Sediment Quality Status of Lake Saint-François in 2018
Highlights
Status: Sediment quality in Lake Saint-François in 2018 is classified as moderate, primarily because of high concentrations of organic contaminants measured in the upstream sector of the lake.
Trend: Between 2008 and 2018, concentrations of polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs) increased, while concentrations of other substances decreased slightly or remained stable.