Fracking wastewater accumulation found in freshwater mussels’ shells

Fracking wastewater accumulation found in freshwater mussels' shells 2

Elevated concentrations of strontium, an element associated with oil and gas wastewaters, have accumulated in the shells of freshwater mussels downstream from fracking wastewater disposal sites. https://www.sciencedaily.com/releases/2018/10/181022135716.htm