GCMS sample analysis results, AE11903, June 3, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11903.D Vial: 10 Acq On : 22 May 2002 9:09 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 5 Acetaldehyde, dimethylhydra... Concentration Rank 15 R.T. EstConc Area Relative to ISTD R.T.

3.88 0.58 ug/L 424892 1,4 -Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Acetaldehyde, dimethylhydrazone 86 C4H10N2 007422-90-4 /5 2 Crotonic acid 86 C4H602 003724-65-0 4 3 Imidazol, 4-fluoro- 86 C3H3FN2 030086-17-0 4 4 5“Fluoroimidazole 86 C3H3FN2 1000128/06-0 3 Abundance Scan 137 (3.884 min): 11903.D (-135) (-) m/z 86.00 /100.00% 86 51 48 5000 40 ■ • ■ ■ i ■ ■ ■ ■ i ' ■ ■ 1 i ■ ■ • ' i ■ ■ ■ ■

44 3.60 3.80 4.00 4.20 01 “ 1111111'111'''111 HHH 58 83 T-rp-m-p-r m/z 51.10 68.99% - p i i i p i rr p । i i p i । i p i-ri p ■ > < । । . I _/ miz-> 20 25 30 35 4045505560 65 70 75 80859095 Abundance #34711: Acetaldehyde, dimethylhydrazone 44 86

5000 30 3.60 3.80 4.00 4.20 71 m/z 48.10 56.07% 27 41 56

miz-> Abundance + o! 11111" ■ । ‘ — 83 TTp- — 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #108383: Crotonic acid i ■»1 ■ ■ ■. l..1 ■ AMMMawww 33 86 ■ ■ i • ■ ■ ■ i ■ ■ ' ■ i ‘ • 1 • i ■ ■ 3.60 3.80 4.00 4.20 5000 69 m/z 40.00 41.34% 27 45

rJz-> 0l TT-p-— 11..3 2 20 25 30 35 40 45 50 55, 60 66 1 78,.. J I‘'111'11' I ‘ ‘ ‘' 111 50 55 60 65 70 75 80 85 90 95 11 ■ i ■ " ■ i11

Abundance #34862: Imidazol, 4-fluoro- ■ ' I ‘ ‘ ‘ ■ I ' ‘ ‘ ‘ I ‘ ‘ ‘ I ' ' 85 3.60 3.80 4.00 4.20 m/ z 86.90 39.53% 5000 A A1 59 O' 1’11111141171177’011B3OUUUTT1’’1’’6TT 1 ■' i ■ " ■ i ■ ■ !" TI iz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

11903.D 052202.M Tue May 28 12:07:40 2002 Page 8

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