California Code of Regulations
Title 14 - Natural Resources
Division 5 - San Francisco Bay Conservation and Development Commission
Chapter 15 - Implementation of the California Environmental Quality Act
Subchapter 1 - When the Commission is the Lead Agency
Article 2 - Initial Environmental Information and Determination if Environmental Assessment Required
Section 11511 - Determination of Significant Adverse Environmental Impacts and Preparation of an Environmental Assessment

(a) When the Commission is lead agency and the Executive Director has determined that a proposed activity is not statutorily exempt and is not categorically exempt, he or she shall next determine if the proposed activity may have any individually or cumulatively substantial adverse impact on the physical environment.

(b) If the Commission is the lead agency and the Executive Director determines that a proposed activity is not statutorily or categorically exempt but will not have any significant adverse impact on the physical environment either individually or cumulatively, he or she shall place a written statement of that determination and the basis for it in the appropriate file and shall include the fact of that determination and the basis for it in the application summary, in the staff planning report, or in the notice of hearing for the planning study, if one has been scheduled.

(c) If the Commission is the lead agency and the Executive Director determines that the proposed activity is not statutorily exempt, is not categorically exempt, and may have a significant adverse impact on the physical environment either individually or cumulatively, the Commission shall prepare an environmental assessment that complies with Section 11521 and shall include the assessment in the application summary, the staff planning report, or combined staff planning report and recommendation.