101 — m/z-> 01 ...... 10 ,20 29,31.38,1 30 40 +PTTH+ 60 50 70 80 83 90 । 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 6.40 m/ z 41.10 5.88% 5000 59 101

n/z-> 0 ............ 2732 38,1 ’ I’’ I ........ I 1 1 1 1 1 1.48 53, I 1 ' ■ ■ i ' ■ ' ' i ' 1 1 1 1 1 1 1 ' r' 1 ' 1 1 1 10 20 30 40 50 67 72 77 83 91 96, | 4 ) M, . 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

10899.D 050102.M Fri May 17 15:07:28 2002 Page 6

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