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Laboratory of standard sources

Who we are ? 

France’s largest manufacturer of radioactive sources based at Tricastin, LEA (the Radioactivity Standards Laboratory - Laboratoire d’Etalons d’Activité in French), subsidiary of the Orano Group, provides a wide range of standard and tailored-made sources for various application (medical, industrial, environment, radiation protection, research …).


LEA also offers turnkey project management solutions, including high activity sources’ supply, installation and used sources recovery.

Laboratoire, fabrication des sources radioactives


Questions on our products and services? A specific need? Do not hesitate to write us.
Laboratoire d'Etalons d'Activité
+ 33 (0)4 75 96 56 00
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