50
60
70
80
90
100
110
120
130
140
0
50
100
128
30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190
0
50
100
178
70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270
0
50
100
228
m/z
Rel. intensity
Fig. 5.4 Mass spectra of naphthalene, phenanthrene and benz(c)anthracene
102
5 GC/MS Data Evaluation