GCMS surrogate recovery results for sample AE00316, Jan 2002

NYC 9/11 Public Portal Document Data File : C:\MSDCHEM\1\5973N\02JAN10\00316.D Vial: 3 Acq On : 10 Jan 2002 10:07 am Operator: . Sample : 508 scan ext 1/7 Inst : Instrumen Mise : January 10, 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- (CAS) ... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 4.85 0.22 ug/L 66357 1,4-Dichlorobenzene-d4 9.72

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H8O 000107-86-8 72 2 2-Butenal, 3-methyl- $$ Crotonal ... 84 C5H8O 000107-86-8 72 3 Furan, 2,3-dihydro-4-methyl - 84 C5H80 034314-83-5 59 4 2-Butenal, 3-methyl-_______________ 84 C5H8O 000107-86-8 59 Abundance Scan 129 (4.846 min): 00316.D (-) m/ z 83.95 100.00% 84

55 41 5000 59

44I . 49 4 40 4.60 4.80 5.00 5.20 01 ■ । ■ ■ ■ ■ । ■ ■ • ■ । > • • > । • ■ i > < • ■ i • '' I'1 " i " TT ■ i ■' ■ ■ i m/z 55.10 65.39% m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55

5000 39 r ' I ' ' 27 4.40 4.60 4.80 5.00 5.20 m/z 41.10 56.24%

n/z--> 01 ■ > । ■ ■ ■ ■ । ■ 20 25 ■ i > ■ ■ • । ■ I ■ H 44

30 35 40 45 50 55 60 65 70 75 80 ll ----PPPPT 69 1......... 85 90 Abundance #3222:2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl-

55 84 AAMS.. 4.40 4.60 4.80 5.00 5.20 39 m/z 83.0.0 50.38% 5000- 27

rn/z-> o '' i '' '' i ' ' ' i ■ ■ ■ ■ i ■ । ■ ’ i'1 ■ 11' 20 25 30 35 44 L 40 45 50 55 60 65 70 75 —- 69

80 85 90 Abundance #3350: Furan, 2,3-dihydro-4-methyl- 55 84 4.40 4.60 4.80 5.00 5.20 m/z 39.00 42.63% 5000 41 27 69 37 44 51 0 • ■ i ■ ■ ■ • । ■ TTTTTTTTTT ‘It - — — ' I ■1' ■ I m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 4.40 4.60 4.80 5.00 5.20

00316.D SCAN508.M Thu Jan 10 11:52:12 2002 Page 3

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