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Enhancing Nuclear Safety


Research

Research units

Environmental Radioactivity Measurements Laboratory (LMRE)

The Environmental Radioactivity Measurements Laboratory (LMRE) is located at Orsay, in the Paris region. Directed by Rodolfo Gurriaran, the laboratory employs a team of 17 members, including 4 researchers (3 with doctorates, and 9 technicians. Two students preparing a post-graduate thesis is also currently at the laboratory.

 


Summary

 

 

 

Context and research themes

 

The LMRE's main research theme is "Radionuclides transfers in the environnement".

 

 

Research axes

 

LMRE's activities include:

 

  • Studying how the physical and chemical characteristics of the matrixes of various types of environmental samples analyzed affect measurement quality.

 

  • Developing new measurement techniques for quantifying very low concentrations of radionuclides in environmental matrixes.

 

  • Measuring the radioactivity of aerosols and precipitation in metropolitan France and the French overseas departments and territories, using large-volume samples.

 

  • Performing all measurement operations governed by a quality assurance plan, within the COFRAC accreditation context for Environment and Food programs.

 

  • Helping to write the reference standards of the French standards association (AFNOR) and the International Organization for Standardization (ISO) applying to environmental radioactivity measurement, by participating in the working groups of the French nuclear equipment standardization agency (BNEN).

 

 

Specialties and researchers

 

Rodolfo Gurriaran, head of laboratory

Sébastien Aubry, technician
Béatrice Boulet, engineer
Xavier Cagnat, technician
Nicolas Cariou, technician
Catherine Cossonnet, engineer
Anne De Vismes, engineer
Marjorie Galliot, technician
Blaise Kvizic, technician
Cédric Le Corre, techician
Aline Maigret, technician
Djamel Mekhlouche, technician

Julien Mohr, engineer
Sandrine Thomas, technician
Carole Vivien, technician
Charlène Roux, technician

 

 

Facilities and techniques

 

  • High efficiency germanium spectrometers includinq cosmic and Compton suppression equipments. Two very low backgound detectors, including a 800 cc well-type germanium detector, installed in the Modane underground laboratory (LSM).
  • Alpha spectrometers using PIPS detectors, proportional counters and liquid scintillation detectors.
  • ICP Mass Spectrometer

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Des techniciens du LMRE au laboratoire de mesure du carbone 14 du CEA  Crédits : Thomas Gogny/IRSN

Publications

Contact

Rodolfo Gurriaran, head of laboratory

 

IRSN/PRP-ENV/STEME

Environmental Radioactivity Measurements Laboratory

Bois des Rames (bât. 501)
91400 Orsay
France

 

By phone: +33 (0)1 69 85 58 40

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