This study investigates seasonal variations in heavy metal concentrations in sediment soils from tannery-affected regions in Ambur, Pernambut, and Vaniyambadi Taluks, Tamil Nadu. Chromium, a predominant pollutant from tanning operations, consistently exhi. International Journal of Environmental Sciences, [S. l.], p. 3663–3667, 2025. DOI: 10.64252/cqz4s807. Disponível em: https://theaspd.com/index.php/ijes/article/view/10840.. Acesso em: 18 apr. 2026.