Groundwater pollution from hexavalent chromium from Pacific Gas & Electric led to the "a $333-million-dollar, class-action settlement in 1996 -- one of the largest of all time -- and inspired the 2000 blockbuster movie bearing [Erin] Brockovich's name." Despite the settlement, PG&E has "done little to contain the plume of hexavalent chromium, which U.S. EPA deemed a likely carcinogen in a draft assessment last year."

Jeremy P. Jacobs reports for Greenwire August 18, 2011. [2]