Sections 30-50-40 through 30-50-65 describe the environmental documents that may be required during the process of considering the environmental aspects of an action.

These sections describe the various types of NEPA documents including their purposes and contents. OPDIVs/STAFFDIVs may publish in the Federal Register additional requirements for the preparation of environmental documents under their responsibility.

Data and information that are protected from disclosure by 18 U.S.C. ' 1905 or 21 U.S.C. '' 331(j) or 360j(c) or other applicable laws shall not be included in environmental documents prepared under this chapter. When such data and information are pertinent to the environmental review of a proposed action, an applicant or petitioner shall submit such data and information separately as a confidential section of the application or petition, but shall summarize the confidential data and information in the environmental document to the extent possible.