GCMS analysis report for sample AE01511, March 2002

NYC 9/11 Public Portal Document

Library Search Compound Report •‘Data File : C:\MSDCHEM\1\5973N\02FEB21\01511.D Vial: 2 Acq On : 21 Feb 2002 4:01 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 21, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102 .M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 ISOBUTYRALDEHYDE, DIMETHYLA... Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T.

3.93 0.06 ug/L 26172 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 ISOBUTYRALDEHYDE, DIMETHYLACETAL. .. 118 C6H14O2 000000-00-0 74 2 Propane, 1,l-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 74 3 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 64 4 Propane, 1,l-dimethoxy-2-methyl- 118 C6H1402 041632-89-7 64 Abundance Scan 49 (3.927 min): 01511 .D (-) m/z 75.00 100.00% 75

50001 87 47 55 .............. I\............... ■ ■ । ‘ । ■ ■ • ■ । ■ ■ ■ ■ । ■ 1 ■ ■ i 41 3.60 3.80 4.00 4.20 0- • A 4, . 11 m/z 87.10 46.09% rnlz—> 10 20 30 40 50 60 70 80 go 100 110 120 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75

5000 87 3.60 3.80 4.00 4.20 31 47 55 m/z 55.10 25.13% I 0- ' ■ i ■ ■ ‘ • i ■ ■ ■ ■ I' ■ ‘ ■ i ■ , ■ I ■‘i• Pr* 11 11 11 ■ ■ ■ ■ । • • ■ ■ । ■ i ■ ■ miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl-$$ Isobutylaldehy... 75 I....... Ill............. ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ • • i ■ ■ ■ ■ i 3.60 3.80 4.00 4.20 5000' m/z 47.00 23.76% 87 31 47 55 I 0- ■11 ■ ■ ‘ ■ i ■ ■ ■ 1 i 1 • ■ ■ i • , ‘ I • i • irri 1 ' 1 1 I1' 1 —apt 1 i ‘ ‘ ‘ i ■ • 1 ■ i ■ • • ■ i 1 ■ iz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #17845: Propane, 1,1-dimethoxy-2-methyl- (CAS) $$ Isobutyl... 75 3.60 3.80 4.00 4.20 m/z 41.10 10.76% 5000 87 31 47 15 59 0- ''l‘ 1 ' I1 1 11 I1 1 ' 1 1 ' t+ ' I ' ' ' ' I ' ■ ' ■ I ‘ ‘ + 118 1 i ■ ■ 1 ' i 1 ■ ■ ■ 1 1 ■ ■ 1 i ■ ■ ■ I ( * 1 i ■ ■ ■ ■ i ■ ■ 1 ■ i ■ ■ ■ ■ i /z-> 10 20 30 40 50 60 70 80 90 100 110 120 3.60 3.80 4.00 4.20

01511.D HP022102.M Mon Feb 25 10:55:16 2002 Page 4

NYC-WTC_000010054