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Colloid and Radionuclide Retardation (CRR) - Experimental Concept

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The experimental concept is based on the scenario shown below where the EBS-released radionuclides and the bentonite-derived colloids enter the host rock groundwater and migrate along a water-conducting fracture.

 CRR Experimental Concept

 

Colloid and Radionuclide Retardation Experiment

 

RMP Video

GTS Radionuclide Migration Programme VideoRMP Video
The experience and know-how needed to carry out radiotracer experiments at the Grimsel Test Site (GTS) was initially gained in the Radionuclide Migration Programme (RMP). This video summarises the activities of the RMP.

25 years of Experience

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25 Years experience
2009 marked a significant milestone in the history of the Grismel Test Site with the running of experiments which have spanned more than 25 years. Read more about the 25 years of scientific exploration in the 25 Years of History at the Gimsel Test Site section. Full details of our 25 year celebration events will be posted shortly


The GTS underground facilities are also available to interested 3rd parties for underground testing and research. The GTS offers cost-effective access to a fully developed, well characterised underground research facility with round the year logistical support - please contact Dr. Ingo Blechschmidt, Head of the Grimsel Test Site, for further details.