GCMS analysis results, sample AE12531, June 2002

NYC 9/11 Public Portal Document Llprary Search Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12531.D Vial: 22 Acq On : 30 May 2002 3:11 am Operator: McLean Sample : gc/ms scan 5/28 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 ’5 Library : C:\DATABASE\NIST98.L

Peak Number 11 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 5.95 0.84 ug/L 639343 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 72 3 Acetone 58 C3H60 000067-64-1 9 4 Acetone 58 C3H60 000067-641 9 Abundance Scan 488 (5.946 min): 12531 .D (-477) (-) m/z 43.05 0.00% 43

5000 59 ■ i ■ • i 1 1 1 1 i 1 1 1 1 i 1 1 11 I' 101 5.60 5.80 6.00 6.20 35 I H 83 , | 0- * •‘‘•I t FI ■ i ' ■ ■ ■ i ■ ' ■ ' i 1 1 i ‘ ' ■ ■' i ■ ■ ■ ■ i ■ m/ z 59.10 29.30% niz-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 sMal 5.60 5.80 6.00 6.20 1 "T*

59 m/z 58.10 23.21% 27 101 0- 0* 1—1, 37114 ii . 53, 67 77 83 91 1 1 I r i । । । I 1 ' ' ' I ■ ■ ■ ' I 11 1 1 i ■ niz-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 -A4A,A-—PI 07 5.60 5.80 6.00 I6.20 5000 m/z 101.00 11.00% 59

31 15 101

miz—> Abundance I 0- TImemt 0 10 20 25,,, | 37, |, 30 40 50 #109123: Acetone 83 +10PPIPTIIPT 60 70 80 90

43 +53+ ] 100 110 1 ' i ■ ■ ‘ ■ i ■ ■ 5.60 5.80 6.00 m/ z 39.10 A ‘ ■ i • ■ ■ ■ i 1 6.20 5.63% 5000 15 58 27

iz—> 0 2 ■ ■ i ' 1 1 1 i 1 0 10 -44 20 30 40 1i ■ i ■ ■ 50 i ■ • ■ ■ i ■ ■ ■ ■ i ‘ 60 70 80 ' ■ i • ■ 1 ■ i ■ • ■ ■ i ■ 90 100 110 5.60 5.80 6.00 '11■■■•l‘ 6.20

12531.D 052202.M Mon Jun 03 11:43:12 2002 Page 14

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