GCMS blank analysis results, sample AE09331, May 2002

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Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\050902\508LB.D Vial: 15 Acq On : 10 May 2002 3:31 am Operator: Mclean Sample : 5/8 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 1 3-Penten-2-one, 4-methyl- Concentration Rank 5

R.T. EstConc Area Relative to TSTD R.T.

5.03 0.21 ug/L 186267 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 53 2 2-Pentene, 3,4-dimethyl-, (E)- 98 C7H14 004914-92-5 52 3 2-Pentene, 3,4-dimethyl-, (Z)- 98 C7H14 004914-91-4 52 4 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 50 Abundance Scan 331 (5.024 min): 508LB.D (-322) (-) m/z 83.10 100.00% 55 83

5000 43 98

37 11 48 1 4.60 4.80 5.00 5.20 5.40

m/z-> Of p10 20 30 40 50 —1— 60 70 80 dl 90 100 m/z 55.10 88.95% Abundance #116425: 3-Penten-2-one, 4-methyl- 55 83

...................... 5000 43 98 4.60 4.80 5.00 5.20 5.40 29 m/z 98.10 43.77% 381 3& 50 | , 0! —PPP———— 62 67 . plIlpla . Ml +IT 77 189. m/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #32908: 2-Pentene, 3,4-dimethyl-, (E)- 55 83

41 4.60 4.80 5.00 5.20 5.40 ' 5000 m/z 43.10 42.25% 27 98 15 69 AAulhAwju, nfe-> 0! — 10 20 30 40 +444 +63 477 —9091 100 50 60 70 80 Abundance #116420: 2-Pentene, 3,4-dimethyl-, (Z)- i ■ ■ ' ■ i ■ ■ 55 83 4.60 4.80 5.00 5.20 5.40 m/ z 39.10 25.09% 41 5000 27 98

/z-> 0 15 1 -32. ,l. . 59,4 163 177 + 93 10 20 30 40 50 60 69

70 80 90 100 ... 111.. 1, 4.60 4.80 5.00 5.20 5.40

508LB.D 050102.M Mon May 13 11:26:43 2002 Page 3

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