TY JOUR TI CLARIFICATION OF THE GEOMETRIC PARAMETERS OF THE AREA OF THE STRAIT OF EMERGENCY CHEMICALLY HAZARDOUS SUBSTANCES TRANSPORTED BY ROAD KW accidentally chemically hazardous substance KW area of chemically hazardous substance spillage KW height of chemically hazardous substance spillage KW time of striking effect (vaporization) KW slope of terrain JO Problems of risk management in the technosphere AU Savchuk, O.N. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia