- The study assesses metal pollution in school dust in Mashhad by measuring concentrations of various metals and identifying their sources, while evaluating both health risks and ecological impacts.
- Findings revealed low pollution levels regarding most metals measured, with anthropogenic sources identified as the primary cause; however, concerns were raised about chromium and cadmium, which showed potential ecological and health risks.
- This research is significant as it is the first of its kind in Mashhad and Khorasan Razavi province, highlighting the need for ongoing monitoring to prevent harmful effects associated with metal pollutants.