GCMS analysis results for sample AE11930, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052302\11930.D Vial: 10 Acq On : 23 May 2002 5:18 pm Operator: Mclean Sample : 5/22ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C: \DATABASE\NIST98 . L

Peak Number 9 2-lmidazolidinone Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 4.09 1.26 ug/L 738615 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qua 1 2-lmidazolidinone 86 C3H6N20 000120-93-4 12 2 2-lmidazolidinone 86 C3H6N20 000120-93-4 / 3 Ethenamine, N-methyl-N-nitroso- 86 C3H6N20 004549-40-0 5 4 1,3-Butadiyne, 1,4-difluoro- 86 C4F2 064788-2374 5 Abundance Scan 171 (4.084 min): 11930.D (-170) (-) m/z 86.00 100.00% 85

5000 49

37 22 58 - 3.80 4.00 4.20 4.40 0! ■ • 1 ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ i ■ ■1 * 1 “ m/z 49.10 33.28% niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #34609:2-lmidazolidinone 30 86

5000 ■ ■ ■ • i ‘ 1 • ■ I ■ ■ ■ ■ i ' ■ ■ ■ i ■ • ■ ■ 3.80 4.00 4.20 4.40 42 m/z 84.00 23.76% 27 01 1 ■ i ■ ■ ■ ■ i ■ - 39, 1111 p 11111 11 p ri 55 58 —mmmmmmmp+ L' j.. 111 ■ > TIB niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #108253: 2-lmidazolidinone 33 86

3.80 4.00 4.20 4.40 ' 5000 m/z 85.00 14.72% 42 27 39, 54 58 71 01 111'1" I'11 1''' I " '' 11 ■ 11'' 111" 111'11' i "i• "■ i "■ ■ i ■ “■ i"■111 — miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #737: Ethenamine, N-methyl-N-nitroso- 33 42 3.80 4.00 4.20 4.40 m/z 37.10 12.16% 5000 57 54 67 86 80 83 33 36 39 n/z-> 0 -n-p-rT-rp-r 20 25 30 24411 35 +4 11,47.51 40 111’ ...... 45 50 55 60 65 70 75 hh]— 80 85 1 1 ‘ 90 “ I ‘ 1 95 ■ i ' 1 1 ■ i 1 ‘ ■ 1 i ■ ■ ■ ‘ i ■ ■ 3.80 4.00 4.20 4.40

11930.D 052202.M Wed May 29 09:50:19 2002 Page 12

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