NRA OKs plan to bury radioactive waste from nuke plant decommissioning for 100,000 yrs

The Fukushima No. 1 Nuclear Power Plant is seen in this file photo taken from a Mainichi Shimbun helicopter on July 17, 2018.

The Nuclear Regulation Authority (NRA) plans to require that highly radioactive waste generated when nuclear reactors are decommissioned be buried underground at least 70 meters deep for about 100,000 years until the waste becomes no longer hazardous.

Moreover, disposal sites for such waste should not be built in areas that could be affected by active faults or volcanoes.

The plan is part of the proposed regulatory standards on disposal sites for radioactive waste from dismantled nuclear reactors, which the NRA approved on Aug. 1. The NRA will hear opinions from power companies operating nuclear plants and other entities before finalizing the regulatory standards.

Low-level radioactive waste generated when reactors are dismantled is graded by three ranks in descending order from L1 to L3.

The proposed regulatory standards cover L1 waste, such as containers for control rods and fuel assemblies.

There have been no regulatory standards for L1 radioactive waste even though a growing number of nuclear reactors are bound to be decommissioned under the regulatory standards for nuclear plants that have been stiffened following the outbreak of the Fukushima nuclear crisis in March 2011.

Under the proposed regulatory standards for L1 waste, electric power companies would be required to build disposal sites on stable ground. Such facilities should not be built near faults at least 5 kilometers in length. Moreover, utilities would be mandated to confirm from records or geological surveys that there has been no volcanic activity over the past 2.6 million years or so near where they plan to build the disposal sites.

Power companies would also be obligated to avoid building disposal sites near oil or mineral deposits because areas with such natural resources may be excavated in the future.

Such radioactive waste must be regularly monitored over a roughly 300- to 400-year period following its disposal to see if the waste contaminates nearby groundwater. The owners of disposal sites would then be banned from digging areas surrounding the facilities without permission from the central government.

The proposed standards also require that additional radiation exposure dosages from disposal sites be limited to 0.3 millisieverts or less a year in accordance with international standards. It is also required to confirm whether radiation doses would be below that limit even if the functions for shielding radiation were partially lost, such as the container holding radioactive waste being broken, by analyzing doses under such scenarios.

https://mainichi.jp/english/articles/20180802/p2a/00m/0na/008000c

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EVENTS

Did You Know about these important public meetings?

1. Thursday, August 22, 2019 from 4 to 5 pm – Joni Arends will be interviewed by Xubi Wilson on KSFR-FM 101.1 “Living on the Edge” show. She will discuss New Mexico, the nuclear weapons industry, and the sacrifices that are continuing to be extolled from the People by that industry everyday and in every way.

2. Thursday, August 22, 2019 from 5:30 to 7 pm – LANL’s Environmental Management Los Alamos Field Office (EM-LA) public meeting about The Environmental Management Cleanup Forum: Legacy Waste at Los Alamos National Laboratory, at the Santa Fe Community College, 6401 Richards Avenue, Santa Fe.
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3. Friday, August 23, 2019 from 9 am to 4:30 pm – New Mexico Interim Radioactive and Hazardous Committee meeting at the University of New Mexico-Los Alamos, Wallace Hall, 4000 University Drive, Los Alamos. Presenters include: James C. Kenney, Secretary of the NM Environment Department (NMED); Kelly Beierschmitt, Deputy Director of Operations, LANL; and Santa Fe County Commissioner Anna Hansen about DOE Order 140.1 with Jonathan Plaue, with the Defense Nuclear Facilities Safety Board. Topics include: the 2016 NMED Order on Consent for LANL, and the chromium and co-located perchlorate plume. https://www.nmlegis.gov/Committee/Interim_Committee?CommitteeCode=RHMC

4. Monday, August 26, 2019 from 3 to 5 pm – WIPP draft Five-Year Strategic Plan at the Hotel Santa Fe, 1601 Paseo de Peralta, Santa Fe, NM. Unfortunately, at posting time, the draft plan is not available for review prior to the meeting.

5. Wednesday, August 28, 2019 from 10:30 – 12:30 – WIPP draft Five-Year Strategic Plan at the Skeen-Whitlock Building, 4021 National Park Highway, Carlsbad, NM.

6. Thursday, August 29th from 11 to 1 pm – Cold War Patriots are hosting a meeting for DOE/NNSA/LANL/Sandia/WIPP workers and former workers about how to navigate the complex EEOICPA and RECA government programs at St. John’s Methodist Church in Santa Fe. https://coldwarpatriots.org/

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