TY JOUR TI IMPROVEMENT OF THE METHOD OF ASSESSING THE RISK OF ENVIRONMENTAL AND CHEMICAL DANGER IN THE TRANSPORTATION OF CHEMICAL HAZARDS BY ROAD TRANSPORT KW hazardous chemicals KW chemical safety KW contamination risk KW spill area KW terrain slope KW accident modeling KW chemical contamination depth JO Problems of risk management in the technosphere AU Aksenov Alexander A., A.A. AU Savchuk, O.N. AU P'yanusov, A.V. PY 2026 IS 2026 PB Saint-Petersburg University of State Fire Service of Emercom of Russia