Radiation rss

Japan to raise worker emergency radiation exposure limits

Regulation and Safety

21 May 2015

Japan's nuclear regulator is to increase the radiation exposure limit for workers in emergency situations from the current 100 millisieverts (mSv) to 250 mSv. The limit was temporarily raised following the March 2011 accident at the Fukushima Daiichi plant.

Fukushima cesium on US coast 'well below' levels of concern, say scientists

Energy and Environment

08 April 2015

North America cesium 134 2014-15 48Scientists at the Woods Hole Oceanographic Institution have for the first time detected the presence of small amounts of radioactivity from the 2011 Fukushima-Daiichi nuclear power plant accident in a seawater sample from the shoreline of North America.

Finnish regulator approves Posiva's waste repository plan

Waste and Recycling

12 February 2015

Olkiluoto repository 48Finland's radiation and nuclear safety authority has given its backing to Posiva's application to construct a final repository and waste encapsulation plant.

Procedural errors led to WIPP release, say investigators

Regulation and Safety

17 April 2015

The radiological event at the Waste Isolation Pilot Plant (WIPP) in New Mexico in February 2014 resulted from shortcomings within both contractor and federal processes, the accident investigation board has concluded. The release, it said, was preventable.

Tepco reschedules water purification target

Regulation and Safety

16 March 2015

Water storage tank at Fukushima Daiichi 48More than 90% of the contaminated water stored on the Fukushima Daiichi site will be treated by the end of May, two months later than originally planned, Tokyo Electric Power Company (Tepco) announced today.

US House passes low-dose radiation bill

Regulation and Safety

20 January 2015

The US Department of Energy and National Academy of Sciences have been directed to work together to assess the current status of US and international research on low-dose radiation and to formulate a long-term research agenda under a bill approved by the US House of Representatives.