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BLM>Div. of Decision Support, Planning, and NEPA>NEPA>NEPA Web Guide>516 DM 1.14(B)
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Disclaimer: You have been directed to the updated reference for this information. 516 DM 4.5(B) has been replaced by 516 DM 1.14(B)

The Department finalized and published its NEPA procedures in the Code of Federal Regulations (43 CFR Part 46) on October 15, 2008. Previously, the Department’s NEPA procedures were included in Part 516, Chapters 1 – 6 of the DM. Portions of Chapters 1 - 6 that were not converted into the regulations are revised and updated in Chapters 1 – 3 of Part 516 as information and explanatory guidance. Chapter 7 was not included in the final rule because it provides internal administrative guidance specific to Departmental review of environmental documents prepared by other Federal agencies. Chapter 7 is revised and renumbered as Chapter 4.

Click here for full text - 516 DM Chapters 1-15


516 DM 1.14: Supplemental Statements

A.      Supplements are required if an agency makes substantial changes in the proposed action relevant to environmental concerns or there are significant new circumstances or information relevant to environmental concerns and bearing on the proposed action or its impacts.

B.      A bureau and/or the appropriate program Assistant Secretary will consult with the OEPC and the Office of the Solicitor prior to proposing to CEQ to prepare a supplemental statement using alternative arrangements such as issuing a final supplement without pre­paring an intervening draft.

C.      If, after a decision has been made based on a final EIS, a described proposal is further defined or modified and if its changed effects are not significant and still within the scope of the earlier EIS, an EA, and a FONSI may be prepared for subsequent decisions rather than a supplement.