TITLE 40--PROTECTION OF ENVIRONMENT
CHAPTER V--COUNCIL ON ENVIRONMENTAL QUALITY
COUNCIL ON ENVIRONMENTAL QUALITY NEPA REGULATIONS
PART 1508 - TERMINOLOGY AND INDEX
1508.1 Terminology.
The terminology of this part shall be uniform throughout the Federal Government.
1508.2 Act.
"Act" means the National Environmental Policy Act, as amended (42 USC 4321,
et seq.) which is also referred to as "NEPA."
1508.3 Affecting.
"Affecting" means will or may have an effect on.
1508.4 Categorical exclusion.
"Categorical exclusion" means a category of actions which do not individually
or cumulatively have a significant effect on the human environment and which
have been found to have no such effect in procedures adopted by a Federal agency
in implementation of these regulations (§1507.3) and for which, therefore,
neither an environmental assessment nor an environmental impact statement is
required. An agency may decide in its procedures or otherwise, to prepare environmental
assessments for the reasons stated in §1508.9 even though it is not required
to do so. Any procedures under this section shall provide for extraordinary
circumstances in which a normally excluded action may have a significant environmental
effect.
1508.5 Cooperating agency.
"Cooperating agency" means any Federal agency other than a lead agency which
has jurisdiction by law or special expertise with respect to any environmental
impact involved in a proposal (or a reasonable alternative) for legislation
or other major Federal action significantly affecting the quality of the human
environment. The selection and responsibilities of a cooperating agency are
described in §1501.6. A State or local agency of similar qualifications
or, when the effects are on a reservation, an Indian Tribe, may by agreement
with the lead agency become a cooperating agency.
1508.6 Council.
"Council" means the Council on Environmental Quality established by title
II of the Act.
1508.7 Cumulative impact.
"Cumulative impact" is the impact on the environment which results from the
incremental impact of the action when added to other past, present, and reasonably
foreseeable future actions regardless of what agency (Federal or non-Federal)
or person undertakes such other actions. Cumulative impacts can result from
individually minor but collectively significant actions taking place over a period of time.
1508.8 Effects.
"Effects" include:
(a) Direct effects, which are caused by the action and occur at the same
time and place.
(b) Indirect effects, which are caused by the action and are later in time
or farther removed in distance, but are still reasonably foreseeable. Indirect
effects may include growth inducing effects and other effects related to
induced changes in the pattern of land use, population density or growth
rate, and related effects on air and water and other natural systems, including
ecosystems.
Effects and impacts as used in these regulations are synonymous. Effects includes
ecological (such as the effects on natural resources and on the components,
structures, and functioning of affected ecosystems), aesthetic, historic, cultural,
economic, social, or health, whether direct, indirect, or cumulative. Effects
may also include those resulting from actions which may
have both beneficial and detrimental effects, even if on balance the agency
believes that the effect will be beneficial.
1508.9 Environmental assessment.
"Environmental assessment":
(a) Means a concise public document for which a Federal agency is responsible
that serves to:
(1) Briefly provide sufficient evidence and analysis for determining whether
to prepare an environmental impact statement or a finding of no significant
impact.
(2) Aid an agency's compliance with the Act when no environmental impact
statement is necessary.
(3) Facilitate preparation of a statement when one is necessary.
(b) Shall include brief discussions of the need for the proposal, of alternatives
as required by section 102(2)(E), of the environmental impacts of the proposed
action and alternatives, and a listing of agencies and persons consulted.
1508.10 Environmental document.
"Environmental document" includes the documents specified in §1508.9
(environmental assessment), §1508.11 (environmental impact statement), §1508.13
(finding of no significant impact), and §1508.22 (notice of intent).
1508.11 Environmental impact statement.
"Environmental impact statement" means a detailed written statement as required
by section 102(2)(C) of the Act.
1508.12 Federal agency.
"Federal agency" means all agencies of the Federal Government. It does not
mean the Congress, the Judiciary, or the President, including the performance
of staff functions for the President in his Executive Office. It also includes
for purposes of these regulations States and units of general local government
and Indian tribes assuming NEPA responsibilities under section 104(h) of the
Housing and Community Development Act of 1974.
1508.13 Finding of no significant impact.
"Finding of no significant impact" means a document by a Federal agency briefly
presenting the reasons why an action, not otherwise excluded (§1508.4),
will not have a significant effect on the human environment and for which an
environmental impact statement therefore will not be prepared. It shall include
the environmental assessment or a summary of it and shall note any other environmental
documents related to it (§1501.7(a)(5)). If the assessment is included, the
finding need not repeat any of the discussion in the assessment but may incorporate
it by reference.
1508.14 Human environment.
"Human environment" shall be interpreted comprehensively to include the natural
and physical environment and the relationship of people with that environment.
