The IAEA has chosen the Technical Manager Tony Löfqvist at MMK as an expert in the drafting of the TECDOC drafting for the UN member states. This work will provide a basis for managing the ionizing radiation problem regarding testing, measurement, investigation and measures against radon and gamma radiation. This work includes both existing and new buildings including how to test rock-based building material. The work began on the 18th-22nd of June 2018 and continues at the IAEA in Vienna on the 13th-16th of November 2018.