GCMS analysis results for sample AE00168, Jan 2002

NYC 9/11 Public Portal Document Library searcn compound Keporu

Data File : C:\MSDCHEM\1\5973N\02JAN24\00168.D Vial: 1 Acq Oli : 24 Jan 2002 2:59 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 24, 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 5 3,4-Dihydropyran $$ 2H-Pyra... Concentration Rank 3

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

4.85 0.23 ug/L 95892 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW Mol Form . CAS# Qual

1 3,4-Dihydropyran $$ 2H-Pyran, 3,... 84 C5H80 000110-87-2 72 2 2-Butenal, 2-methyl-, (E)- 84 C5H8O 000497-03-0 64 3 2-Ethylacrolein $$ 2-Ethacrolein... 84 C5H80 000922-63-4 64 4 2-Butenal, 2-methyl- 84 C5H80 001115-11-3 64 Abundance Scan 129 (4.846 min): 00168.D (-) m/z 84.05 100.00% 84

55

5000 41 59 i ■ ■ ■ ■ i ■ ■ ■ ‘ i ■ ■ ■ ■ i ■ ■ ' 1 i ■ ' 44 51 । 69 4.40 4.60 4.80 5.00 5.20 enfz~> • ■ I ■ • •' l' ■ ' ' I ' ■ ‘ ■ I ■ — 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 111 ■ ■ ■ i ■ ■' ■ i ■ ■ +PP m/ z 55.10 68.21% Abundance #3375: 3,4-Dihydropyran $$ 2H-Pyran, 3,4-dihydro- (CAS) $$... 55 84

5000 4.40 A V I • * ‘ 1 I * 4.60 4.80 5.00 5.20 A m/z 41.10 47.64%

1 41 69 44..51 1 ।f>l>■>>I•*1 ’ I’E’’1—EI-TTETTIT-II1ET " i ■ ■ ■ ■ i " 1 ■ i ■ ■ “ i ■ ■ ■ ■ i niz-> 20 25 3035404550 55 6065 70 75 80859095 Abundance #3211: 2-Butenal, 2-methyl-, (E)- 55 84 A 4.40 4.60 4.80 5.00 5.20 5000 27 m/z 59.10 37.75%

■ > i > <' * ।1 TTIT 38 mP— lrp......... 1 44 51 m-PT m/z-> Abundance 20 25 30 35 40 45 50 55 60 65 70 75 80 85 #3305:2-Ethylacrolein $$ 2-Ethacrolein $$ Butanal, 2-meth... 55 90 95 A A/A 4.40 4.60 4.80 5.00 5.20 84 m/Z 83.10 34.70%

5000 39 27 44 51 “ i ■' ■ ■ i ■ 1 ■ i ■ ■ •' i ■ ■ -L + 66 ■ ■ i ■ ■ “ i' “ ‘ i' ■ ■ ■ i1" 11" l'"^l""l iz—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.40 4.60 4.80 5.00 5.20

00168.D SCAN508.M Fri Jan 25 10:25:53 2002 Page 7

NYC-WTC_000050510