GCMS analysis results for sample AE00842, Feb 2002

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\02FEB07\00842.D Vial: 6 Acq On 7 Feb 2002 6:34 pm Operator: ■ Sample : 508 scan Inst : Instrumen Mise : February 7, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP020702 .M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 4 Propane, 1,l-dimethoxy-2-me... Concentration Rank 12

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

3.92 0.08 ug/L 32960 1,4-Dichlorobenzene-d4 9.71

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Propane, 1,l-dimethoxy-2-methyl- 118 C6H1402 041632-89-7 83 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 83 3 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H1402 041632-89-7 43 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 43 Abundance Scan 48 (3.922 min): 00842.D (-) m/z 75.10 100.00% 75 I 5000 87 55 41 47 A............ M,, 71 84 3.60 3.80 4.00 4.20 Illi 51 I m/z 87.10 44.31% 0 ■ i' ■' ■ i'' ■ ■ i ■" ■ ■' ■ ■ i ■''' i1 ■ ■ i ■ ■ ■ ■ i ■

/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- 75

TTT ' i ' i " ... 5000 87 3.60 3.80 4.00 4.20 55 m/z 55.10 27.86% 31 0 11 ■ ■ • ■ i ■ ■ ■ ■ 11" 43,47 p 59 71 ... . — ............... 'I' i ■ • ■ ■ i m/z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75 3.60 3.80 4.00 4.20 5000 m/z 47.05 15.56% 87 55 29 41 0il l.... I... 111...... ... ■ 11' I 47 +459 71 ..................... 'I1'" PPT] । ■ । ■ ■ ■ ■ ।1 ■ n/z-> Abundance 20 25 30 35 40 45 50 55 60 65 70 75 80 85 #17844: Propane, 1,1-dimethoxy-2-methyl- $$ Isobutylaldehy... 75 90 95 LAAAARp 3 60 3.80 4.00 4.20 m/z 41.10 14.31%

5000 87 47 55 31

/z--> 0 i ■ ■ ■ ■ i'' ■ ■ 11 ■ " i1 ■ •' i ■ 20 25 30 35 40 4344 50 55'I'"5960'I""65I1 - 45 ■ i111 71 70 75 80 85 90 95 1 ■1 ■ i11" i1 i1 ■ ■ ’ i ■ ■ LA—-AM— 3.60 3.80 4.00 4.20

00842.D HP020702.M Thu Feb 21 09:58:09 2002 Page 6

NYC-WTC_000052260