9a6f9bd3_t_coal_ash_spill___SourceWatch__Ecological_Impacts
[Pollutant] Barium [Human Health Impacts] Can cause gastrointestinal disturbances and muscular weakness. Ingesting large amounts, dissolved in water, can change heart rhythm and can cause paralysis and possibly death. [Ecological Impacts] 
Affects development of geminating bacterial spores and has a variety of effects on microorganisms, including inhibition of cellular processes.
TVA Kingston Fossil Plant coal ash spill - SourceWatch
Ecological Impacts