Analysis of mercury concentrations in groundwater: an Applied study using data from the United States Geological Survey. The International Journal for Scientific Research, [S. l.], v. 4, n. 9, 2025. DOI: 10.59992/IJSR.2025.v4n9p6. Disponível em: https://vsrp.co.uk/index.php/ijsr/article/view/1197. Acesso em: 2 jul. 2026.