GCMS analysis results, sample AE12532, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052902\12532.D Vial: 23 Acq On : 30 May 2002 4:00 am Operator: McLean Sample : gc/ms scan 5/28 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 5 O-Methylhydroxylamine Concentration Rank 8

R.T. EstConc Area Relative to ISTD R.T. 3.87 0.62 ug/L 406969 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 O-Methylhydroxylamine 47 CH5NO 1000202-02-6 4 2 Ethenamine, N-methyl-N-nitroso- 86 C3H6N20 004549-40-0 3 3 O-Methyl-hydroxylamine 47 CH5NO 1000192-49-9 3 4 Pent-4-enylamine 85 C5H11N 022537-97-1 2 Abundance Scan 135 (3.872 min): 12532.D (-133) (-) m/z 47.10 ZIOO.00%

5000 47

51 ./MMpootus 86 35 40 43 3.60 3.80 4.00 4.20

niz-> O+ ‘• i ‘ 20 44 ■ i ■•i■ ‘ I}T 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ■11 ‘ ‘ ■ l ■ ■ ■ ■ i ■ ■ ■ ■ i ■ • ‘ ■ i ■ ■ ■ ■ i ‘ • ■ ■ r “ ' i ■ m/z 51.00 39.51% Abundance #12271:0-Methylhydroxylamine 31 47

5000- 3.60 3.80 4.00 4.20 m/z 86.00 23.63% 44 41 ol 1■■i■■ ■111' 1 ■ i • ■ ■ ■ i ■ ■ ■' i • " ■ i • ■ ■ • i ■ ■ ■ ■ i ‘ * I “ ■ ■ I ■ ■ ■ ■ i • ■ • • i • miz-> 20 25 30 35 40 4550556065 70 75 80859095 Abundance #737: Ethenamine, N-methyl-N-nitroso- 33 42

3.60 3.80 4.00 4.20 5000 m/z 49.10 14.11% 57

n/z-> 04 ‘11 “ “ i ■ ■ 20 25 30 333631 +47,517 11Tr 35 40 45 50 55 60 65 70 75 f77o...e98?s 80 85 ' i ■' ■ ■ i ■ 9C 95 Abundance #12273: O-Methyl-hydroxylamine 47 3.60 3.80 4.00 4.20 m/z 85.00 13.93%

5000 29 32 1 4 44 0 ‘‘i““i“ -14 '11 ■ ■ • ■ i “ ■ ■ I' ■ •' i ‘ ■ i " ■ ■ i • ‘ ■ i “ “ i' “ ‘ i ■ “ ■ i ■ n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

12532.D 052202.M Mon Jun 03 11:44:18 2002 Page 7

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