DEP GCMS data table, Jan-Feb 2002

NYC 9/11 Public Portal Document Llbrary Searcn compound Report

Data File : C:\MSDCHEM\1\5973N\02FEB27\0201B.D Vial: 1 Acq On : 27 Feb 2002 10:33 am Operator: Sample : lab blank 2/1 Inst : Instrumen Mise : February 27, 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 2 Propane, 1,l-dimethoxy-2-me... Concentration Rank 6

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

3.93 0.08 ug/L 37850 1,4-Dichlorobenzene-d4 9.72

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 C6H1402 000000-00-0 83 3 Propane, 1,l-dimethoxy-2-methyl-... 118 C6H1402 041632-89-7 74 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H1402 000000-00-0 74 Abundance Scan 49 (3.927 min): 0201 B.D (-) m/z 75.00 100.00% 75

5000 87 55 .... .................. ) 41 47 71 3.60 3.80 4.00 4.20 0 . 111 1.17. .. 017— T-p-r m/z 87.10 38.70% m/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

5000- i ■ ■ ■ ■ j > ■ ■ ■ i 87 3.60 3.80 4.00 4.20 55 m/ z 55.10 26.70% 31 4 47 71

n/z-> 0-tmmTTT —P 43 । I 11 59 — 1' i" " i " 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 -H Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... 75 3.60 3.80 4.00 4.20 5000 m/z 47.10 15.24% 87 55 29 0'I I" "I"'1 1 1111 I' - 41 4759 71 —] 1 ' HH ftrur T m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl- $$ Isobutylaldehy... 75 3.60 3.80 4.00 4.20 m/z 41.10 11.66%

5000 87 31 47 55

m/z-> 0-4+20 25 30 35 40 45 ‘It 50 1111111111111 ■ ।' 111 11 55 59 60 65 71 70 75 —mmt ........... 'I" 80 85 90 95 3.60 3.80 4.00 4.20

0201B.D HP022102.M Thu Feb 28 08:46:39 2002 Page 4

NYC-WTC_000004952