(See the definition of "effects" (§1508.8).) This means that economic
or social effects are not intended by themselves to require preparation of
an environmental impact statement. When an environmental impact statement is
prepared and economic or social and natural or physical environmental effects
are interrelated, then the environmental impact statement will discuss all
of these effects on the human environment.
1508.15 Jurisdiction by law.
"Jurisdiction by law" means agency authority to approve, veto, or finance
all or part of the proposal.
1508.16 Lead agency.
"Lead agency" means the agency or agencies preparing or having taken primary
responsibility for preparing the environmental impact statement.
1508.17 Legislation.
"Legislation" includes a bill or legislative proposal to Congress developed
by or with the significant cooperation and support of a Federal agency, but
does not include requests for appropriations. The test for significant cooperation
is whether the proposal is in fact predominantly that of the agency rather
than another source. Drafting does not by itself constitute
significant cooperation. Proposals for legislation include requests for ratification
of treaties. Only the agency which has primary responsibility for the subject
matter involved will prepare a legislative environmental impact statement.
1508.18 Major Federal action.
"Major Federal action" includes actions with effects that may be major and
which are potentially subject to Federal control and responsibility. Major
reinforces but does not have a meaning independent of significantly (§1508.27).
Actions include the circumstance where the responsible officials fail to act
and that failure to act is reviewable by courts or administrative
tribunals under the Administrative Procedure Act or other applicable law as
agency action.
(a) Actions include new and continuing activities, including projects and
programs entirely or partly financed, assisted, conducted, regulated, or
approved by federal agencies; new or revised agency rules, regulations, plans,
policies, or procedures; and legislative proposals (§1506.8, 1508.17).
Actions do not include funding assistance solely in the form of general revenue
sharing funds, distributed under the State and Local Fiscal Assistance Act
of 1972, 31 U.S.C. 1221 et seq., with no Federal agency control over the
subsequent use of such funds. Actions do not include bringing judicial or
administrative civil or criminal enforcement actions.
(b) Federal actions tend to fall within one of the following categories:
(1) Adoption of official policy, such as rules, regulations, and interpretations
adopted pursuant to the Administrative Procedure Act, 5 U.S.C. 551 et seq.;
treaties and international conventions or agreements; formal documents
establishing an agency's policies which will result in or substantially
alter agency programs.
(2) Adoption of formal plans, such as official documents prepared or approved
by federal agencies which guide or prescribe alternative uses of Federal
resources, upon which future agency actions will be based.
(3) Adoption of programs, such as a group of concerted actions to implement
a specific policy or plan; systematic and connected agency decisions allocating
agency resources to implement a specific statutory program or executive
directive.
(4) Approval of specific projects, such as construction or management
activities located in a defined geographic area. Projects include actions
approved by permit or other regulatory decision as well as federal and
federally assisted activities.
1508.19 Matter.
"Matter" includes for purposes of part 1504:
(a) With respect to the Environmental Protection Agency, any proposed legislation,
project, action or regulation as those terms are used in section 309(a) of
the Clean Air Act (42 USC 7609).
(b) With respect to all other agencies, any proposed major federal action
to which section 102(2)(C) of NEPA applies.
1508.20 Mitigation.
"Mitigation" includes:
(a) Avoiding the impact altogether by not taking a certain action or parts
of an action.
(b) Minimizing impacts by limiting the degree or magnitude of the action
and its implementation.
(c) Rectifying the impact by repairing, rehabilitating, or restoring the
affected environment.
(d) Reducing or eliminating the impact over time by preservation and maintenance
operations during the life of the action.
(e) Compensating for the impact by replacing or providing substitute resources
or environments.
1508.21 NEPA process.
"NEPA process" means all measures necessary for compliance with the requirements
of section 2 and title I of NEPA.
- 1508.22 Notice of intent.
1508.22 Notice of intent.
"Notice of intent" means a notice that an environmental impact statement will
be prepared and considered. The notice shall briefly:
(a) Describe the proposed action and possible alternatives.
(b) Describe the agency's proposed scoping process including whether, when,
and where any scoping meeting will be held.
(c) State the name and address of a person within the agency who can answer
questions about the proposed action and the environmental impact statement.
1508.23 Proposal.
"Proposal" exists at that stage in the development of an action when an agency
subject to the Act has a goal and is actively preparing to make a decision
on one or more alternative means of accomplishing that goal and the effects
can be meaningfully evaluated. Preparation of an environmental impact statement
on a proposal should be timed (§1502.5) so that the final statement may
be completed in time for the statement to be included in any recommendation
or report on the proposal. A proposal may exist in fact as well as by agency
declaration that one exists.
