Journal of Environmental Protection, 2014, 5, 751-759 Published Online June 2014 in SciRes. http://www.scirp.org/journal/jep http://dx.doi.org/10.4236/jep.2014.59077 How to cite this paper: de S. Pereira, W. and Kelecom, A. (2014) International Recommendations on Calculation of Ab- sorbed Dose in Biota: A Comprehensive Revue. Journal of Environmental Protection, 5, 751-759. http://dx.doi.org/10.4236/jep.2014.59077 International Recommendations on Calculation of Absorbed Dose in Biota: A Comprehensive Revue Wagner de S. Pereira 1,2 , Alphonse Kelecom 2 1 Multidisciplinary Group of Radio Protection (GMR), Serviço de Radioproteção, Unidade de Tratamento de Minério, Indústrias Nucleares do Brasil, Caldas, Brazil 2 Laboratory of Radiobiology and Radiometry Pedro Lopes dos Santos (LARARA-PLS), Group of Environmental Themes Assessment (GETA), Universidade Federal Fluminense (UFF), Niterói, Brazil Email: pereiraws@gmail.com Received 15 April 2014; revised 12 May 2014; accepted 4 June 2014 Copyright © 2014 by authors and Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract Since the early times, radioprotection has been focused on the human being. Currently this appro- ach has changed, being now also necessary to take care of the protection of the environment from unwanted effects of ionizing radiation. To this end, several institutions (UNSCEAR, ICRP, IAEA, DOE, ACRP) and consortia of institutions (FASSET, ERICA) have established procedures in order to pro- tect the biota of such effects. Developed procedures are based on the calculation of the absorbed dose in biota (ICRP, DOE, IAEA), or on environmental risk assessment―ERA (DOE, ACRP, FASSET, ERICA); but even in this latter approach the parameters used are related to the absorbed doses in biota. The calculation of dose is the standard procedure in human radioprotection, and this points such an approach as the most interesting for providing a convergence between human and non- human (= biota) radioprotections. On the other hand, the ERA approach is easier to apply, because this methodology is used in several countries for non-radioactive contamination assessments. Since the world radioprotection system follows a number of institutions (UNSCEAR, ICRP, IAEA and regulatory institutions of member countries) that use dose calculation, this appears to be the way for biota radioprotection. We here review and comment the evolution of the concepts and approaches of the recommendations for radioprotection of non-human biota. Keywords Biota, Absorbed Dose, Radioprotection, International Recommendations