Proficiency Tests

New Matrix Reference Materials 

Interlaboratory Studies

  • IAEA-CU-2006-09 CCRI (II) Supplementary Comparison on gamma-emitting radionuclides in water, soil and grass in cooperation with the Consultative Committee for Ionizing Radiation (CCRI) of the BIPM(Status: The comparison is concluded, the final report under revision)
  • IAEA-CU-2007-06 - CCRI(II) Supplementary comparison for the determination of technically enhanced naturally occurring radionuclides (TENORM) in phosphogypsum IAEA-434 (Status: on-going study)

For more information contact Mr. Sandor Tarjan at:

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