U.S. Nuclear Regulatory Commission

Ocean water off La Jolla coast being monitored for Fukushima radiation

Ocean water off La Jolla coast being monitored for Fukushima radiation

By Pat Sherman

Two weeks after the March 2011 Fukushima nuclear disaster, UC San Diego atmospheric chemists noticed an unprecedented increase in radioactive sulfur in La Jolla’s air, which they realized was coming from the damaged and leaking Japanese power plant.

However, Mark Thiemens, dean of physical sciences at UCSD, said recent reports of local kayak operators picking up radioactive residue from Fukushima on the bottoms of their boats are probably baseless — or at least not a result of the Fukushima disaster.

Even using one of the most sensitive instruments available, an accelerator mass spectrometer,...

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