The Nuclear Regulatory Commission ordered the inspections yesterday -- a few hours after Exelon officials declared an emergency at its LaSalle plant.
Company officials say the turbine control system at the LaSalle facility malfunctioned as workers were shutting down a reactor for refueling. State and federal safety regulators say there were no radiological releases in that incident.
But Exelon has come under fire over the release of wastewater containing a radioactive material called tritium at its Braidwood, Dresden and Byron plants.
NRC spokesman Jan Strasma says inspections will be done at all seven Exelon plants in Illinois that handle tritium.
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