GCMS blank analysis results, sample AE12288, June 2002

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■ Dat File : C:\MSDCHEM\l\DATA\052902\LB.D Vial: 4 Acq On : 29 May 2002 12:32 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 12 Pyrido[2,3-d]pyrimidine, 4-.. Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T.

5.36 0.64 ug/L 383068 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Pyrido[2,3-d]pyrimidine, 4-phenyl- 207 C13H9N3 028732-75-4 9 2 Cyclotrisiloxane, hexamethyl- 222 C6H1803Si3: 000541-05-9 9 3 Cyclotrisiloxane, hexamethyl- 222 C6H1803Si3। 000541-05-9 9 4 .gamma.-Cyano-3-methyl-5,10-dihy... 208 C14H12N2 1000213-00-8 7 Abundance Scan 389 (5.365 min): LB.D (-385) (-) m/z 207.00 100.DOS 207

5000

or 48 103 133 191 5 00 5.20 5.40 5.60 5.80

n/z-> 0 364115883 I ‘ 1 ’ ' I ‘ 0 20 40 60 80 —4L 100 120 140 160 180 200 ■ ■ i ' ■ • ' i 1 1 ■ • i ' ■ ■ ‘ i ■ • ■ ■ i ■ 18. m/z 207.95 28.82% Abundance #84862: Pyrido[2,3-d]pyrimidine, 4-phenyl- 2017 W 5000 179 5.00 5.20 5 40 5.60 5,80 77 m/z 133.00 16.64%

miz-> 0- i ■ ■ ■ ■ i ■ ' ■ ■ i ' ■ ■ • i ■ ■ 0 20 40 60 1487.1944127—4 80 100 120 140 160 180 200 18.I

Abundance #84874: Cyclotrisiloxane, hexamethyl- 207

5.00 5.20 5.40 5.60 5.80 5000 m/z 190.90 13.67%

96 191 133 4 15 29 45 61 75 85 119 147 163 177 I I ■■ 0- I**I*F*4) TTI 171 1-1 fl v > l ‘ra ‘‘T ■ ■ 11 ■ 1 • 'i ■ TT niz-> 0 20 40 60 80 100 120 140 160 180 200 Abundance #126481: Cyclotrisiloxane, hexamethyl- 207 5 00 5.20 5.40 5.60 5.80 m/z 48.05 12.58% 5000

75 96! 119 147 163 177 191 0 1***1**I*1**SSI*MI1S i'1 ■ ■ i ■ ■ ■ ■ i ■ • i >' • 1 ■ i ■ —11 18.1 /z-> 0 20 40 60 80 100 120 140 160 180 200 5.00 5.20 5.40 5.60 5.80

LB.D 052202.M Mon Jun 03 09:27:23 2002 Page 15

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