Section 799.50 - Purpose of an Environmental Impact Statement (EIS)(a) FSA will prepare an EIS for proposed actions that are expected to have a significant effect on the human environment. The purpose of the EIS is to ensure that all significant environmental impacts and reasonable alternatives are fully considered in connection with the proposed action.(b) FSA will prepare a PEIS for proposed actions that are broad in scope or similar in nature and may cumulatively have significant environmental impacts, although the impact of the individual proposed actions may be insignificant.