The scoping process includes: (1) Inviting the participation by federal, state, and local agencies, Indian tribes, the proponent of the action, and other interested persons including those “who might not be in accord with the action”; (2) Determining the significant issues for analysis; (3) Identifying other EIS, environmental reviews, or other analysis already done or under way which may be related to the impact assessment; (4) Indicating the relationship between timing of the EIA and the agency’s planning and decision making.