GCMS analysis results, sample AE12321, June 2002

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Data File : C:\MSDCHEM\l\DATA\052902\12321.D Vial: 9 Acq On : 29 May 2002 4:36 pm Operator: McLean Sample : gc/ms scan 5/24 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 8 Crotonic acid Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 4.18 0.87 ug/L 597068 1,4-Dichlorob'enzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qua l Crotonic acid 86 C4H602 003724-65-0 A 2 4-Amino-4,5(1H)-dihydro-1,2,4-tr... 100 C2H4N40 1000145-15-/ 4 3 4H-l,2,4-Triazol-3-amine, 4-methyl- 98 C3H6N4 016681-76-/ 4 4 N-Hydroxyproline'131 C5H9NO3 1000132-94-0 2 Abundance Scan 188 (4,184 min): 12321.D (-184) (-) m/z 86.00 100.00% 85 98 35

5000 47 52 40 58 ' i • ■ ' ■ l ■ ' ■ ■ i ■ 1 1 1I ' 1 ' ' 1 1 ' 3.80 4.00 4.20 4.40 4.60 01 ■ ■ i ' • ■ ■ i 1 ■ 1 ■ i ■ ■ —H 11 m/ z 98.10 95.83% n/z-> Abundance 10 20 30 40 50 60 70 #116766: Crotonic acid i ■ ■ ■ 1 i ■ 1 1 ■ i ■ ' 80 90 100 A 41 85

5000 69 3.80 4.00 4.20 4.40 4.60 27 m/z 100.10 82.25% 15 01 ,111,20,00039—Ttr 1,16 51. 57 —Bm 1 i 1 ' 1 ■ i ' 1 1 ■ i miz-> 10 20 30 40 50 60 70 80 90 100 Abundance #43576:4-Amino-4,5(1 H)-dihydro-1,2,4-triazole-5-one 100 114’114 1 1 i1 • 11 i1 1 3.80 4.00 4.20 4.40 4.60 5000 m/z 35.10 69.20%

58 69 43 ""WWA MMMMAMy 0+ 1+1*+’I+’’’II’I: ■ ‘ I ‘ s’a’l । । | . 11 niz-> 10 20 30 40 50 60 70 80 90 100 Abundance #42489:4H-1,2,4-Triazol-3-amine, 4-methyl- 93 3.80 4.00 4.20 4.40 4.60 42 m/z 47.05 "... 38.95% 28 5000

57 69 0 i ii I i । ■ ■ i • ■ ‘ ■ i • ■ i * ■ • • j ‘ ■ i ' ‘ ‘ i ‘ ■ i ■ ■ ■ ■ i 1 ■ 1 ■ । • 1 । ■ ■ ■ ‘ i n/z—> 10 ’ 20 30 40 50 60 70 80 90 100 3.80 4.00 4.20 4.40 4.60

12321.D 052202.M Mon Jun 03 10:48:29 2002 Page 11

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