Unveiling sources, contamination, and eco-human health implications of potentially toxic metals from urban road dust.

ABSTRACT: To investigate the pollution characteristics, ecological and health risks assessment, and source apportionment of potentially toxic metal(loid)s (PTMs) in urban road dust, 140 dust samples collected from eight renowned roads of city Lahore, Pakistan. The geo-accumulation index (I_geo) and enrichment factor (EF) were used for pollution characteristics, modified ecological risk index used for ecological risk assessment, the USEPA models used for health risk assessment, and multivariate statistical analyses were used for source apportionment of PTMs. The ranges of average concentrations (mgkg^-1) in road dust Cd, Hg, Mo, and Pb were 1.91 (CR) to 3.35 (BR), 11.7 (JR) to 29.3 (MuR), 452 (JR) to 1115 (MuR), and 36.9 (MaR) to 110 (BR), respectively, which were several times hi

SUBMITTER: Rehman A 

PROVIDER: S-EPMC11950335 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature