Table 3. Average Number of the Positive Wells.

		mutagenicity
compounds		TA 98		TA Mix
		S9+	S9–	S9+	S9–
comp. 6h	DMSO	0	0	0	0
	75 μM	0	0	8	5
	37.5 μM	0	0	0	0
	18.75 μM	0	0	0	0
	9.4 μM	0	0	0	0
	4.7 μM	0	0	0	0
	control 4-NQO/2-NF	26	26	26	26
	control 2-AA	16	16	16	16
	no dose	0	0	0	0
comp. 6o	DMSO	0	0	0	0
	50 nM	0	0	15.3	15.3
	25 nM	0	0	0	0
	12.5 nM	0	0	0	0
	6.25 nM	0	0	0	0
	3.125 nM	0	0	0	0
	control 4-NQO/2-NF	26	26	26	26
	control 2-AA	16	16	16	16
	no dose	0	0	0	0