1. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 1 Introduction: Status of the activity, tasks and deliverables JRA1 3rd General Meeting Low background techniques for deep underground sciences

2. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 2 JRA1 WPs WP1 – Measurement of backgrounds in the EU underground labs WP2 – Development of a library of background simulation codes WP3 – R&D for UL background techniques and facilities in the labs WP4 – R&D on radio-purity of materials and purification techniques JRA1 participants Contractors: UNIZAR, CEA/CNRS, INFN, USFD, MPIK, TUM Non-contractors: RAL, FZK, Dortmund, Silesia, Henryk Niewodniczanski, Pol. Milano

3. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 3 Management structure of JRA1 Activity coordinatorsJulio Morales/José M. Carmona (LSC) Deputy coordinatorNicola Ferrari (LNGS) WP1. Background measurements in the deep underground sites: CoordinatorNicola Ferrari (LNGS) Deputy coordinatorsMarisa Sarsa/Gloria Luzón (LSC) WP2. Background simulations: CoordinatorGloria Luzón/Susana Cebrián (LSC) Deputy coordinatorVitaly Kudriavtsev (IUS) WP3. Low background facilities: CoordinatorMatthias Laubenstein (LNGS) Deputy coordinatorJean Louis Reyss (LSM) WP4. Radiopurity of the materials: CoordinatorPia Loaiza (LSM) Deputy coordinatorLino Miramonti (LNGS)

4. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 4 Meetings Working group meetings: - April 2005 (Valencia, N3&N6 meeting): WP2 - May 2005 (Gran Sasso Open Day): WP1, WP4 - September 2005 (Zaragoza, IDEA meeting): WP2 - September 2005 (Zaragoza, TAUP conference): WP2, WP4 - March 2006 (Gran Sasso, ILIAS General Meeting): WP3, WP4 3rd JRA1 General Meeting: 14th February 2006, Paris

5. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 5 WP1 activities: (coordinated by INFN) Participants: INFN, CEA/CNRS, UNIZAR, USFD, RAL, Milano, Silesia, Henryk N. Tasks and deliverables:

6. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 6 WP2 activities: (coordinated by UNIZAR and USFD) Participants: INFN, CEA/CNRS, UNIZAR, USFD, TUM, RAL, Dortmund, FZK Tasks and deliverables:

7. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 7 WP3 activities: (coordinated by INFN and MPIK) Participants: INFN, CEA/CNRS, UNIZAR, USFD Tasks and deliverables:

8. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 8 WP3 activities: (coordinated by INFN and MPIK) Participants: INFN, CEA/CNRS, UNIZAR, USFD Tasks and deliverables:

9. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 9 WP4 activities: (coordinated by LSM) Participants: INFN, CEA/CNRS, UNIZAR, USFD Tasks and deliverables:

10. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 10 Annual Report: Coordinators of the different WP’s are responsible for collecting info and write the corresponding report Deadline: 7th March

11. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 11

12. JRA1 3rd General Meeting. Paris, February 2006 JRA1 web page http://www.unizar.es/ilias 12 WIFI access code: 556 A0 DA DA 1