GCMS blank analysis for sample AE10303, May 2002

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Data File C:\MSDCHEM\1\DATA\050802\0501LB.D Vial: 3 Acq On 8 May 2002 3:26 pm Operator: Mclean Sample 5/1 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 2 2-Pentene, 3,4-dimethyl-, (E)- Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 5.01 0.29 ug/L 236271 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentene, 3,4-dimethyl-, (E) - 98 C7H14 004914-92-5 64 2 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 64 3 3-Hexen-2-one 98 C6H10O 000763-93-9/59 4 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-7977 59 Abundance Scan 328 (5.006 min): 0501 LB.D (-324) (-) m/z 83.10 100.00% 55 83

43 5000 98 AA ■ | .......... ' I | AA.l I M............. i ! > ’Ti 37 49 | 4.60 480 5.00 5.20 5.40

m/z-> O+ 1 1 । ' 1 1 1 i 1 1 1 ' i 1 10 20 30 —,1,444 60 40 50 ■ • । 70 80 ■ I ' । l 88 । ■ 1 -1 t I 1 90 100 i 1 T m/z 55.10 96.87% Abundance #32908: 2-Pentene, 3,4-dimethyl-, (E)- 55 83 __

41 5000 ' 1 I ' ' ' ' I ' 1 । 1 1 27 98 4.60 4.80 5.00 5.20 5.40 m/ z 43.10 59.02% 15 69 Of - ,11.36,1/ 504 .,63,1,1.77 I 9091 Woappoa, m/z-> 10 20 30 40 50 60 70 80 100 WheMnyMWW Abundance #111648: 3-Penten-2-one, 4-methyl- 55 83 43 ' I ' ' 1 I ‘ ' 1 '■ I 1 1 1 1 1 1 1 1 '"'I 1 1 4.60 4.80 5.00 5.20 5.40 5000 29 m/ z 98.10 43.54% 98

38 , , I 62 67 7250 I 77 Of . - 23 ——— PH-t 11 I ■ ■ ■ I■ I ■ I I I I I I I I 1 , , 92 n/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #116424: 3-Hexen-2-one ■ i ■ ■ ■ ■ i ■ ■ ■ ■ l ■ • I ' । । । I ' ' 83 460 4.80 5.00 5.20 5.40 m/z 39.10 28.06% 55 5000 43 98 29

m/z-> 0 ............... 23 | | 'I 1 10 ' I 1 ' 1 1 I ' ' 20 30 Xu —++ 40 50 | , 50 63 69 77 +TTT ! 60 70 80 90 93 100 .4.8,., ILL 4.60 4.80 5.00 5.20 5.40

0501LB.D 050102.M Thu May 09 13:47:15 2002 Page 5

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