GCMS blank analysis for sample AE00365, Jan-Feb 2002

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\02JAN15\0109B.D Vial : 1 Acq On : 15 Jan 2002 10:12 am Operator: • Sample : lab blank 1/9 Inst : Instrumen Miso : January 15, 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 1 2-Butenal, 3-methyl- $$ Cro... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 4.85 0.16 ug/L 45344 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 43 2 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 43 3 1-METHOXY-1, 3-BUTADIENE $$ 1,3-B... 84 C5H80 003036-66-6 9 4 2-Butenal, 2-methyl-, (E)- (CAS)... 84 C5H80 000497-03-0 9 Abundance Scan 129 (4.846 min): 0109B.D (-) m/ z 84.05 100.00% 55 59 84 41

5000

49 440 4.60 e ■ ' I ' r r' I 1 ' ' rl ' ’ ' 4.80 5.00 5.20 01 ■ i ■ ■ ■' i1 ■ '' i ■ ■ ■' i ■ ■' ■ i ■ ■ ■ ' i 1 ' ■ ■ i ' ■ i ■ ■ ‘ ■ i m/z 59.10 94.11% n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55

39 5000 27 4.40 4.60 4.80 5.00 5.20 m/z 55.10 84.88% 44 51 I 69 01 ■ i 1 ■ ■ ’ i ■ TTTTTT ‘ 1' • ■ 11 ’ ----- m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55 ..... A................. 4.40 4.60 4.80 5.00 5.20 39 m/z 41.10 73.70% 5000 27

m/z-> ol ■ ' I ' ' ' ' I ' 20 25 —p 30 35 40 45 50 1.1, 44 l4 ----- 69 55 60 65 70 75 80 85 90 95 Abundance #3340: 1-METHOXY-1.3-BUTADIENE $$ 1,3-Butadiene, 1-methoxy... 41 84 4.40 4.60 4.80 5.00 5.20 m/z 39.10 59.83% 69 5000 27 53 -

m/z-> 0 r ■ । ■ ■1 ■ ।' 20 25 p 30 35 40 45 50 ■ 11" 11'11111 55 60 65 1..... . 70 75 80 111 " i''1' i 85 90 95 ! . , i , । I 4.40 4.60 4.80 5.00 5.20

0109B.D SCAN508.M Wed Jan 16 08:14:17 2002 Page 3

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