Nuclear regulators urge high-tech fire detection

Many of the hundreds of workers at the Shearon Harris nuclear plant in New Hill, N.C., are busy with high-tech tasks like calibrating equipment, monitoring radiation fields or controlling the reactor. But around the clock, there are three people on duty who simply walk the plant and sniff for smoke. The Nuclear Regulatory Commission is urging nuclear plants to embrace a more systematic approach to assessing fire risk -- one that relies on a computer program.

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