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It highlights how TREE contributes to evolving safety cases and supports robust environmental regulatory decisions by reducing uncertainties around non-human biota impacts of long-term, low-dose radiation. The letter details key delivered outcomes, including evidence from the Chernobyl Exclusion Zone, improved public understanding, and new transfer assessment approaches for wildlife, food crops, and soil bioavailability to inform future geological disposal safety case needs.",{"@graph":63,"@context":119},[64,80,102],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":41,"@type":70,"position":76},"https://docshare.wps.com/template/letters/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/tree-letter-of-support-nerc-ia-submission-16-may-2018/279389/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/tree-letter-of-support-nerc-ia-submission-16-may-2018/279389.png","ImageObject",442,249,{"name":88,"@type":89},"Chloe Bennett","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-19","2026-09-16",true,{"@type":98,"interactionType":99,"userInteractionCount":101},"InteractionCounter",{"@type":100},"ViewAction",6,{"@type":103,"mainEntity":104},"FAQPage",[105,111,115],{"name":106,"@type":107,"acceptedAnswer":108},"What purpose does the letter serve?","Question",{"text":109,"@type":110},"It provides a statement on the relevance and impact of the TREE project to the work of national regulatory and waste management organisations.","Answer",{"name":112,"@type":107,"acceptedAnswer":113},"How does TREE support regulatory and safety-case work?",{"text":114,"@type":110},"TREE outputs help reduce uncertainties in assessing impacts on non-human biota and support robust regulatory decisions within evolving safety cases.",{"name":116,"@type":107,"acceptedAnswer":117},"What key impacts does the letter list?",{"text":118,"@type":110},"It cites evidence on authorised releases not posing significant risk to wildlife, research from the Chernobyl Exclusion Zone, public engagement achievements (including Virtual Chernobyl), improved transfer assessment approaches, and new soil bioavailability and uptake understanding for biosphere models.","https://schema.org",{"og:url":78,"og:type":121,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":123,"canonical":78},"index,follow",{"doc_id":125,"site_id":56},279389,1791279304,{"code":4,"msg":5,"data":128},{"doc_id":125,"user_id":129,"nickname":88,"user_avatar":130,"doc_module":9,"category_id":40,"category_name":41,"doc_title":59,"doc_description":61,"doc_content":131,"file_id":132,"file_url":133,"file_type":134,"file_size":135,"view_count":101,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":76,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":9},962084925782,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","Dr Jon Martin  \nHead of Research & Environment  \nBuilding B587 Curie Avenue Harwell Oxford Didcot, Oxon OX11 0RH  \nM +44 (0)7799 656418 [jonathan.martin@nda.gov.uk](jonathan.martin@nda.gov.uk)[ ](jonathan.martin@nda.gov.uk)[www.gov.uk/rwm](www.gov.uk/rwm)  \n16 May 2018  \nTO WHOM IT MAY CONCERN  \nRE: Impacts of the TREE project from the perspective of national regulatory and waste management organisations  \nThe TREE project has benefited from the combined research expertise of leading scientists from the Centre for Ecology & Hydrology and the Universities of Salford, Stirling, Portsmouth, West of England, Lancaster and Plymouth.  \nAs implementer of UK Government policy for the geological disposal of higher active radioactive waste, RWM is leading a multi-generational, multi-billion pound project; one of the largest environmental projects the UK has seen. Disposal of radioactive wastes in England, including geological disposal of higher active radioactive waste is regulated by the Environment Agency. RWM and the Environment Agency are therefore pleased to be able to provide a statement of the relevance and impact of the TREE project on our work. The previous work of the TREE consortium has made a significant contribution to the understanding of the impacts of low levels of radiation on non-human biota, however it is widely recognised that further work in this area would be beneficial. Some of the new understanding challenging previously accepted dose impacts has highlighted this need.  \nFrom RWM’s perspective, we recognise that TREE has helped us to ensure that appropriate consideration is given to this theme in our evolving safety case. The impact of long-term, low-dose radiation is an issue which we recognise to be of significant interest to the public, as highlighted by its presence on RWM’s ‘Issues Register  \n( [https://rwm.nda.gov.uk/issues/topic/non-human-biota/](https://rwm.nda.gov.uk/issues/topic/non-human-biota/)) .  \nFrom the Environment Agency’s perspective the outputs from TREE are helping reduce the uncertainties of impacts on non-human biota. This is important in ensuring that our regulatory decisions are robust. Realistic assessments of impacts are important in good decision making for optimisation, including the use of radioactive substances in healthcare.  \nAs a result, TREE has helped to ensure that society can continue to gain maximum benefit from low carbon nuclear power generation and other important uses of radioactivity, such as in nuclear medicine. TREE has also significantly improved public awareness and understanding of radioactivity in the environment. Some of the key impacts that TREE has delivered to date include:  \n• The demonstration that current and future authorised releases of radioactivity in the UK do not represent a significant risk to wildlife, hence supporting current/future regulation, safety case development and disposability advice for the UKs multi-billion pound nuclear programme over the coming decades.  \n• Provision of sound scientific evidence on the effects of radiation on wildlife in the Chernobyl Exclusion Zone, demonstrating that many reported studies suggesting effects at very low dose rates are indefensible. Both the EA and RWM are liable tobe challenged, especially during public consultations, to demonstrate that radiological risk assessments for the environment are suitable, as exemplified by the above link to RWM’s ‘Issues Register’. We can now use the findings from TREE’s extensive, co-ordinated programme of radiation effects research to help respond to these challenges.  \n• A significant contribution to changing public understanding of radioactivity and its impacts as a result of extensive public engagement activities and media coverage. TREE has undoubtedly captured the imagination of the public and provides an ongoing source of interest for the media. Through public engagement innovations, such as the unique collaboration with virtual reality developers to develop Virtua","cbCaioo05eErNeYG","https://ap.wps.com/l/cbCaioo05eErNeYG","pdf",96984,"English","# TREE Letter of Support - NERC IA Submission\n## Purpose and stakeholders\n## Key impacts delivered by TREE\n## Relevance for regulation and safety cases","[{\"question\":\"What purpose does the letter serve?\",\"answer\":\"It provides a statement on the relevance and impact of the TREE project to the work of national regulatory and waste management organisations.\"},{\"question\":\"How does TREE support regulatory and safety-case work?\",\"answer\":\"TREE outputs help reduce uncertainties in assessing impacts on non-human biota and support robust regulatory decisions within evolving safety cases.\"},{\"question\":\"What key impacts does the letter list?\",\"answer\":\"It cites evidence on authorised releases not posing significant risk to wildlife, research from the Chernobyl Exclusion Zone, public engagement achievements (including Virtual Chernobyl), improved transfer assessment approaches, and new soil bioavailability and uptake understanding for biosphere models.\"}]","TREE Letter of Support - NERC IA Submission - 16 May 2018 | PDF",1789519771]