internal exposure facility All kinds of radiation multipurpose irradiation facility http://www.radiometria.gig.eu This multipurpose irradiation facility at the Central Mining Institute in Katowice can deliver various types of ionizing radiation including radon and radon progeny, X-rays, alpha, beta and gamma radiation for both external and internal exposure studies. It supports research into environmental radioactivity, radiation protection and biological effects, and is particularly relevant to NORM studies related to the Upper Silesian coal basin. Access requires authorisation from the laboratory head and scientific council approval. Located at Silesian Centre for Environmental Radioactivity, Central Mining Institute (SCRS-GIG). Paul Schofield