The application presents rescue procedures in the event of a dangerous situation related to hazardous substances. It also allows a substance to be identified by its UN number or name. The procedures for chemical and ecological rescue presented in this application are used for actions by KSRG rescuers in the first 30 minutes from the failure. The main document on the basis of which the procedures were developed is the "Principles of rescue procedure 2016" issued by the Chief Inspectorate of Environmental Protection. In addition, the application contains a list of current Qualified First Aid procedures in the form of diagrams.