Dissolved organic matter influences the activation and release risks of arsenic and thallium in mine stream sediments

Key Points

• Dissolved organic matter significantly influences the activation and release of arsenic and thallium in sediments.
• The study shows that higher concentrations of dissolved organic matter correlate with increased release risks of these metals.
• This assessment involved sediment analysis from multiple mine stream sites to evaluate contaminant behavior and risks.
• Understanding these influences highlights the necessity for monitoring dissolved organic matter to address environmental contamination.