1508.24 Referring agency.
"Referring agency" means the federal agency which has referred any matter
to the Council after a determination that the matter is unsatisfactory from
the standpoint of public health or welfare or environmental quality.
1508.25 Scope.
Scope consists of the range of actions, alternatives, and impacts to be considered
in an environmental impact statement. The scope of an individual statement
may depend on its relationships to other statements (§1502.20 and 1508.28).
To determine the scope of environmental impact statements, agencies shall consider
3 types of actions, 3 types of alternatives, and 3 types of impacts. They include:
(a) Actions (other than unconnected single actions) which may be:
(1) Connected actions, which means that they are closely related and therefore
should be discussed in the same impact statement. Actions are connected
if they:
(i) Automatically trigger other actions which may require environmental
impact statements.
(ii) Cannot or will not proceed unless other actions are taken previously
or simultaneously.
(iii) Are interdependent parts of a larger action and depend on the
larger action for their justification.
(2) Cumulative actions, which when viewed with other proposed actions
have cumulatively significant impacts and should therefore be discussed
in the same impact statement.
(3) Similar actions, which when viewed with other reasonably foreseeable
or proposed agency actions, have similarities that provide a basis for
evaluating their environmental consequences together, such as common timing
or geography. An agency may wish to analyze these actions in the same impact
statement. It should do so when the best way to assess adequately the combined
impacts of similar actions or reasonable alternatives to such actions is
to treat them in a single impact statement.
(b) Alternatives, which include: (1) No action alternative.
(2) Other reasonable courses of actions.
(3) Mitigation measures (not in the proposed action).
(c) Impacts, which may be: (1) Direct; (2) indirect; (3) cumulative.
1508.26 Special expertise.
"Special expertise" means statutory responsibility, agency mission, or related
program experience.
1508.27 Significantly.
"Significantly" as used in NEPA requires considerations of both context and
intensity:
(a) Context. This means that the significance of an action must be analyzed
in several contexts such as society as a whole (human, national), the affected
region, the affected interests, and the locality. Significance varies with
the setting of the proposed action. For instance, in the case of a site-specific
action, significance would usually depend upon the effects in the locale
rather than in the world as a whole. Both short- and long-term effects are
relevant.
(b) Intensity. This refers to the severity of impact. Responsible officials
must bear in mind that more than one agency may make decisions about partial
aspects of a major action. The following should be considered in evaluating
intensity:
(1) Impacts that may be both beneficial and adverse. A significant effect
may exist even if the Federal agency believes that on balance the effect
will be beneficial.
(2) The degree to which the proposed action affects public health or safety.
(3) Unique characteristics of the geographic area such as proximity to
historic or cultural resources, park lands, prime farmlands, wetlands,
wild and scenic rivers, or ecologically critical areas.
(4) The degree to which the effects on the quality of the human environment
are likely to be highly controversial.
(5) The degree to which the possible effects on the human environment
are highly uncertain or involve unique or unknown risks.
(6) The degree to which the action may establish a precedent for future
actions with significant effects or represents a decision in principle
about a future consideration.
(7) Whether the action is related to other actions with individually insignificant
but cumulatively significant impacts. Significance exists if it is reasonable
to anticipate a cumulatively significant impact on the environment. Significance
cannot be avoided by terming an action temporary or by breaking it down
into small component parts.
(8) The degree to which the action may adversely affect districts, sites,
highways, structures, or objects listed in or eligible for listing in the
National Register of Historic Places or may cause loss or destruction of
significant scientific, cultural, or historical resources.
(9) The degree to which the action may adversely affect an endangered
or threatened species or its habitat that has been determined to be critical
under the Endangered Species Act of 1973.
(10) Whether the action threatens a violation of Federal, State, or local
law or requirements imposed for the protection of the environment. [§1508.27
amended at 44 FR 873, Jan. 3, 1979]
1508.28 Tiering.
"Tiering" refers to the coverage of general matters in broader environmental
impact statements (such as national program or policy statements) with subsequent
narrower statements or environmental analyses (such as regional or basinwide
program statements or ultimately site-specific statements) incorporating by
reference the general discussions and concentrating solely on the issues specific
to the statement subsequently prepared. Tiering is appropriate when the sequence
of statements or analyses is:
(a) From a program, plan, or policy environmental impact statement to a
program, plan, or policy statement or analysis of lesser scope or to a site-specific
statement or analysis.
(b) From an environmental impact statement on a specific action at an early
stage (such as need and site selection) to a supplement (which is preferred)
or a subsequent statement or analysis at a later stage (such as environmental
mitigation). Tiering in such cases is appropriate when it helps the lead
agency to focus on the issues which are ripe for decision and exclude from
consideration issues already decided or not yet ripe.
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Last Modified:
January 22, 2009
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