Improving the security of the gas station is associated with recognizing potential hazards of flammable liquids and other hazardous substances, good legislation and implementing the necessary preventive measures, applying the proper actions in the transport and proper fuel loading and unloading. Most of the measures are prescribed by the various national and international standards and conventions, and generally it is necessary to implement them with consistency, or adapt to the conditions at the gas station. Elimination of potential hazards and risk management when handling flammable liquids enables greater security and fire protection and work safety at gas stations but also the protection of environment. Work organization from a security standpoint during loading and unloading of hazardous substances at gas stations is based on laws and subordinate regulations, with the goal of continuous improvement of working procedures, and it will greatly affect the reduction of the number and the level of work-related injuries and various accidents.