GCMS analysis results for sample AE09336, May 2002

NYC 9/11 Public Portal Document

Data File C:\MSDCHEM\l\DATA\050202\9336.D Vial: 14 Acq On 2 May 2002 10 :16 pm Operator: Mclean Sample 4/29 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

5.97 11.35 ug/L 8704350 1,4-Dichlorobenzene-d4 9.94

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 56 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 493 (5.976 min): 9336.D (-486) (-) m/z 43.10 100.00% 413

5000 59 ‘I* ‘........... <.................... 101 il II ' ' ' I ~ 1 ' ' I ' ' ' 1 I I 83 , | 5.60 5.80 6.00 6.20 6.40 48 53 , ...................................... 38| tI4 69 /InII’ । I । । । < । ' ■ ■ ■ । ■ m/ z 59.10 41.47%| m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 । l । । । । । । i i । । i—r~। । i i t-gki 59 560 5.80 6.00 6.20 6.40 m/ z 58.10 20.39% 15 101 1/11 * 263] ,38,1 53 , Ii i । -r1111 । i i i i । । । i i । 1 83 i i । । । । I , I 1 i । । । r

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 m/z 101.10 17.25% 59

2 31 2 92 8.3 — 93 101 | ........ , 1 1 J IT I k I I 29 1 , 381 —-——4 I I | Dil I I | t

/z—> 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 6.40 m/ z 41.10 6.62%

5000 59 — 101 . . J J — r| I ! I I [ I ........... 27.32 38,1 , 48 53,, 1। । । । । ।।rm।ipmiii■ < Th i | i r T । । ■ ■ ■ 67 72 77 ■ । ■ । ■ • i ■ 83 91 96, ■ ■ • । ■ ■ ■ । | । ■ । । । । । m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

9336.D 050102.M Tue May 07 12:07:24 2002 Page 5

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