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Indigenous groups challenge New Brunswick’s costly radioactive waste legacy

Difficulty, cost of managing radioactive waste underlined by hearings

by Kim Reeder and Susan O'Donnell
June 8, 2022
Reading Time: 4min read
Indigenous groups challenge New Brunswick’s costly radioactive waste legacy

There is no demonstrated way to safely manage nuclear waste for the millennia the radioactive materials take to decay, write M.V. Ramana and Susan O'Donnell. The Point Lepreau reactor is shown in a file photo.

The recent re-licencing hearing for New Brunswick’s Point Lepreau nuclear reactor highlighted the difficulty and cost of managing the province’s long-lived legacy of radioactive waste.

Most of the radioactive materials generated by the Lepreau nuclear facility were never found in nature before the discovery of nuclear fission 83 years ago.

The Point Lepreau facility, however, has produced – and will continue to produce – thousands of tons of these toxic radioactive materials in the form of high, intermediate and low-level radioactive waste which must be kept isolated from all living things for a period of time that dwarfs the span of recorded human history.

When the Point Lepreau reactor was first built, the materials used in the core area – the metal, the concrete, even the heavy water that fills the vessel – were ordinary, non-radioactive materials. However, these items have all been transformed into extremely radioactive material during the normal operation of the reactor.

In fact, because these materials are so toxic, once the plant is shut down, NB Power has a plan to let the facility sit for approximately three decades before dismantling it, a strategy referred to as ‘deferred decommissioning’. During this time, referred to as the ‘dormancy’ period, the radioactivity will decrease significantly. However, the radioactivity will still be sufficiently high as to require handling by robotic equipment and careful packaging so as not to deliver a lethal dose of radiation to an unshielded worker or the environment.

As reported by NB Power, this ‘deferred decommissioning’ is the chosen strategy for Lepreau, based on two considerations. The first consideration is to keep radioactivity exposure to the decommissioning labour force as low as reasonably achievable. The longer they wait, the less of a hazard the material poses.

The second consideration is that currently, no waste disposal site exists for the Point Lepreau facility itself, which will become thousands of tons of radioactive rubble, classified as intermediate and low-level waste. By deferring decommissioning, NB Power avoids the need to store and monitor the wastes until a disposal facility becomes available. As well, they avoid potential double-handling of wastes to meet unknown future disposal facility requirements.

NB Media Co-op’s Harrison Dressler described in a previous article that during the re-licencing hearing for Point Lepreau, a main focus of the Peskotomuhkati Nation’s intervention reflected their concerns about the lack of adequate planning for the toxic decommissioning waste. The Nation is and always has been opposed to producing and storing radioactive waste on its territory, which includes Point Lepreau.

The Nation does not want the regulator, the Canadian Nuclear Safety Commission (CNSC), to ‘approve’ NB Power’s inadequate plan and financial guarantee for decommissioning Point Lepreau.

The Nation’s expert on the topic, Canadian Coalition for Nuclear Responsibility president Gordon Edwards, compared NB Power’s financial guarantee with an OECD study of dozens of reactors that have already been dismantled. In his report, Edwards notes that NB Power’s financial guarantee is less than 40 percent of what is needed according to the OECD study. Indeed, the total amount NB Power plans to set aside is more than a billion dollars less than what the OECD estimates is likely required.

NB Power’s current decommissioning plan assumes much of the decommissioning waste will be sent off-site to a licensed facility for permanent disposal. Currently no such facilities exist, which is recognized as an industry challenge.

Edwards also found that NB Power has so far made no effort to locate a repository to receive the decommissioning waste, which is solely the responsibility of NB Power and the provincial government. Without a storage site, and without adequate funding, where will it all go?

During the re-licencing hearings in May, both the CNSC and NB Power were questioned by the regulator about the unrealistic nature of their plan, considering the plan assumes there will be a permanent home for this waste – and that no plans are being made for such a facility.

Power lines near the Point Lepreau nuclear generating station, visible in the background on the top left. Photo from Wikimedia Commons.

CNSC staff explained that the current plan is all that is required under Canadian law, and NB Power said that because of the deferred decommissioning strategy, they have a long time to figure out a solution to the problem. Experience shows, however, that NB Power and the New Brunswick government are already late in starting the effort, if they indeed do intend to have a site approved in the 2050s. Lepreau is scheduled to be shut down around 2040.

At the CNSC hearing, the Mi’gmawe’l Tplu’taqnn Inc., and Kopit Lodge – representing Elsipogtog First Nation – also raised similar concerns about radioactive waste. The Wolastoq Nations did not participate in the hearing. However, in March 2021, the traditional Wolastoq Grand Council issued a declaration against producing more radioactive waste at Point Lepreau. No Indigenous community in Canada – or elsewhere – has so far declared itself in favour of storing radioactive waste on its traditional territory.

Without a dramatic increase in the financial guarantee that NB Power must accumulate while the reactor is still earning money by selling electricity, and without a concerted effort to develop a concrete long-term strategy for New Brunswick’s radioactive waste legacy, both the Peskotomuhkati Nation and the New Brunswick population will be left with a permanent dump for radioactive waste right on the shore of North America’s Natural Wonder: the Bay of Fundy.

Kim Reeder, a senior policy analyst with the RAVEN project at the University of New Brunswick, coordinated the CNSC intervention for the Passamaquoddy Recognition Group. Susan O’Donnell, the lead researcher for RAVEN, also participated at the CNSC hearing.

Tags: energyKim ReedernuclearPassamaquoddy Recognition GroupPeskotomuhkati NationPoint LepreauRAVENSusan O'Donnell
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