The border of the plume has shifted 1,800 feet beyond a containment boundary set up by Pacific Gas & Electric Co. in 2008, spreading higher levels of a cancer-causing heavy metal isotope, state officials say. A plume of chromium-tainted groundwater is once again bearing down on residents of Hinkley, Calif., where more than a decade ago an underdog battle with Pacific Gas & Electric Co. spawned a multimillion-dollar settlement and the Oscar-winning film “Erin Brockovich.”
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Tainted PG&E groundwater plume again threatens residents of Hinkley, Calif.