Title: 210Pb in marine salt consumed by the inhabitants of Recife, Brazil

Authors: C.M. Silva; C.E.O. Costa Júnior

Addresses: Escola Politécnica da Universidade de Pernambuco-Campus Benfica, Rua Benfica 455, Recife, PE 50720-001, Brazil ' Departamento de Energia Nuclear, Grupo de Estudos em Radioproteção e Radioecologia (GERAR), Universidade Federal de Pernambuco, Av. Professor Luiz Freire, 1000, Recife, Pernambuco, CEP-50740-540, Brazil

Abstract: 210Pb is widely distributed in the marine environment. The aim of this research, therefore, was to determine 210Pb concentrations in marine salt consumed by the population of Recife and calculate the ingestion dose of 210Pb due to marine salt consumption. The ion exchange resin method was used. The concentration of 210Pb varied from 4 to 365 Bq kg−1 in fresh weight. The estimated ingestion dose of 210Pb due to consumption of marine salt in the population of Recife was 1.2 Sv, at least three orders of magnitude above the maximum recommended level.

Keywords: contamination; radioactivity; radiation dose; marine salt; Brazil; ingestion dose; radionuclides; radioactive isotopes; lead radioisotopes; low radiation.

DOI: 10.1504/IJLR.2014.063410

International Journal of Low Radiation, 2014 Vol.9 No.4, pp.266 - 273

Received: 07 Nov 2013
Accepted: 21 May 2014

Published online: 14 Jul 2014 *

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