GCMS comments for sample AE10206 re-extraction, May 2002

NYC 9/11 Public Portal Document ‘ L

Data File : C:\MSDCHEM\1\DATA\051602\10206.D Vial: 7 Acq On : 16 May 2002 7:25 pm Operator: Melean Sample : 5/10 eh 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 4 2-Hexanone, 5-methyl- Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T.

7.73 0.25 ug/L 211281 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Hexanone, 5-methyl- 114 C7H140 000110-12-3 25 2 2-Hexanone, 5-methyl- 114 C7H140 000110-12-3/25 3 4-Penten-2-one, 4-methyl- 98 C6H10O ' 003744-02-/ 17 4 Methyl l-methylcyclopropyl ketone 98 C6H10O 001567-75-5 10 Abundance Scan 791 (7.727 min): 10206.D (-786) (-) m/z 43.10 100.00% 43 __

5000 58 87 ■ ■ i । ‘ । ■ - ■ > । ■ • ■ ' । 98 7.40 7.60 7.80 8.00 0- ----4 +ll 11.7 M m/ z 58.10 30.91% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #5735: 2-Hexanone, 5-methyl- 43 vyyMwra"hp 5000 ' * I 1 1 1 ‘ I 1 ' ' I 58 7.40 7.60 7.80 8.00 m/ Z 87.00 20.86% 15 27 71

Tl/Z-> 0- -374 10 20 30 40 51 11 1, 65 1 81 99 114 Hr 1 1 ....... 1 I ■ ■ ■ ' i ' ' ' 1 i' r‘ ' i ' ' ' ' i ■ ■ 1 ' i -Ir 50 60 70 80 90 100 110 120 Abundance #109705: 2-Hexanone, 5-methyl- 43 . ..... 7.40 7.60 7.80 8.00 5000 m/z 98.10 11.51% 58 27 - 71 114 0- Hu..'ilk, - -4 85 99 — ■ i ■ ■ 1 ' i ' 1 ' • i 1 ■ ' ■ i m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #110033:4-Penten-2-one, 4-methyl- ■ ■ । > ■ ■ ■ । 43 7.40 7.60 7.80 8.00 m/z 57.10 11.04% 5000

. J.... 83 28 98 55

m/z-> 0 -Hl 10 20 30 40 . i 1,— — ----- 50 60 70 80 90 100 110 120 ■ ■ । 7.40 ■ 7.60 7.80 8.00

10206.D 050102.M Fri May 17 15:02:48 2002 Page 7

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