leachable element
[/ˈliːtʃəbəl ˈɛləmənt/]
nounpl: leachable elements
elemento lixiviável
1. A chemical element or compound that can be dissolved and transported through soil or water by the process of leaching, particularly referring to potentially toxic substances that may contaminate groundwater
Heavy metals such as lead and cadmium are common leachable elements found in contaminated landfill sites.
Metais pesados como chumbo e cádmio são elementos lixiviáveis comuns encontrados em aterros contaminados.
2. In environmental science and waste management, substances that can be extracted or dissolved from solid waste materials when exposed to moisture or liquid percolation
The study analyzed leachable elements in construction debris to assess potential environmental risks.
O estudo analisou elementos lixiviáveis em resíduos de construção para avaliar riscos ambientais potenciais.
This is primarily a technical term used in environmental science, geology, and waste management industries in both Brazil and the USA. It gained prominence in environmental regulations following increased concern about landfill contamination and groundwater protection. In Brazil, the term is particularly relevant given the country's expanding industrial sector and environmental protection laws (ABNT standards). In the USA, EPA regulations frequently reference leachable elements in waste characterization protocols.
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