The paper presents an analysis and evaluation of the procedure of issuing decisions about the environmental conditionings with an assessment of their environmental impact. The estimation of environmental impact is meant as an administrative procedure concerning a planned project, in the framework of which and administrative body ensures a possibility of public participation in the conducted proceedings. An assessment of the environmental impact is conducted for planned projects which may considerably affect the environment, i.e. planned enterprises which may always considerably impact the environment or planned projects which may potentially influence the environment, if the appropriate body states the necessity of conducting such assessment. The same principles concerning the share of the parties apply to all proceedings, which require an estimation of the environmental impact. Also ecological organizations, if they express their willingness to enter for the proceedings of issuing decisions about the environmental conditionings ensuring public participation and cite their statutory objectives, are party to the proceedings. The key element of the assessment of the environmental impact is the report on the project effect on the environment, which constitutes the basic source of information for the body which conducts the assessment of the environmental impact, about its effect on the environment at the stage of its realization, exploitation (use) and liquidation. The final decision and the kind of environmental conditionings imposed on the investor, depend on the quality and precision of the data the report contains. It makes possible initiating the public consultations. Comments and reservations expressed during public consultations should be examined prior to issuing the decision about the environmental conditionings. An element of the environmental impact assessment is coordination of the conditions of the project realization by the regional director of the environmental protection, who takes a position in the decision and the sanitary inspection body which given an opinion about the environmental conditionings of the project. The decision is announced to the public opinion and all interested parties have the right to learn its content, including the decision of the regional director of the environment protection and opinion of the sanitary inspection body. In conclusion it may be stated that the procedure with the evaluation of the environmental impact undoubtedly lengthens the investment process but is a significant instrument of the protection of natural resources.

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