GCMS analysis results, sample AE12534, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12534.D Vial: 25 Acq On : 30 May 2002 5:37 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 Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 10 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 15 R.T. EstConc Area Relative to ISTD R.T. 5.95 0.84 ug/L 532083 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 72 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 64 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 28 Abundance Scan 488 (5.946 min): 12534.D (-484) (-) m/z 43.10 100.00% 43

V 5000 59 ‘ 1 i ■ ■ ■ 1 i • ■ ■ ■ i 1 ‘ • t • ■ ■ ■ l • 101 5.60 5.80 6.00 6.20 83 88 miz-> 0- ...... 10 ......... 20 30 341 40 48 +" ■ 4— 50 I60 ■ i ■ ■ ■ ■ i 1 ■ ■ ■ i • 70 80 1 i ■ 90 . । I. ■ । ■ 100 110 m/ z 59.10 31.78%

Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 -A4—4. T-r-r-i 5.60 5.80 6.00 6.20 59 m/z 58.10 24.65% 101 __

miz-> Of ...10 ...... 20 77,32 30 38,140 +-,48,534 50 60 67 72 77 83 70 80 91 96, | J 1l • ■ * • i ' * • • i ■ * * • i. * > • l t 1 1 • • i ‘ 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 ............... A,,A ‘ | 1 1 TI ’44 14 5.60 ___________5.80 6.00 6.20 5000 m/z 101.10 13. 01% 59

15 101

miz-> Of ' ' l ' 10 —20■ 29,31.38,1 +53+ 30 40 50 I ■ ■ ' ' i ■ ' ■ ■ i 60 70 80 83 ' i ' 90 +100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- ■ ■ i ■ ■ ■ 1 i 1 ■ ■ ■ i 1 1 1 ' i 1 1 1 ' i 1 43 5.60 5.80 6.00 6.20 m/z 42.05 5.92% 5000 59

M p 31 . oo no 101 0 . 5 1 . 38,11 83 93 । ! ■ ■ ■ 1 i ■ 1 1 • i • ■ ■ ■ i 1 ■ ‘ 1 i ■ ■ ■ ‘ i ■ ■ ■ i 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20

12534.D 052202.M Mon Jun 03 11:46:41 2002 Page 13

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