(a) TVA will prepare an EIS for major Federal actions significantly affecting the quality of the human environment. The EIS will address each of the elements identified in section 102(2)(C) of NEPA.

(b) TVA will focus its analysis on whether the environmental effects of the proposed action are significant.

(c) Similarly, TVA will document in the EIS where and how it drew a reasonable and manageable line relating to its consideration of any environmental effects from the action or project at hand that extend outside the geographical territory of the project or might materialize later in time.