GCMS blank analysis results for sample AE00027, Jan-Feb 2002

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Data File : C:\MSDCHEM\1\5973N\O2JAN25\0104BA.D Vial: 1 . Acq On : 25 Jan 2002 10:12 am Operator: Sample : lab blank 1/4 a Inst : InStrumen Mise : January 25, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l..-\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 3.61 0.12 ug/L 47308 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 4 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 78 Abundance Scan 21 (3.613 min): 0104BA.D (-) m/ z 43.10 100.00% 43 74 5000 59 87 M Ui mfe-> T’T l -T 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 i" " r " ■ i I “11 i1"' 11 ‘ I ‘1 i" " i ■" ■ i1 3.50 3.60 3.70 3.80 3.90 4.00 m/z74.00 82.02% Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 ■' i ■■1' I " " I'1111'j ‘ i ‘'“111 i 59 87 3.50 3.60 3.70 3.80 3.90 4.00 m/z71.10 68.48% 102 " i111 ■ 11'1 ■ i ■ ■1 ■ i ■ ■ ’ i ■ i ■ •' ■ i ■ ■ ■' in H i" " i fr TTTTT i ■ । ■ i * ■»■ i ■ • • • i ■ • • • i > mfe-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 ----- 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 41.10 33.49% 59 87

33 102 TTIITT III1 TT Il-U)..... IT -p-rTTp-rrTy +t Tp-rrTp- ■ ■ i ■ ■ ■ ■ i' ■' ■ i'1 ■ ■ i ■'' ■ i ■ n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #9216: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... -I-mPmPTTT 43 3.50 3.60 3.70 3.80 3.90 4.00 74 m/z59.00 29.09%

5000 27 59 87 (33 " I"'' I' TTTTTTTTTTTT —Tpe 102 +t I" " I" ” I' 1 ■ i ■11 j i11111 ■ ■ ■ ■ i11' ■ i' " i"'11"i" "i1 ■ i11■■i'■'>i m/z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 3.50 3.60 3.70 3.80 3.90 4.00

3104BA.D SCAN508.M Mon Jan 28 09:50:05 2002 Page 3

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