GCMS analysis report sample AE09679, May 23, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052102\9679.D Vial: 17 Acq On : 22 May 2002 2:22 am Operator: Mclean Sample : re-extract Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 13 2-Pentanone, • 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.93 9.80 ug/L 6213810 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 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2/72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 4 Acetic acid, l,l-dimethylethyl e... 116 C6H12O2 000540-88/5 25 Abundance Scan 486 (5.935 min): 9679.D (-479) (-) m/z 43.10 100.00% 43

5000 59

101 5,60 5.80 6.00 6.20 0! +53+ ...................................... .. 67 83 88 , | I ' 1 ■ 1 1 1 ■ ■ ■ i ‘ ‘ ' ■ i ■ ‘ ‘ 1 i 1 • • ■ i ' m/z 59.16 38.16% niz-> 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 6.00 6.20 m/z 58.05 21.18% 15 101

niz-> 01 10 20 29,11.38, 30 40 +53+ 50 60 ' T1 1 1 I | 70 80 । 83 । | > 'J । i T r 90 1 1 1 J1 1 1 1 1 1 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.806.00 6.20 ' ' ‘ 5000 59 m/z 101.10 15.34%

O+ +101114231,39, I" I "'I 22 83 Ia4/*/I*/A*/*/n/*I’’II’II — 93 101 । — n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 1 I ‘ ' I 43 5.60 5.80 6.00 6.20 m/z 41.10 6.17%

5000 59 101 0 ........... 27,32 381 +-48,53 dnnnmmmmuTIr ■ ■ i ■ ■ ■ ■ i ' • 67 72 77 83 FI ' >i । । 91 96, | * » I « 1 ’I miz-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20

9679.D 052202.M Wed May 22 11:45:35 2002 Page 16

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