GCMS blank analysis for sample AE00555, Jan-Feb 2002

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Library Search Compound Report

- Data File : C:\MSDCHEM\1\5973N\02JAN29\0109B.D Vial: 1 Acq On : 29 Jan 2002 10:31 am Operator: Sample : lab blank 1/9 Inst : Instrumen Mise : January 29, 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 4-Methylene-l,3-dioxolane $... Concentration Rank 8

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

4.25 0.06 ug/L 28388 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm • CAS# Qual 1 4-Methylene-1,3-dioxolane $$ 1,3... 86 C4H6O2 004362-24-7 9 2 Formic acid, 2-methylpropyl este... 102 C5H10O2 000542-55-2 9 3 3-Methyl-2 ,3-epoxybutanal 100 C5H8O2 000000-00-0 9 4 ETHYLENE DIAMMONIUM DICHLORIDE 60 C2H8N2 000107-15-3 5 Abundance Scan 77 (4.253 min): 0109B.D (-) m/z 85.00 100.00% 85

41 5000 60 .0 4.00 4.20 4.40 4.60 49 m/ Z 41.10 63.19% I' ■ ■■ I " "T I'1'-1" " I" '' i1' " I'' •' I''1' I /z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Abundance #3854:4-Methylene-1,3-dioxolane $$ 1,3-Dioxolane, 4-methy... 85

5000 27 1 ' 1 ’Id 1 ■ ■ । ■ ■ 4.00 4.20 —4.40 4 4.60 57 m/ z 43.10 52.35%

/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 1 f9....Ill. i ■1" r ■111

Abundance #9310: Formic acid, 2-methylpropyl ester (CAS) $$ Isobutyl... 29 43 56 ’ ’’I’ ’I’’ TTTr 1tir 4.00 4.20 4.40 4.60 5000 m/ z 39.10 27.63%

‘' i" ' ■ i ■ T-TTp-r ' i " " i ■' " i I" ’ I' •'' I''" I i " 1' I" " I " m/z-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Abundance #7969: 3-Methyl-2,3-epoxybutanal 41 85 400 4.20 4.40 4.60 m/z 60.00 26.31%

50001 60

,1 ■" r ■ " i ■1"100 r " 11" " i" " r 1" i" 1' i" " i ■ i " " i" " i ■ " "' i" " i • ■" i " " i " ' ' I ' ' ' ' I ' ' ' ' I 1 ' 1 ' I ' 1 /z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 4.00 4.20 4.40 4.60

)109B.D SCAN508.M Wed Jan 30 09:02:33 2002 Page 5

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