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. Index to Parts 1500 Through 1508--Table of Contents
Editorial Note: This listing is provided for information purposes only. It is compiled and kept up-to-date by the Council on Environmental Quality, and is revised through July 1, 2015.
IndexAct....................................... 1508.2.Action.................................... 1508.18, 1508.25.Action-forcing............................ 1500.1, 1502.1.Adoption.................................. 1500.4(n), 1500.5(h),
1506.3.Affected Environment...................... 1502.10(f), 1502.15.Affecting................................. 1502.3, 1508.3.Agency Authority.......................... 1500.6.Agency Capability......................... 1501.2(a), 1507.2.Agency Compliance......................... 1507.1.Agency Procedures......................... 1505.1, 1507.3.Agency Responsibility..................... 1506.5.Alternatives.............................. 1500.2(e), 1501.2(c),
1502.2(d), 1502.10(e),
1502.14, 1505.1(e), 1505.2,
1507.2(d), 1508.25(b).Appendices................................ 1502.10(k), 1502.18,
1502.24.Applicant................................. 1501.2(d)(1), 1501.4(b),
1501.8(a), 1502.19(b),
1503.1(a)(3), 1504.3(e),
1506.1(d), 1506.5(a),
1506.5(b).Apply NEPA Early in the Process........... 1501.2.Categorical Exclusion..................... 1500.4(p), 1500.5(k),
1501.4(a), 1507.3(b),
1508.4.Circulation of Environmental Impact 1502.19, 1506.3.
Statement.Classified Information.................... 1507.3(c).Clean Air Act............................. 1504.1(b), 1508.19(a).Combining Documents....................... 1500.4(o), 1500.5(i),
1506.4.Commenting................................ 1502.19, 1503.1, 1503.2,
1503.3, 1503.4, 1506.6(f).Consultation Requirement.................. 1500.4(k), 1500.5(g),
1501.7(a)(6), 1502.25.Context................................... 1508.27(a).Cooperating Agency........................ 1500.5(b), 1501.1(b),
1501.5(c), 1501.5(f),
1501.6, 1503.1(a)(1),
1503.2, 1503.3, 1506.3(c),
1506.5(c), 1508.5.Cost-Benefit.............................. 1502.23.Council on Environmental Quality.......... 1500.3, 1501.5(e),
1501.5(f), 1501.6(c),
1502.9(c)(4), 1504.1,
1504.2, 1504.3, 1506.6(f),
1506.9, 1506.10(d),
1506.11, 1507.3, 1508.6,
1508.24.Cover Sheet............................... 1502.10(a), 1502.11.Cumulative Impact......................... 1508.7, 1508.25(a),
1508.25(c).Decisionmaking............................ 1505.1, 1506.1.Decision points........................... 1505.1(b).Dependent................................. 1508.25(a).Draft Environmental Impact Statement...... 1502.9(a).Early Application of NEPA................. 1501.2.Economic Effects.......................... 1508.8.Effective Date............................ 1506.12.Effects................................... 1502.16, 1508.8.Emergencies............................... 1506.11.Endangered Species Act.................... 1502.25, 1508.27(b)(9).Energy.................................... 1502.16(e).Environmental Assessment.................. 1501.3, 1501.4(b),
1501.4(c), 1501.7(b)(3),
1506.2(b)(4), 1506.5(b),
1508.4, 1508.9, 1508.10,
1508.13.Environmental Consequences................ 1502.10(g), 1502.16.Environmental Consultation Requirements... 1500.4(k), 1500.5(g),
1501.7(a)(6), 1502.25,
1503.3(c).Environmental Documents................... 1508.10.Environmental Impact Statement............ 1500.4, 1501.4, 1501.7,
1502.1, 1502.2, 1502.3,
1502.4, 1502.5, 1502.6,
1502.7, 1502.8, 1502.9,
1502.10, 1502.11, 1502.12,
1502.13, 1502.14, 1502.15,
1502.16, 1502.17, 1502.18,
1502.19, 1502.20, 1502.21,
1502.22, 1502.23, 1502.24,
1502.25, 1506.2(c), 1506.3,
1506.8, 1508.11.Environmental Protection Agency........... 1502.11(f), 1504.1, 1504.3,
1506.7(c), 1506.9, 1506.10,
1508.19(a).Environmental Review Requirements......... 1500.4(k), 1500.5(g),
1501.7(a)(6), 1502.25,
1503.3(c).Expedite.................................. 1501.8(b)(3).Federal Agency............................ 1508.12.Filing.................................... 1506.9.Final Environmental Impact Statement...... 1502.9(b), 1503.1,
1503.4(b).Finding of No Significant Impact.......... 1500.3, 1500.4(q),
1500.5(l), 1501.4(e),
1508.13.Fish and Wildlife Coordination Act........ 1502.25.Format for Environmental Impact Statement. 1502.10.Freedom of Information Act................ 1506.6(f).Further Guidance.......................... 1506.7.Generic................................... 1502.4(c)(2).General Services Administration........... 1506.8(b)(2)(iii).Geographic................................ 1502.4(c)(1).Graphics.................................. 1502.8.Handbook.................................. 1506.7(a).
