GCMS analysis results for sample AE02721, March 5 2002

NYC 9/11 Public Portal Document Library Search Compound Report • • Data File : C:\MSDCHEM\l\5973N\02FEB28\02721 .D Vial: 6 Acq On : 28 Feb 2002 6:50 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 28, 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 7 R.T. EstConc Area Relative to ISTD R.T. 3.93 0.06 ug/L 22817 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 9 2 Propane, 1,1-dimethoxy-2-methyl- 118 C6H1402 041632-89-7 9 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 9 4 1-FLUORO-3-BROMOBUTANE $$ 1-Fluo... 154 C4H8BrF 000000-00-0 4 Abundance Scan 49 (3.927 min): 02721 .D (-) m/z 75.00 100.00% 75

5000 87 55 47 • ■ i • ' ■ ■ i ■ ■ ■ 1 i 1 1 1 1 i 1 1 1 1 1 41 3.60 3.80 4.00 4.20 51 ob • • i ■ ■ ■11 “ ■' ।11 ।■ i ■ “ ■ i ■ - ‘ ‘1+141144481**** -rrrryrrrrp- " 11' “ I • ‘ m/z 87.00 47.70% miz-> 5 10 15 20 25 3035404550556065 70 75 80859095 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75

5000 87 3.60 3.80 4.00 4.20 55 m/z 55.10 30.02% 29 41 47 59 71 0->>> I | ! 1 I l | “ I I J 1 " 1 1 ‘T»‘l ‘ “ I 1 1 ‘ ‘ ‘ —rua] I[IIII|IIHIII ' I|IIII [>II>|I '■I

m/z-> 5 10 15 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 TT 3.60 3.80 4.00 4.20 5000 m/z 47.10 18.97% 87 55 31 22 47 59 71 niz-> 5 Or .3.7 ■ ■ ■ ■ i ■ ■ • ■ i ■ ■ 11 11 —at ■ i ■ ■ ■ ■ i' ■ ■ ■ i ■ '' ■

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 11 ■■। । •

Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... ■ ' i ■ ‘ ■ 1 1 ’* 1iB7 121 75 3.60 3.80 4.00 4.20 m/z 41.10 11.84% 5000 87 15 55 47

m/z—> 0- 1 ■ i ■ ■ ■" ■ i “

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ■ • i “ 59 — 71 -H — H A3.60 3.80 4.00 4.20

02721.D HP022102.M Fri Mar 01 10:07:52 2002 Page 4

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