• Organically bound tritium (OBT) has become of increased interest within the last decade, with a focus on its behavior and also its analysis, which are important to assess tritium distribution in the environment. In contrast, there are no certified reference materials and no standard analytical method through the international organization related to OBT.
  • In order to resolve this issue, the 1st International Workshop on OBT and its analysis was organized by CEA and AECL and held in Balaruc les Bains, France from 21st to 24th May, 2012.
  • The 2nd OBT Workshop – Research, analysis and inter-comparison results – was organized through collaboration between the CEA, AECL and GAU. The Workshop took place in Southampton (United Kingdom), between the 22nd and the 24th of September, 2013.
  • The 3rd OBT Workshop was organized by AECL and CEA in Ottawa, Canada from 15th to 18th September 2014.
  • The 4th OBT Workshop was organized by the SN Nuclearelectrica – CNE Cernavoda, in Bucharest, Romania, between August 31st and September 2nd 2015, followed by a technical visit to Cernavoda Nuclear Power Plant on September 3rd.
  • The 5th OBT Workshop was organized by CEA and held in Le Mans, France, from 4th to 7th October 2016.
  • The 6th OBT Workshop – Research, analysis and inter-comparison results was organized by GAU and held in Winchester, UK, from 9th to 11th October 2017.
  • The 7th OBT Workshop was organized by CNL in Toronto, Canada from 24th to 27th September 2018.
  • The 8th OBT Workshop will be organized by the SN Nuclearelectrica – CNE Cernavoda, in Constanta, Romania, between 1st and 5th September 2019, including a technical visit to Cernavoda Nuclear Power Plant.
If you are interested in attending, please contact us:
E-mail: obt2019@cne.ro Tel/Fax: +40 241 235 575

Main Organizing Committee

  • Nicolas Baglan, CEA – France
  • Sang Bog Kim, CNL – Canada

Local Organizing Committee

  • Cristina Bucur, SNN-Cernavoda NPP
  • Simona Zaharov, SNN-Cernavoda NPP
  • Danut Tataru, SNN-Cernavoda NPP

Scientific Committee

  • N. Baglan, CEA/DAM-DIF – France
  • C. Cossonnet, IRSN/Orsay – France
  • S. B. Kim, CNL – Canada
  • N. St-Amant, CSNC – Canada
  • W. Croudace, University of Southampton – UK
  • P. E. Warwick, University of Southampton – UK
  • A. Melintescu, IFIN-HH – Romania
  • C. Bucur, SNN-Cernavoda NPP – Romania


Preliminary programme

Sunday 1st September

Afternoon  Arrival and Registration

Evening   Welcome cocktail

Monday 2nd September

Morning   Opening

Overview of the project



Afternoon  Tritium environmental monitoring – Presentations

Evening   Official Dinner

Tuesday 3rd September

Morning   Feedback from the OBT WG Interlaboratory

exercises: 2012 – 2018


Afternoon  5th OBT Intercomparison exercise – final report

Evening   Conference Dinner

Wednesday 4th September

Morning   6th OBT Intercomparison exercise – preliminary 



Afternoon  Discuss future work

Evening   Social event

Thursday 5th September – optional

Morning   Visit the Cernavoda Nuclear Power Plant or

Visit the Danube Delta


Afternoon  Return to Constanta from Cernavoda NPP

Evening   Return to Constanta from Danube Delta

Call for papers


  1. Tritium in the environment
  • Release and behaviour in the environment
  • Environmental monitoring
  1. Organically bound tritium
  • Definitions
  • Formation / production
  • Analytical methods
  • Standardization
  • Dosimetry
  1. Inter-comparison exercises
  • Feedback from previous intercomparison exercises
  • Setting of future exercises
  1. Tritium sources, evolution and modelling

Abstract Guidelines

Abstract must be in English and must include:

  • Title of the paper
  • Surnames and first names, email addresses of the authors
  • An abstract on one A4 page (maximum)
  • Font: Times, Size: 11pt, Line spacing: single
  • Figures are allowed
  • File must not exceed 10MB.

