DEP GCMS data table, Jan-Feb 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02FEB26\02015.D Vial: 3 Acq On : 26 Feb 2002 11:57 am Operator: Sample : 508 scan Inst : Instrumen Mise : February 26, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\l-..\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 3 Propane, 1,l-dimethoxy-2-me... Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 3.93 0.07 ug/L 31890 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Propane, 1,1-dimethoxy-2-methyl- 118 C6H14O2 041632-89-7 74 2 Propane, 1,l-dimethoxy-2-methyl-... 118 C6H1402 041632-89-7 64 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 64 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 43 Abundance Scan 49 (3.927 min): 02015.D (-) m/ z 75.00 100.00% 75

5000 87 55 47 AA ........... \.................. ' 1 i ' 1 1 ' i ■ ■ 1 ' i ' 1 ' 1 1 1 1 1 1 i 43 71 3.60 3.80 4.00 4.20 / I I | 1 1 1 1 -r ■ • । ■ ■ ■ ■ ।' 1 ■11111 । - 01 1' i ■ ■1 ' i ■ ■ 1 i 1 1 1 ■ । । > m/z 87.10 43.05% n/z-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- 75

5000 87 3.60 3.80 4.00 4.20 55 m/ Z 55.00 29.61% 31 2 i 47I 43 59 71 O+ ■ • । ■ ■ ■ - । । ■ ■ i ■ ■ ■ ■ । ■ 11 < | । I । i । ■ । . t I I I I I I T-TT-f -H 1............... ■ । ■ ■ ■ ■ । -1 /z-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl-$$ Isobutylaldehy... 75 1 1 r ■ 1 । ‘ 1 ■ 1 i 1 1 1 1 I 3.60 3.80 4.00 4.20 5000 m/z 47.10 21.42% 87 31 47 55 71 m/z-> O+ mm 25 30 35 - 43 1 TTT-l- 59 ) " 111 " 1 1/ 1111 " 1111 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... _MAAAAALAA/AAAA 75 3.60 3.80 4.00 4.20 m/z 43.10 10.08%

5000 87

m/z-> 0 25 30 35 40 31 rr patsganniy. 1111 4344 47 59 -'-I " । । | H' 55

45 50 55 60 65 70 75 80 85 90 95 71 " ' l1 " 1 ..... ''I1 । । । ' I । । ASA 3.60 3.80 4.00 4.20

02015.D HP022102.M Wed Feb 27 08:34:24 2002 Page 5

NYC-WTC_000004553