Notes: Appendix I of Rulebook on Limits of Radionuclide Content in Drinking Water, Foodstuff, feeding stuff, medicines, general use objects, construction material and trade goods prescribes in Table 1 parametric value for radon in drinking water to be 100 Bq/l . Lead Agency: Serbian Radiation and Nuclear Safety and Security Directorate-SRBATOM is regulatory authority responsible for drafting regulations. Website: <<http://www.srbatom.gov.rs/srbatomm/wp-content/uploads/2019/11/Pravilnik-o-granicama-sadrzaja-r.pdf>>