Comment "The test is described in OECD TG 473, In Vitro Mammalian Chromosome Aberration Test (1997) and in Council Regulation (EC) No 440/2008 laying down test methods pursuant to Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) CELEX:32008R0440/EN"