Table 1.

Compositions of media related to experiments of evaluation of cellular growing in presence or absence of heavy metals and/or EPS.

	Gasoline 0.10 % (v/v)	Cd, Zn and Cu (1 ppm each)	EPS 0.05 g/L
Control 1	no	no	no
Experiment 1	yes	no	no
Experiment 2	yes	yes	no
Experiment 3	yes	no	yes
Experiment 4	yes	yes	yes