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Baseline and quality reference values for natural radionuclides in soils of Rio de Janeiro State, Brazil.
A first large-scale systematic survey of natural radioactivity contents of soils of the state of Rio de Janeiro is presented, focused on the establishment of Quality Reference Values (QRVs). Undisturb... ...
Multivariate analyses to establish reference values for soils in Médio Paraíba, state of Rio de Janeiro, Brazil.
Quality Reference Values (QRVs) for potentially toxic elements are obtained from background levels in soils. However, this determination from mean values or percentiles is not appropriate given the va... ...