GCMS analysis results for sample AE12474, June 2002

NYC 9/11 Public Portal Document Llbrary searcn compouria Keport Data File : C:\MSDCHEM\1\DATA\052802\12474.D Vial: 12 Acq On : 28 May 2002 11:15 pm Operator: McLean Sample : 5/24 ad 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 4 Acetaldehyde, dimethylhydra... Concentration Rank 5

R.T. EstConc Area Relative to ISTD R.T. 3.83 1.57 ug/L 967468 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Acetaldehyde, dimethylhydrazone 86 C4H10N2 007422-90-4 2 Ethenamine, N-methyl-N-nitroso- 86 C3H6N20 004549-40-0 3 Phosphonic difluoride 86 F2HOP 014939-34-5 5 4 1-Propyne, 1-(methylthio)- 86 C4H6S 022174-51- 4 Abundance Scan 128 (3.831 min): 12474.D (-127) (-) m/z 86.00 10, .00% 85

5000 50 ...... ............... . 35 40 47 58 3.40 3.60 3.80 4.00 4.20 Of T-rp-r+rp-r 111'■ i ■11 ■ ।।■ ■ । । ■ m/z 84.00 48.00% miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #34711: Acetaldehyde, dimethylhydrazone 44 85

5000 30 3.40 3.60 3.80 4.00 4.20 71 m/z 85.0d 27,. 05% 27 41 56

n/z-> Of • • i • • ■»i • 20 25 Hr 30 —+ 35 40 83 mmmm ITregest: 45 50 55 60 65 70 75 —p 80 85 90 95 Abundance #737: Ethenamine, N-methyl-N-nitroso- 33 42

3.40 3.60 3.80 4.00 4.20 5000, m/z 50.05 26.25%

miz-> 01 TT-p-n-rp-r 20 25 20 +33364 147.545 +ht —479. 30 35 40 57

45 50 55 60 65 70 67

75 | I i83 ■i80 80 86 I।| — 85 ■ i ■ ■1 ‘ i ■ ■ 90 55 wpM#Mas Abundance #34889: Phosphonic difluoride 85 3.40 3.60 3.80 4.00 4.20 m/z 88.00 20.34% 5000 69

66 47 31 50 0 “i“ i " i11" i"'1 r11'111 • i “ * * i *'111 i " 1 ■ i ■ “ • i “ ■ ■ i ■ ■ “ i ■ ■ I ■ ' ■ ' I ' ' ‘ ' 1 ‘ ‘ ' I ' 1 1 ' I 1 1 /z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00 4.20

12474.D 052202.M Thu May 30 10:42:59 2002 Page 7

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