"Too much exposure to barium can cause tremors, breathing problems, diarrhea, irregular heartbeats, paralysis and death. Who could blame people for worrying if they live near huge mounds of soil laced with it?
The prospect of dust kicking up from those mounds when crews finally start building a freeway segment on top of them is causing some anxiety in neighborhoods west of downtown Modesto."

Garth Stapley reports for the Modesto Bee December 12, 2011. [2]