The author used a recent article on lindane reductive dechlorination by Fe/Pd bimetallics to complain that dozen of published works in several journals are not conform to the state-of-the-art knowledge on the mechanism of aqueous contaminant removal by metallic iron (e.g. in Fe-0/H2O systems). It is shown that the contribution of adsorbed Fe-II to the process of contaminant reduction has been neglected while discussing the whole process of contaminant reduction in the presence of bimetallics. (C) 2010 Elsevier B.V. All rights reserved.