by BRACEVILLE, Ill. - Radioactive tritium has leaked from three-quarters of U.S. commercial nuclear power sites, often into groundwater from corroded, buried piping, an Associated Press investigation shows.The number and severity of the leaks has been escalating, even as federal regulators extend the licenses of more and more reactors across the nation.Tritium, which is a radioactive form of hydrogen, has leaked from at least 48 of 65 sites, according to U.S. Nuclear Regulatory Commission records reviewed as part of the AP's yearlong examination of safety issues at aging nuclear power plants. Leaks from at least 37 of those facilities contained concentrations exceeding the federal drinking water standard -- sometimes at hundreds of times the limit.While most leaks have been found within
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BRACEVILLE, Ill. - Radioactive tritium has leaked from three-quarters of U.S. commercial nuclear power sites, often into groundwater from corroded, buried piping, an Associated Press investigation shows.
The number and severity of the leaks has been escalating, even as federal regulators extend the licenses of more and more reactors across the nation.
Tritium, which is a radioactive form of hydrogen, has leaked from at least 48 of 65 sites, according to U.S. Nuclear Regulatory Commission records reviewed as part of the AP's yearlong examination of safety issues at aging nuclear power plants. Leaks from at least 37 of those facilities contained concentrations exceeding the federal drinking water standard -- sometimes at hundreds of times the limit.
While most leaks have been found within plant boundaries, some have migrated offsite. But none is known to have reached public water supplies.
....since much of the piping is inaccessible and carries cooling water, the worry is if the pipes leak, there could be a meltdown.
"You got pipes that have been buried underground for 30 or 40 years, and they've never been inspected, & the NRC is looking the other way," said engineer Paul Blanch, who has worked for the industry and later became a whistleblower. "They could have corrosion all over the place."
CBS