NAWG-15 Workshop UJV-Rez, Prague 23-26 th May, 2017 Tuesday 23 rd May Introduction and registration 08:45 09:00 Opening of the course and organisational aspects 09:00 09:15 Current status of the Czech national programme Session I To explore the current use of natural analogues in developing and supporting the safety case - presentations 09:15 10:15 Use of natural analogues in the UK safety case 10:15 10:45 Coffee/tea 10:45 11:30 11:30 12:30 12 :30 13:45 Lunch Safety case communication - interim report of the NEA Integrated Group for the Safety Case Use of natural analogues in the Finnish safety case status update on the Complementary Considerations approach Venda Havlova & Jiří Slovák, SURAO, Czech Republic Chair: Venda Simon Norris RWM Ltd, UK Ulrich Noseck GRS, Germany
Session I (cont.) 13:45 15:30-16:00 Coffee/tea To explore the current use of natural analogues in developing and supporting the safety case - discussions in small groups Points to be considered include: relative weighting of laboratory, URL, modelling results and NA ground truthing of modelling results via NA input is that the limit? Why so little NA in SC, does it have an image problem? 16:00 Presentation of main points from the discussion ca. 17:00 Session I wrap-up Chair: Russell Session II Posters: posters will be on show throughout the workshop Trains at 17:22 & 17:52 NAWG-15 Workshop Dinner 19:00 Session III 09:00 10:00 10:00 10:30 Coffee/tea 10:30 11:30 11:30 12:15 Discussion 12:15 13:30 Lunch Sousedský pivovar Bašta/Neighbourly Brewery Bašta, Táborská 49, Praha 4 Wednesday 24 th May To explore the current use of NA in communicating both the results of the SC and also the wider aspects of radwaste disposal The use of natural analogues in building links with municipal and First Nation stakeholders in the NWMO site selection process Communicating the results of the EU-research project Carbon-14 Source Term Chair: Radek Alec Blyth NWMO, Canada Erika Neeft Covra, The Netherlands
Session IV NA studies of repository processes Chair: Ulrich 13:30-14:00 Investigation of postglacial faults in Finland - an update 14:00-14:30 Using natural analogue observations for testing large scale numerical models of oxygen intrusion into fractured rocks 14:30-15:00 Palaeohydrology of NW Cumbria, UK: part I 15:00-15:30 Coffee/tea 15:30-16:00 Natural U distribution at the KURT site 16:00-16:30 Potential for fractured higher strength rocks to uptake radionuclides from groundwater a natural analogue study 16:30-17:00 GAP update and final reporting Timo Ruskeeniemi Jorge Molinero Amphos21, Spain Tony Milodowski BGS, UK Jang-Soon Kwon KAERI, RoK Richard Metcalfe Quintessa, UK Jon Engström 17:00 Close of session IV Trains at 17:22 & 17:52 Session V Thursday 25 th May NA of repository materials Session Va Waste forms and waste containers Chair: Simon 09:00-09:30 Archaeology analogues for geological disposal of spent nuclear fuels (SNFs) current status and future outlook in Taiwan 09:30-10:00 Natural glasses as NA for vitrified HLW 10:00-10:30 Coffee/tea Polly Tsai INER, RoC Venda Havlova UJV, Czech Republic
10:30-11:00 Copper canister natural analogues 1100 1200 The oldest steel in the world? 12:00-13:30 Lunch Bedrock Geosciences, Switzerland Session Vb NA studies of the long-term behaviour of the bentonite buffer Chair: Walter 13:30-14:00 Stability of smectite under hyperalkaline fluids which include high levels of Fe, Mg and Al ions 14:00-14:30 International Bentonite Longevity (IBL) project: an introduction 14:30-15:00 Coffee/tea 15:00-15:30 15:30-16:00 16:00 Workshop wrap-up Session IV Natural analogue study on the effect of loading on bentonite deformation Longevity of borehole seals: NA input and open questions Friday 26 th May Field excursion: Visit SURAO s new Bukov URL in the former Rozna uranium mine Naoki Fujii RWMC, Japan Tatsuya Kijima, NRA, Japan Bedrock Geosciences, Switzerland Venda Havlova, Radek Cervinka & Russell Alexander 07:00 18:00
Posters: Initial research on geological conditions in the Underground Research Facility Bukov, Bohemian Massif, Czech Republic. Zita Bukovská, Czech Geological Survey, Czech Republic Palaeohydrology of NW Cumbria, UK: part II. Tony Milodowski, BGS, UK NA studies of cementitious systems what do we need now?, Bedrock Geosciences, Switzerland