Limites máximos recomendados e permitidos de Radon-222 na água e no ar: Revisão sistemática

Autores

DOI:

https://doi.org/10.33448/rsd-v11i15.36761

Palavras-chave:

Radiação natural; Leis para Radon 222; Contaminação da água potável e do ar por radiação; Câncer de pulmão por radiação; 222Rn; Limites de radônio.

Resumo

O radônio-222 é um gás radioativo que, quando inalado em altas concentrações, pode prejudicar a saúde humana. No entanto, existem vários limites recomendados e máximos permitidos de Radon-222 na água e no ar na comunidade internacional. Assim, esta pesquisa teve como objetivo avaliar os limites máximos recomendados e permitidos de Radon-222 em água potável e ar interno na comunidade internacional, indicando as organizações mais referenciadas em estudos de Radon-222 por meio de uma revisão sistemática. Os resultados indicam que há variação de até 1000% entre os limites estabelecidos para as concentrações de Radon no ar indicados pelo ICRP e US EPA. Para a água, o limite máximo estabelecido pela EURATOM é 90 vezes superior ao estabelecido pela US EPA. Evidenciou-se também maior relevância quanto à presença do Radon-222 no ar, devido ao seu potencial de se desprender de diversos meios físicos, como agitação da água, sua ocorrência em materiais de construção e sua liberação por solo contaminado. Por fim, verificou-se também que os limites impostos pela US EPA para a presença do Radon-222 na água e no ar foram os parâmetros mais utilizados para comparação na comunidade científica e que cerca de 80% dos estudos avaliados reportaram de duas fontes que propuseram Limites de Radon-222 no ar e na água.

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Publicado

12/11/2022

Como Citar

CATÃO, R. de L. C. M. do R. .; FEITOSA, P. H. C. .; RODRIGUES, A. C. L. .; ALMEIDA, R. de A. C. .; BARBOSA, D. L. .; GUEDES, M. T. de J. C. . Limites máximos recomendados e permitidos de Radon-222 na água e no ar: Revisão sistemática. Research, Society and Development, [S. l.], v. 11, n. 15, p. e144111536761, 2022. DOI: 10.33448/rsd-v11i15.36761. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/36761. Acesso em: 30 jun. 2024.

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Engenharias