Chemicals

"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.

"Patented as a flame retardant for plastics, and banned in food throughout Europe and Japan, a brominated chemical called BVO has been added to sodas for decades in North America. Now some scientists have a renewed interest in this little-known ingredient, found in 10 percent of sodas in the United States. Research on its toxicity dates back to the 1970s, and some experts now urge a reassessment."

"Air concentrations of the brominated chemicals doubled every 13 months in recent years in Cleveland and Chicago."

"The Food and Drug Administration must come up with a decision by March 31 on whether to ban a chemical that’s widely used in plastics and the metal linings of food containers, according to a court settlement reached Wednesday between the agency and the Natural Re­sources Defense Council."

"At a hearing in Washington yesterday, lawmakers pressed product safety and health regulators about their three-year investigation into contaminated drywall, expressing frustration with their progress on all fronts."

"An exhaustive new report meant to address public fears about possible links between breast cancer and the environment finds evidence strong enough to make only a few firm recommendations, most already well known and none with a large proven benefit."

A new study showing that traces of arsenic can be absorbed by humans from rice raises questions about whether the exposure presents a risk -- and, if so, how to minimize it.