T. A. Kormanovskaya
Saint-Petersburg  Research   Institute   of   Radiation  Hygiene  after   Professor   P.V.   Ramzaev, Federal  Service for Surveillance on Consumer Rights Protection and  Human Wellbeing
Russian Federation

Tatyana  A.  Kormanovskaya   –  PhD,  Leading  researcher, Laboratory  for  dosimetry  of natural sources of radiation

Mira  Str.,  8,  Saint-Petersburg,  197101

O. A. Daricheva
Center of Hygiene  and   Epidemiology   in   the   Ivanovo  region,  Federal  Service  for  Surveillance  on  Consumer  Rights Protection and  Human Wellbeing
Russian Federation

Olga A. Daricheva  – PhD, Head of Radiological Laboratory

Ivanovo

P. A. Kolesnik
Directorate of the Federal Service for Surveillance on Consumer Rights Protection and  Human Wellbeing in  the  Ivanovo region
Russian Federation

Pavel  A.  Kolesnik  –  Head  of  the  Directorate

Ivanovo

D. V. Kononenko
Saint-Petersburg  Research   Institute   of  Radiation  Hygiene  after   Professor   P.V. Ramzaev, Federal  Service  for  Surveillance on Consumer Rights Protection and  Human Wellbeing
Russian Federation

Dmitry V. Kononenko – Researcher, Laboratory for dosimetry of natural sources of radiation

Saint-Petersburg