Upcoming NAWG Workshops

Upcoming NAWG Workshops

Announcement of the 15th NAWG Workshop

(Tuesday, 23rd to Thursday, 25th May, 2017, ÚJV laboratory, Řež, Prague)

NAWG 15 announcement

NAWG 15 Announcement 1.5mb PDF pdf small

NAWG 15 Programme 293 kb PDF pdf small

NAWG 15 Registration form 301 kb PDF pdf small

The NAWG-15 workshop will be an opportunity to explore recent developments in the use of natural analogues (NA) in supporting safety cases (SC) for the disposal of radioactive wastes. Argumentation by use of analogy is well established in many fields including philosophy, biology, linguistics and law and most scientists are familiar with this approach and will have used it at some point in their career. If you are keen to learn more, why not come along? Currently, the programme looks like this:

Tuesday 23rd May.

08:45 – 09:00 Opening of the course and organisational aspects, Venda Havlova (UJV, Rez, our local host) and Russell Alexander (NAWG)
09:00 – 09.15 Current status of the Czech programme – Jiří Slovák, SURAO, Czech Republic
Session I To explore the current use of natural analogues in developing and supporting the safety case, presentations - Chair: Venda
09:15 – 10:15 Use of natural analogues in the UK safety case – Simon Norris (RWM Ltd, UK)
10:15 – 10:45 Coffee/tea
10:45 – 11:30 Safety Case communication - Interim report of the NEA Integrated Group for the Safety Case – Ulrich Noseck (GRS, Germany)
11:30 – 12:30 Use of natural analogues in the Finnish safety case – status update on the Complementary Considerations approach – Heini Reijonen (GTK, Finland)
12:30 – 13:45 Lunch
Session I (cont) To explore the current use of natural analogues in developing and supporting the safety case - discussions in small groups - Chair : Russell Alexander (NAWG)

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?
15:30 – 16:00 Coffee/tea
16:00 Presentation of main points from the discussion
ca.17:00 Session I wrap-up
Session II Posters: posters will be on show throughout the workshop - Trains at 17:22 & 17:52
19:00 NAWG-15 Workshop Dinner : Sousedský pivovar Bašta/Neighbourly Brewery Bašta, Táborská 49, Praha 4

Wednesday 24th May.

Session III To explore the current use of NA in communicating both the results of the SC and also the wider aspects of radwaste disposal  - Chair : Radek
09:00 – 10:00 The use of natural analogues in building links with municipal and First Nation stakeholders in the NWMO site selection process - Alec Blyth,
NWMO, Canada
10:00 – 10:30 Coffee/tea
10:30 – 11:30 Communicating the results of the EU-research project Carbon-14 Source Term - Erika Neeft, Covra, The Netherlands
11:30 – 12:00 Discussion
12:15 – 13:130 Lunch
Session IV NA studies of repository processes - Chair : Ulrich
13:30 – 14:00 Investigation of postglacial faults in Finland - an update -Timo Ruskeeniemi, GTK, Finland
14:00 – 14:30 Using natural analogue observations for testing large scale numerical models of oxygen intrusion into fractured rocks - Jorge Molinero Amphos21, Spain
14:30 – 15:00 Palaeohydrology of NW Cumbria, UK: part I - Tony Milodowski BGS, UK
15:00 – 15:30 Cofee/tea
15:30 – 16:00 Natural U distribution at the KURT site - Jang-Soon Kwon KAERI, RoK
16:00 – 16:30 Potential for fractured higher strength rocks to uptake radionuclides from groundwater – a natural analogue study - Richard Metcalfe, Quintessa, UK
16:30 – 17:00 GAP update and final reporting - Jon Engström, GTK, Finland
17:00 Close of session IV - Trains at 17:22 & 17:52

Thursday 25th May.

Session V 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 - Polly Tsai, INER, RoC
09:30 – 10:00 Natural glasses as NA for vitrified HLW - Venda Havlova, UJV, Czech Republic
10:00 – 10:30 Coffee/tea
10:30 – 11:00 Copper canister natural analogues - Heini Reijonen, GTK, Finland
11:00 – 12:00 The oldest steel in the world? - Russell Alexander, Bedrock Geosciences, Switzerland
12:00 – 13:30 Lunch
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 - Naoki Fujii, RWMC, Japan
14:00 – 14:30 International Bentonite Longevity (IBL) project: an introduction - Heini Reijonen, GTK, Finland
14:30 – 15:00 Coffee/tea
15:00 – 15:30 Natural analogue study on the effect of loading on bentonite deformation - Tatsuya Kijima, NRA, Japan
15:30 – 16:00 Longevity of borehole seals: NA input and open questions - Russell Alexander, Bedrock Geosciences, Switzerland
16:00 Workshop wrap-up - Venda Havlova, Radek Cervinka & Russell Alexander

Friday, 26th May - Session VI: Field trip to SÚRAO’s Bukov URL in the former Rozna uranium mine (07:00 - 18:00)

These are but a few examples and we are open to any suggestions to broaden the scope of the meeting - please drop Russell Alexander (the NAWG Chairman) a line with your ideas and comments at This email address is being protected from spambots. You need JavaScript enabled to view it. before 14th April, 2017. The workshop will be held with the kind support of  ÚJV Řež, a.s. and SÚRAO.

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