the compound showed positive responses in both tests , exhibiting weak mutagenicity at the lowest level tested ( 1 mg/plate ) in the rec assay in bacillus subtilis , and inducing statistically significant levels of dna repair in primary hepatocyte cultures at concentrations ranging from 2 x 10 ( -4 ) to 2 x 10 ( -3 ) m .
C1424025
rec
C0012899
dna repair