Reuters: The U.S. Nuclear Regulatory Commission has approved a rule for allowable radiation levels at the proposed nuclear waste site at Yucca Mountain in Nevada for up to 1 million years, the NRC announced on Tuesday. The NRC is now accepting the radiation standards from Yucca Mountain as determined by the U.S. Environmental Protection Agency. The NRC kept the EPA’s rule of limiting the dose of radiation to 15 millirem for the first 10,000 years after disposal. Now, the NRC has adopted …