Radioactivity in building materials önorm s 5200: a standard in Austria to limit natural radioactivity in building materials (revised and definite version)

The Austrian Standard ÖNORM S 5200, prepared in the early nineties after a prestandard phase (Steger F.) and in use in Austria since 1996, provides the criteria to assess the radiation dose of building materials. Gamma radiation of the radionuclides 40K,