GCMS analysis results for sample AE11409, May 22 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051702\11384.D Vial: 11 Acq On : 17 May 2002 8:56 pm Operator: Mclean Sample : 5/15 ad 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 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.96 15.00 ug/L 10963700 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 90 2 2-Pentanone, 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 491 (5.964 min): 11384.D (-481) (-) m/z 43.10 100.00% 43

5000 59 .................... ).................. 101 11111 1 |+1++I’1111IIIII 5 60 5.80 6.00 6.20 6.40 Of । । ■ ■ ■ ■ । ■ ■ । ■ i 1 384 1 48 53, । i 69 i i i । 77 83 88 i i । । । ii । i , | [ i i । I । I i । । । r m/z 59.10 34.46% nlz-> 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 6.40 m/z 58.10 23.28% 15 101 o 31 on mfz—> 0+ ■ - i ' +-29,1, 10 - 20 30 .38,1 40 +53+ 50 60 70 83 I ' ' ■ 1 i ■ ' ■ ' i ''1 ' ' i ' ' ' 1 I ' ' 1 ' l 1 80 90 100 I 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 ■ ' i 1 ' 1 1 r ■ ' ■ ' i ■ ■ ■ 1 i ' 1 ■ ' i ' 5 60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.37%

2 31 0 22 83 93 1°1 — । 11 i1 .' ' 38 ■ ' । 1 1 1 1 । ' 1 29 01 _ । । 1। tu ' I ' ''I I I . . . . । । . j . . . । । . 1 ।' i i i ' । । m/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 5.67% 5000 59 . 101 0 ' ' I ' ' ' ' I ' 27,32 38,1 , 48 53 I ■ । । । ri'I 67 72 77 83 91 96, | I 1 1 1 ' i r ' ‘ 1 i 1 1 ' 1 i ■ ' 1 ' r1 1 1 1 1 1 TTTTpe.RTPTr m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

11384.D 050102.M Tue May 21 11:56:11 2002 Page 4

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