GCMS blank analysis report for sample AE12735, June 2002

NYC 9/11 Public Portal Document Llbrary aearen compound Report

Data File C:\MSDCHEM\1\DATA\0 6 0 7 02\DBA.D vial: 10 Acq On 7 Jun 2002 3:55 pm Operator: Sample gc/ms scan 6/3 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 9 Butanoic acid, 2-methyl-, m.. Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 4.52 2.03 ug/L 1407310 1,4-dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 9 2 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 9/ 3 Propanoic acid, methyl ester 88 C4H802 000554-12-1/7 4 5-Fluoroimidazole 86 C3H3FN2 1000128-06-0 5 Abundance Scan 246 (4.525 min): LBA.D (-242) (-) m/ z 57.10 100.00% 57

41 35 86 5000 51 __ 101 ■ ■ • i ■ ■ ■ ■ i ■ ■ ■ 1 i • ■ 1 ■ i 1 ' i 1 1 4.20 4.40 4.60 4.80 Of ■ ■ i 1 ■ ■ ■ i ■ ■ ■ ■ i ■ ■ + 14**4 11:1+414/4 m/z 41.10 58.55% miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #112664: Butanoic acid, 2-methyl-, methyl ester 57 88 41

5000 ■ ' ■ i ■ ’ ■ ■ i ■ ' ' ri 1 1 1 1 i 1 1 1 1 r 4.20 4.40 4.60 4.80 74 101 m/z 86.00 53.18% Ot / r'1 1111, 51 1 H 4 , 1 i' ■ I 116 I ‘ ‘ ‘ 1 1 1 ' ' ' I ' ‘ 1 1 1 1 ' miz-> 1020 30 40 50 60 70 80 90 100 110 120 Abundance #17382: Butanoic acid, 2-methyl-, methyl ester 57 88 29 • ■ I 1 ■ • • i ■ ■ ■ ‘ i ■ ■ ■ ' i 1 ■ ■ ■ i 4.20 4.40 4.60 4.80 41 5000- m/z 35.10 49.78%

o! 10 m 20 l -+4 30 40 51 | 50 +44 60 70 80 90 69 -------. 101

100 110 t ! I t

120 । t i Auar.,. Aw Abundance #485: Propanoic acid, methyl ester ■ 1 ■ i • ■ ■ ■ ।' ■ ■ ■ । ■ i ■ ■ 1 ■ r 29 57 4.20 4.40 4.60 4.80

""amla.. m/z 88.00 49.56% 5000 88

15

/z—> 0 TTp — 10 20 30 1139.371/01 40 50 60 73 1 I ' ■ ■ ■ i ' ‘ 1 ■ i • •

70 80 90 100 110 120 1 ■ f 1 ' ■ ■ i 1 ■ ■ ■ i ■ ■ 1 ■ i ■ ■ ' ■ i 4.20 4.40 4.60 4.80

LBA.D 060302.M Mon Jun 10 11:27:29 2002 Page 12

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