GCMS analysis results for sample AE11928, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C: \MSDCHEM\ 1 \DATA\ 052302\11928.D Vial: 8 Acq On : 23 May 2002 3:40 pm Operator: Mclean Sample : 5/22ad 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 11 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.93 7.56 ug/L 5519880 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2/64 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 36 Abundance Scan 486 (5.935 min): 11928.D (-481) (-) m/z 43.10 100.00% 43

5000 59 101 -! 1 1’’ ! | . P ■ Immn.’ 11 5.60 5.80 6.00 6.20

niz-> 01 01000 +53+ 73 83 , | 119125 I 1 ■ ■ ‘ i • ■ ■ ■ i • ■ • ‘ i ■ '1 ‘ i 1 ■ ■ ■ i ■ ■' • i • ■ ■ ■ i ‘ ■ 10 20 30 40 50 60 70 80 90 100 110 120 130 m/z 59.10 36.25% Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 5.60 5.80 6.00 6.20 | 59 m/z 58.10 20.47% 101 27 37 53 niz-> 04 naanapel* +TT4 67 77 83 91 , | I ' • ■' i • ■ ‘' i ■ ■1 ■ i ■1'111 • ' ■ i ■ ■1 ■ i1 ■ ■ ■ i ■ ‘ 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 TTTTTrrTTFrTT 5.60 5.80 6.00 6.20 5000 m/z 101.10 14.51% 59

15 101

miz-> 04 Ttrrt"u 10 20 25,31 37,|, 11 30 +53+ I '‘ I ' ‘ 40 50 60 70 80 90 100 83 ‘ I ‘ ‘ ,1 ' I ‘ ‘ ‘ 1 1 1 ‘ ‘ I ‘ ‘ 110 ‘ I ' ‘ 120 130 ‘ 1 ' '

Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- ■' ।■ ■' ■ । ■1■ ■ 1TI11111111 43 5.60 5.80 6.00 6.20 m/z 41.15 5.67 5000 59

93 . 93 101 m/z-> 0 111111121,87* *p* 1int1’232/1183 | —*’111111133C1 10 20 30 40 50 60 70 80 90 100 110 120 130 ——IT7114618 ‘ ‘ I ‘ ‘ ‘ ‘ I 1* ‘ 5.60 5.80 6.00 nnT 6.20

11928.D 052202.M Wed May 29 09:48:48 2002 Page 14

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