GCMS analysis results for sample AD31670, Jan 28 2002

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Data File : C:\MSDCHEM\1\5973N\02JAN17\31670.D Vial: 5 • Acq On : 17 Jan 2002 6:09 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 17, 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- Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 4.84 0.29 ug/L 127994 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 74 2 3,4-Dihydropyran $$ 2H-Pyran, 3,... 84 C5H80 000110-87-2 74 3 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H8O 034314-83-5 59 4 2 -Butenal, 2 -methyl -84 C5H80 001115-11-3 52 Abundance Scan 128 (4.835 min): 31670.D (-) m/z 84.00 100.00% 84

55 5000 41 39 59 I ' 1 1 ■ i ■ ■ ' ■ i • ■ ‘ ■ i ‘ ■ i ' ■ 43 50 53 4.40 4.60 4.80 5.00 5.20 niz-> O—T 30 ..... 35 ....... 40 45 .li H > J ] । ।(. ) 50 55 60 65 69 70 75 80 85 AS 90mm95 m/z 55.10 65.59% Abundance #3224:2-Butenal, 3-methyl- 84

5000 55 A N 41 4.40 4.60 4.80 5.00 5.20 m/z 41.10 44.72%

M 50 53 66 69 82 0- 11111-171’118 +— ■ ■ ' 11 ■ । ■ 1._"_____ 43 ■ I " " 11 " 11 1' " I ' " ■ l' 111'1 I niz-> 30 35 40 45 50556065 70 75 80859095 Abundance #3375: 3,4-Dihydropyran $$ 2H-Pyran, 3,4-dihydro- (CAS) $$... 84 .4,0 4.40 4.60 4.80 5.00 5.20 5000 m/z 83.10 39.99%

41 57 69 43 51 53I 0 ■ । ■ • ■ ■ । ■ • • ■ । 111 ।.... 11.111 1’117 1 ■ i' ■' ■ i z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #3351: Furan, 2,3-dihydro-4-methyl- (CAS) $$ 4-METHYL-2,3-... i ■ ■ ■ ■ i 1 ■ ■ 1 i ■ ■ ■ ■ i ■ ' ■ ■ i ■ ■ ■ 55 84 4.40 4.60 4.80 5.00 5.20 m/z 39.10 35.24%

5000 3941

53 69 43

n/z—> 40 51 0- i'111111 ' 11 ■ 111 . > >. 11 J 11 30 35 45 50 |

55 -PPP 60 65 70 75 80 85 90 95 I ■ ■1 i • ■ ■ ■ i 4.40 4.60 ...... A........ ■ i 1 ■ ■ • i • 1 ' ■ i ■ ■ 4.80 5.00 5.20

31670.D SCAN508.M Tue Jan 22 08:37:22 2002 Page 5

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