TY JOUR TI Mathematical apparatus for assessing possible damage during the seizure of radiation monitoring measuring instruments KW verification of measuring instruments; emergency situations; radiation monitoring; metrological readiness; potential damage from the removal of instruments; total losses; risk-based approach; optimization of the number of batches JO Siberian Fire and Rescue Bulletin AU Garelina, S.A. AU Lyubkin, R.N. AU Latyshenko, K.P. PY 2026 IS 0 PB FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia