3.4. In vitro mammalian cell genotoxicity
Methyl methanesulfonate and benzo[a]pyrene as positive control
substances (data not shown) as well as the TPM of the reference
cigarette 2R4F produced mutagenicity results consistent
with historical data from the laboratory.
Genotoxicity results on a per cigarette basis are given in the
Appendix in Table C. There were no significant differences between
the genotoxicity of TPM from the test cigarettes containing either
Mix A, B or C when compared to that of the control cigarette.