| Jul 20, 2014

New radiation measurement method spreads confusion

Confusion is spreading among towns and cities tasked with radiation cleanup in the face of a new decontamination policy to be released by the Environment Ministry as early as this month. The government has been decontaminating areas whose aerial radiation reading is 0.23 microsievert ...

Jun 24, 2014

Estimates of 2021 radiation doses predict drop-off in Fukushima

Radiation doses in parts of Fukushima Prefecture now deemed uninhabitable because of contamination will fall by over half by 2021, government estimates released Monday show. Annual doses per person would fall below 20 millisieverts if decontamination work is done, according to the estimates by ...

Jun 16, 2014

Dosimeter readings to guide radiation cleanup

The government will adjust decontamination operations near the Fukushima No. 1 nuclear plant by changing how it selects land to scrub. The goal is to limit individual radiation exposure for residents to 1 millisievert. While decontamination work currently places priority on exposure estimates based ...

Jun 11, 2014

Trial decontamination work stumbles

Trial decontamination work in evacuated areas of Fukushima Prefecture has failed to reduce radiation levels to a point where residents can return to their homes, the Environment Ministry said Wednesday. Radiation levels were lowered by around 50 to 80 percent in test residential areas, ...

Apr 4, 2014

Tepco sets up decommissioning body for No. 1 plant

Tokyo Electric Power Co. said Friday it will coordinate the protracted, difficult decommissioning process for the meltdown-stricken Fukushima No. 1 nuclear plant through a new internal body. The body, called the Fukushima No. 1 Decontamination & Decommissioning Engineering Co., was established Tuesday with three ...

Jan 12, 2014

Lifting of evacuation advisory looms for tainted Tamura

The radiation evacuation advisory imposed on part of Tamura, Fukushima Prefecture, might be lifted in April at the request of residents, it has been learned. The area would be the first in the former exclusion zone set up during the March 2011 Fukushima nuclear ...

Nov 23, 2013

Fukushima land grab eyed

The state plans to buy 15 sq. km of land around the Fukushima No. 1 nuclear plant to build storage sites for radioactive soil and other decontamination waste.

Nov 22, 2013

Three ALPS systems undergoing tests at Fukushima No. 1

by Kazuaki Nagata

Tokyo Electric Power Co. said all three systems of an advanced water processing machine known as ALPS are now in a test operations for the first time simultaneously. The advanced liquid processing system can remove all radioactive materials except for tritium from tainted water, ...