Notre groupe organise plus de 3 000 séries de conférences Événements chaque année aux États-Unis, en Europe et en Europe. Asie avec le soutien de 1 000 autres Sociétés scientifiques et publie plus de 700 Open Access Revues qui contiennent plus de 50 000 personnalités éminentes, des scientifiques réputés en tant que membres du comité de rédaction.

Les revues en libre accès gagnent plus de lecteurs et de citations
700 revues et 15 000 000 de lecteurs Chaque revue attire plus de 25 000 lecteurs

Abstrait

Evaluating the Levels of Heavy Metals in Auto-Mechanic Waste Disposal Sites Across Makurdi Metropolis

Tom Brown

This study aimed to evaluate the contamination of heavy metals in auto-mechanic dumpsites located in the Makurdi metropolis, specifically in Kanshio (K), Northbank (NB), and Wadata (W) areas. The heavy metal concentrations (Cd, Cu, Pb, and Zn) were determined using an atomic absorption spectrophotometer (PG990). The mean concentrations of these heavy metals were found to exceed their respective reference permissible levels in the soil, as defined by World Health Organization (WHO), United States Environmental Protection Agency (USEPA), Mean Shale Concentration (MSC), and World Surface Rock Average (WSRA) guidelines. This indicates a significant level of pollution in the area, possibly attributed to activities such as welding, lead battery repairs, and coatings. Geo-accumulation index, contamination factor, and pollution load index were employed to assess the extent of contamination