GCMS results for sample AE00737, Jan 29 2002

NYC 9/11 Public Portal Document

Data File : C: \MSDCHEM\1\5973N\02JAN16\00737.D Vial: 5 . Acq On : 16 Jan 2002 6:26 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 16, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 3 2-Butenal, 3-methyl- $$ Cro... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 4.82 0.32 ug/L 119766 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 81 2 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 81 3 Furan, 2,3-dihydro-4-methyl- 84 C5H80 034314-83-5 64 4 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H80 034314-83-5 64 Abundance Scan 127 (4.823 min): 00737.D (-) m/z 84.05 100.00%

5000 uP 41 55

59 84

n/z-> 01 ‘I ' • • ' I ' ■ • ' I • — 38

20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 AL 69 — I 1 1 ' 1 I ' — ■ l • ■ 1 ' I ■ ■ — TT‘ 4.40 m/z 4.60 4.80 55.10 5.00 5.20 69.16% Abundance #3222:2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55 ( Aa 5000 39 A

27 4.40 4.60 4.80 5.00 5.20 m/z 59.10 43.34%

■n/z-> Of ■ ■ i ■ ■ ■ ■ i' 20 25 44 ' > l > < ■11111 ■ i111 h1 „l p* 30 35 40 45 50 55 60 65 70 75 80 85 69 ' ' I' ' ' • I 90 Abundance #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55 A A ,) .011 4.40 4.60 4.80 5.00 5.20 39 m/z 41.10 42.69% 5000 27

m/z-> 01 ■ i • ■ ■' i ■ 20 25 44 ■ i ■ ■ >11 • I ■ - I >1111' 30 35 „ll 69 ----- ■ ■ i • • • • i 40 45 50 55 60 65 70 75 80 85 90 Abundance #3350: Furan, 2,3-dihydro-4-methyl- 84 N A—M 55 4.40 4.60 4.80 5.00 5.20 m/z 83.10 42.32%

5000 41 27 69 37 44 51 111111111 r 111111 11111111 — 0 1111111111 IHH 11" " I m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 4.40 4.60 4.80 5.00 5.20

0737.D SCAN508.M Thu Jan 17 08:17:39 2002 Page 5

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