TY JOUR TI WAYS OF IMPROVING SECURITY IN THE TRANSPORT EMERGENCY CHEMICALLY HAZARDOUS SUBSTANCES RAIL AND ELIMINATION OF THE EFFECTS IN CASE OF ACCIDENTS KW chemically dangerous object KW abnormally chemically dangerous substance KW rescue and other urgent works KW decontamination JO Problems of risk management in the technosphere AU Savchuk, O.N. AU Kopkin, E.V. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia