Analysis of Environmental Impacts

Office of NEPA Policy and Compliance

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Selected documents on the Analysis of Environmental Impacts under NEPA.

  • March 12, 2012

    The Council on Environmental Quality is issuing its final guidance on Improving the Process for Preparing Efficient and Timely Environmental Reviews under the National Environmental Policy Act. The National Environmental Policy Act (NEPA) and CEQ Regulations implementing NEPA provide numerous techniques for preparing efficient and timely environmental reviews. CEQ is issuing this guidance for Federal departments and agencies to emphasize and clarify that these techniques are available for all NEPA Environmental Assessments and Environmental Impact Statements.

  • January 14, 2011

    The Council on Environmental Quality is issuing this guidance for Federal departments and agencies on establishing, implementing, and monitoring mitigation commitments identified and analyzed in Environmental Assessments, Environmental Impact Statements, and adopted in the final decision documents. This guidance also clarifies the appropriate use of mitigated "Findings of No Significant Impact" under the National Environmental Policy Act (NEPA). The guidance explains the requirements of NEPA and the CEQ Regulations, describes CEQ policies, and recommends procedures for agencies to use to help them comply with the requirements of NEPA and the CEQ Regulations when they establish mitigation planning and implementation procedures

  • October 1, 2007

    Collaboration in NEPA - a Handbook for NEPA Practitioners is a collaboration of research and consultations by CEQ concerning analyses prepared under NEPA. Updated in the Fall of 2007, this 100-page guide introduces interested parties to collaborative principles, and includes suggestions for successful collaborative efforts.

  • June 25, 2007

    This letter, from the Director of the Environmental Protection Agency's Office of Federal Activities, outlines EPA's position as to how the revised National Air Quality Standard should be reflected in NEPA evaluations of proposed actions.

  • December 1, 2006

    DOE National Environmental Policy Act (NEPA) documents, including environmental impact statements (EISs) and environmental assessments (EAs), should explicitly address potential environmental consequences of intentional destructive acts (i.e., acts of sabotage or terrorism).

  • October 1, 2005

    The articles in this collection, organized by topic, contain procedural interpretations and recommendations developed by the DOE Office of NEPA Policy and Compliance in consultation with the Office of General Counsel, the DOE NEPA Community, and others. The mini-guidance articles were developed to address problems identified in the course of preparing, reviewing, and issuing NEPA documents.

  • July 1, 2005

    DOE has prepared this guidance regarding Supplement Analyses.The guidance discusses decisions regarding whether to prepare a Supplement Analysis (SA), the substantive content of the analysis, procedural aspects of preparing an SA, and the outcomes that can result.

  • December 23, 2004

    This second edition of the "Green Book" was issued by DOE to assist preparers and reviewers of NEPA documents, with the goal of promoting clarity, accuracy, and consistency in preparing EAs and EISs to better support decisionmaking.

  • July 17, 2003

    DOE guidance to provide assistance in determining whether an action within the scope of an EIS may be taken before a record of decision is issued. The guidance reviews applicable requirements, gives examples of the types of actions that may proceed as interim actions, describes case studies, and outlines the steps in the EIS process for interim actions.

  • October 7, 2002

    This DOE guidelines sets forth policy and procedures to ensure and maximize the quality, utility, objectivity, and integrity of the information that DOE disseminates to members of the public. DOE has prepared this final report pursuant to OMB government-wide guidelines under section 515 of the Treasury and General Government Appropriations Act for Fiscal Year 2001.

  • July 11, 2002

    The document clarifies DOE policies to streamline the environmental review of actions to be taken under CERCLA and RCRA.

  • July 10, 2002

    This DOE guidance clarifies and supplements "Recommendations for the Preparation of Environmental Assessments and Environmental Impact Statements." It focuses on principles of accident analyses under NEPA.

  • July 1, 2002

    This resource handbook was compiled for the DOE's Transportation Risk Assessment Working Group. This document includes the first of a planned series of discussion papers on topical aspects of transportation risk problems. These discussion papers are intended to provide practical advice to program managers and technical personnel responsible for preparing NEPA documents and other transportation risk assessments.

  • April 21, 2000

    This DOE guidance has three parts. The first part discusses how to coordinate the conformity and NEPA processes. The second part provides greater detail on the Clean Air Act conformity requirements, the conformity review process, and the conformity determination process. The third part provides related references.

  • July 1, 1999

    This document discusses Section 309 of the Clean Air Act, which authorizes the Environmental Protection Agency to review certain proposed actions of other federal agencies in accordance with NEPA and make those reviews public.

  • May 1, 1999

    The purpose of this guidance is to assist EPA reviewers of NEPA documents in providing accurate, realistic, and consistent comments on the assessment of cumulative impacts. The guidance focuses on specific issues that are critical in EPA's review of NEPA documents under Section 309 of the Clean Air Act. The guidance offers information on what issues to look for in the analysis, what practical considerations should be kept in mind when reviewing the analysis, and what should be said in EPA comments concerning the adequacy of the analysis.

  • December 23, 1997

    This guidance results from the work of a Task Team formed by DOE's Environmental Management's NEPA Compliance Officer to study streamlining the NEPA process for RCRA corrective actions, in response to a recommendation in the National Academy of Sciences Report on "Improving the Environment: An Evaluation of DOE'S Environmental Management Program."

  • May 8, 1995

    DOE guidance for Site-wide Environmental Impact Statements

  • January 23, 1995

    On March 31, 1994, officials from the Departrnent of Energy (DOE), the Environmental Protection Agency (EPA), and the Council on Environmental Quality (CEQ) met with then Acting Assistant Attorney General Lois Schiffer and other representatives of the Department of Justice (DOJ) to discuss the issue of the relationship of the National Environmental Policy Act (NEPA) to the cleanup of federal facilities under the CERCLA Superfund program. The meeting focused on proposals for addressing problems that have arisen from DOE's attempts to integrate the procedural and analytical approaches of NEPA into the CERCLA cleanup process. This document describes what was discussed at the meeting and the consensus reached there.

  • January 1, 1995

    The environmental review process under the National Environmental Policy Act (NEPA) provides a valuable opportunity for Federal agency NEPA/309 reviewers to incorporate pollution prevention and environmental impact reduction into actions (or projects). This Environmental Protection Agency guidance was prepared to assist NEPA/309 reviewers in incorporating pollution prevention into each step of the environmental review process, including scoping, mitigation, monitoring, and enforcement.

  • December 21, 1994

    It is Department of Energy policy to manage all of its land and facilities as valuable national resources. Our stewardship will be based on the principles of ecosystem management and sustainable development. We will integrate mission, economic. ecologic, social and cultural factors in a comprehensive plan for each site that will guide land and facility use decisions. Each comprehensive plan will consider the site's larger regional context and be developed with stakeholder participation. This policy will result in land and facility uses which support the Department's critical missions. stimulate the economy, and protect the environment.
    This Policy was cancelled by DOE N 251.102, Cancellation of Directives (2011).

  • April 26, 1994

    This Memorandum and EPA guidance contains recommendations for a series of environmental actions, including those to increase environmental and economically beneficial landscaping practices at Federal facilities and federally funded projects.
    This Memorandum was revoked by Executive Order 13148: Greening the Government Through Leadership in Environmental Management (2000).

  • February 24, 1993

    The guidance discusses the Environmental Protection Agency's definition of pollution prevention; how to incorporate pollution prevention into the EPA environmental review process and interagency liaison function; and federal pollution prevention awards programs.

  • January 1, 1993

    This Environmental Protection Agency document is designed to assist NEPA reviewers in evaluation the ecological risks associated with the impacts of federal activities.

  • December 31, 1992

    This Council on Environmental Quality (CEQ) report is intended to provide background on the emerging, complex subject of biodiversity, outline some general concepts that underlie biological diversity analysis and management, describe how the issue is currently addressed in NEPA analyses, and provide options for agencies undertaking NEPA analyses that consider biodiversity.