TY JOUR TI COMPREHENSIVE RISK-BASED METHODOLOGY JUSTIFICATIONS OF RATIONAL PARAMETERS SYSTEMS FOR THE ORGANIZATION OF VERIFICATION OF MEASURING INSTRUMENTS IN EMERCOM OF RUSSIA KW metrological support KW risk-based approach KW verification KW optimization KW radiation monitoring KW mobile metrological laboratory KW budgetary efficiency JO Problems of risk management in the technosphere AU Garelina, S.A. AU Lyubkin, R.N. AU Sysoev, D.O. PY 2026 IS 2026 PB Saint-Petersburg University of State Fire Service of Emercom of Russia