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3/21/80 5050.4 other impact categories. To the extent not discussed elsewhere, this item shall include a general description of the type and nature of the construction and measures to be taken to minimize potential adverse effects. As a minimum, reference shall be made to the incorporation in project specifications of the provisions of Advisory Circular 150/5370-7, Airport Construction Controls to Prevent Air and Water Pollution. (c) Only in unusual circumstances, as for example construction in an ecologically sensitive area or construction involving substantial urban effects, would this impact category be considered to create significant conse- quences which may not be adequately mitigated. It is a matter of FAA judgment to determine if such circumstanees exist and require the preparation of an environmental impact statement. f. Environmental Consequences - Other Considerations. To the extent not covered in the Specific Impact Categories under paragraph 47e, the Environmental Consequences section of the environmental assessment shall include discussion of the following: (1) "Possible conflicts between the proposed action and the objectives of Federal, regional, State, and local (and in the case of a reservation, Indian tribe) land use plans, policies and controls for the area concerned" (CEQ 1502.16(c)). If the proposal is not reasonably consistent with plans, goals, policies, or controls that have been adopted for the area in which the airport is located, an environmental impact statement is required. (2) "...[A]ny inconsistency of a proposed action with any approved State or local plan and laws (whether or not federally sanctioned)" (CEQ 1506.2(d)). If the proposal is inconsistent with a Federal, state, or local law or administrative determination relating to the environment, an environ- mental impact statement is required. (3) "Means to mitigate adverse environmental impacts..." (CEQ 1502.16(h)) which were not included in the Alternatives section and are important in judging the significance of an impact or in supporting a section 16(c)(4) finding that "the proposed action includes all possible steps to minimize any adverse effects." (4) Degree of controversy on environmental grounds. If the proposal is highly controversial with regard to an impact that is determined to be significant according to the thresholds in paragraphs 47e and 85, an environ- mental impact statement is required. Otherwise, no further analysis is needed and a finding of no significant impact may be prepared. g. Preparers. The preparers of an environmental assessment shall be identified, and other information on the preparers per paragraph 87 shall subsequently be made available to the FAA if an environmental impact statement is prepared. Chap 5 Par 47 Page 57