INCOMPLETE OR UNAVAILABLE INFORMATION

If information about potentially significant environmental effects is essential to a reasoned choice among alternatives and is not known and the cost of obtaining it is excessive, the information cannot be obtained within the time periods specified in part 4410.2800 , subpart 3, or the means to obtain the information are beyond the state of the art, the RGU shall include the following information in the EIS: A. a statement that the information is incomplete or unavailable and a brief explanation of why it is lacking; B. an explanation of the relevance of the lacking information to evaluation of potentially significant environmental impacts and their mitigation and to a reasoned choice among alternatives; C. a brief summary of existing credible scientific evidence that is relevant to evaluating the potential significant environmental impacts; and D. the RGU's evaluation of such impacts from the project and its alternatives based upon theoretical approaches or research methods generally accepted in the scientific community.