This paper presents the human health risk assessment of a municipal solid waste landfill, located at Morretes, Paraná State, Brazil, using the RBCA methodology. It was performed a deterministic risk assessment, considering three receptors and three exposure pathways: groundwater ingestion, exposure to surface soil and outdoor inhalation of vapors and particulates. The results showed higher values of risk and hazard indexes for the on-site receptor. It was also performed a probabilistic risk assessment in order to evaluate the effect of both body mass and water ingestion rate correlation and body mass and air inhalation rate correlation on the risk frequency distributions. The results showed that using the hypothesis of independence between the variables leads to a more conservative decisions.Keywords: solid waste; landfill, risk assessment; human health. O desenvolvimento de metodologias de avaliação de áreas degradadas, utilizando-se considerações de avaliação de risco como importante ferramenta para tomada de decisão, ocorreu em razão das dificuldades tecnológicas e do alto custo associado à remediação de solos e aquíferos contaminados. Em decorrên-cia disso, padrões são estabelecidos considerando-se as condições e os riscos relacionados à saúde humana e ao meio ambiente do local contaminado em vez do uso de critérios únicos, tais como os padrões de potabilidade de água. Assim, os padrões são estabelecidos considerando-se as condições e os riscos relacionados à saúde humana e ao meio ambiente, evitando-se grandes
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