Submit an Abstract

Abstract must be submitted by e-mail to obt2019@cne.ro

Abstract deadline: 15th July 2019

Register for the 2019 OBT Workshop

Registration fees (accommodation is not included)

  • Conference fee: 300 €

End of registration: 1st August 2019

Registration confirmation

Registration confirmation will be send by email upon receipt of full payment.

Method of payment

Bank transfer to Asociatia WOMEN IN NUCLEAR Romania
Fiscal code no: 28972149

4-6 Slavesti Street, Sector 1, Bucharest, Romania www.win.org.ro

Account No. IBAN: RO38RNCB0072124151620001 (LEI)
RO11RNCB0072124151620002 (EUR)
RO81RNCB0072124151620003 (USD)
Transfer description: OBT 2019 Registration fee

Before August 1st 2019: 300 € (Coffee breaks, Lunches, Welcome cocktail, Conference dinner, Social event, Visit to Cernavoda NPP)

To register for the 2019 OBT Workshop, please contact:
E-mail: obt2019@cne.ro Tel/Fax: +40 241 235 575


Hotel Ramada Constanta by Wyndham, 4* 
Mamaia Bulevard, Sat Vacanta Area, Constanta, Romania

Located between the Tabacariei Lake and the Black Sea – Mamaia Beach - View the Google map

Ramada Hotel, 4* is located on Mamaia resort on the Black Sea shore, open all year round, 5minutes to the Mamaia Beach. The hotel was inaugurated in 2017, part of the largest hotel chain, Wyndham Hotels & Resorts.

Hotel Facilities: The hotel has 170 modern and exclusive accommodation spaces, with a surface from 38 sqm up to 120 sqm, 4 conference rooms with a capacity of up to 220 seats, a stylish restaurant, an ideal bar for socializing and a sky bar, offering a spectacular and unforgettable view across the lake and the Black Sea. The hotel also offers an underground and outdoor parking, with a capacity of 120 seats, provided free of charge for the hotel’s guests.

Room Facilities: Room features:

LCD TV /LED, telephone, WI-FI internet, work desk, coffee table, iron and ironing board, safe, minibar, espresso machine, economizer, air conditioning, carpet, card access, baby cot bed (free of charge, available on request, subject to availability)

Bathroom features: shower cabin, makeup mirror, hair dryer, hygiene

For more information about the hotel, please visit www.ramadaconstanta.ro
To discover more about the area, please feel free to visit  www.romaniatourism.com/dobrogea

 for things to discover in Constanta


Register for accommodation for the 2019 OBT Workshop

A limited number of rooms has been secured for the 2019 OBT Workshop at the  Hotel Ramada Constanta by Wyndham, 4*between 01-05Sep 2019.

Hotel Name Category: Ramada Hotel 4* Mamaia 
Single Room Rate:  € 87/Night
Double Room Rate:  € 98/Night

All hotel rooms are directly in the meeting venue. Accommodation prices include breakfast and all taxes.
The full payment is required to confirm your reservation.
Additional expenses such as mini-bar and telephone must be paid directly to the hotel.

Hotel check-in time is 15:00 or earlier. Please note that the hotel guarantees availability of the rooms from the official check-in time only. Should you wish to check-in earlier, extra costs may apply.
Check-out time is 11:00. Should you wish to check-out later, extra costs may apply. Early check-ins and late check-outs cannot be guaranteed free of charge.
Payment have to be made in Euros (EUR)
All costs are to be borne by the ordering customer

Payments made by bank transfer could be subject to fees payable to your local bank
Payment by personal cheques cannot be accepted
Reservation, changes and cancellations by phone are not accepted

Please be assured that you have available visa (if requested) and valid travel documents

We are not responsible for any problem may occur regarding your travel documents, after tickets, accommodation, transfers, optional trips havebeen  confirmed and issued

>> To register for accommodation, flight tickets, transfer, optional trips, please click here <<

Key Information


  • Mon 2nd September 2019 (09 am start)
  • Tues 3rd September 2019 (including Official dinner)
  • Wed 4th September 2019 (including Social event: wine tasting at a local vineyard)
  • Thu 5th September 2019 (optional Technical visit – 8 am transport to Cernavoda NPP or Visit the Danube Delta)

Optional arrival on 1st September 2019 (Welcome cocktail & Registration)


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