GCMS analysis results for sample AE09330, May 8 2002

NYC 9/11 Public Portal Document

Data File C:\MSDCHEM\1\DATA\050202\9330.D Vial: 10 Acq On 2 May 2002 6:58 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 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.99 12.91 ug/L 11896600 1,4-Dichlorobenzene-d4 9.95

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H12O2 000123-42-290 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2727 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-250 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 Abundance Scan 495 (5.988 min): 9330. D (-487) (-) m/z 43.10 100.00% 413

5000 59

101 1 1 । 1 ' 5.60 5.80 6.00 6.20 6.40 0 ,,,—,—-34,4 i■ । । । 53 , 69 f 1 1 1 1 I ' 1 1 ■ 1 1 ' 1 1 1 1 83 1 i 1 1 1 1 i 1 m/ z 59.10 37.98% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

. — I■I I I I I > I > > 5000 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 22.25% 15 31 101 I I I I I I 1 I I I 26,1,38,1 I I I I I I I I I I 531 | । ■ ■ ■ i ■ • ■ 83 ■ । ■ ■■ ■ ■ , I i ■ ■ ■ I i > . , , । ,

/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 । । । , i — I H — । । i | i i i । [ i r

5.60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 14.48% ft 2 31 20 83 101 ................. 1, , 38 93 I । i । । । । । । I— i 1 1 • 1 i ' 1 1 1 i । 1 i । p ( । । 1 । r ' I 1 1 1 1 I ' 1 1 ' I ' n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- i । । i i i । । । i r । > । i i । i i i i । i r 43 5.60 5.80 6.00 6.20 6.40 m/z 41.20 6.04%

5000 59 — 101 ' 1 I 1 1 r ' I ' 27,32. 38,) . 48 53, 1 ' 1 i 1'1 67 72 77 83 1 I r 1 1 1 i ‘ ' i 1,1 1 91 96, | i ■ ' ‘ 1 i 1 ' 1 1 i 1 11‘ iii 14 r r n । r“i i r' । ■ i rr i y r i /z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

9330.D 050102.M Mon May 06 13:55:11 2002 Page 6

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