Housing and Community Development Act..... 1506.12, 1508.12.Human Environment......................... 1502.3, 1502.22, 1508.14.Impacts................................... 1508.8, 1508.25(c).Implementing the Decision................. 1505.3.Incomplete or Unavailable Information..... 1502.22.Incorporation by Reference................ 1500.4(j), 1502.21.Index..................................... 1502.10(j).Indian Tribes............................. 1501.2(d)(2), 1501.7(a)(1),
1502.16(c),
1503.1(a)(2)(ii),
1506.6(b)(3)(ii), 1508.5,
1508.12.Intensity................................. 1508.27(b).Interdisciplinary Preparation............. 1502.6, 1502.17.Interim Actions........................... 1506.1.Joint Lead Agency......................... 1501.5(b), 1506.2.Judicial Review........................... 1500.3.Jurisdiction by Law....................... 1508.15.Lead Agency............................... 1500.5(c), 1501.1(c),
1501.5, 1501.6, 1501.7,
1501.8, 1504.3, 1506.2(c),
1506.8(c), 1506.10(d),
1508.16.Legislation............................... 1500.5(j), 1502.3, 1506.8,
1508.17, 1508.18(a).Limitation on Action During NEPA Process.. 1506.1.List of Preparers......................... 1502.10(h), 1502.17.Local or State............................ 1500.4(n), 1500.5(h),
1501.2(d)(2), 1501.5(b),
1501.5(d), 1501.7(a)(1),
1501.8(c), 1502.16(c),
1503.1(a)(2), 1506.2(b),
1506.6(b)(3), 1508.5,
1508.12, 1508.18.Major Federal Action...................... 1502.3, 1508.18.Mandate................................... 1500.3.Matter.................................... 1504.1, 1504.2, 1504.3,
1508.19.Methodology............................... 1502.24.Mitigation................................ 1502.14(f), 1502.16(h),
1503.3(d), 1505.2(c),
1505.3, 1508.20.Monitoring................................ 1505.2(c), 1505.3.National Historic Preservation Act........ 1502.25.National Register of Historical Places.... 1508.27(b)(8).Natural or Depletable Resource 1502.16(f).
Requirements.Need for Action........................... 1502.10(d), 1502.13.NEPA Process.............................. 1508.21.Non-Federal Sponsor....................... 1501.2(d).Notice of Intent.......................... 1501.7, 1507.3(e), 1508.22.OMB Circular A-95......................... 1503.1(a)(2)(iii), 1505.2,
1506.6(b)(3)(i).Ongoing Activities........................ 1506.12.Page Limits............................... 1500.4(a), 1501.7(b),
1502.7.Planning.................................. 1500.5(a), 1501.2(b),
1502.4(b), 1508.18.Policy.................................... 1500.2, 1502.4(b),
1508.18(a).Program Environmental Impact Statement.... 1500.4(i), 1502.4, 1502.20,
1508.18.Programs.................................. 1502.4, 1508.18(b).Projects.................................. 1508.18.Proposal.................................. 1502.4, 1502.5, 1506.8,
1508.23.Proposed Action........................... 1502.10(e), 1502.14,
1506.2(d).Public Health and Welfare................. 1504.1.Public Involvement........................ 1501.4(e), 1503.1(a)(4),
1506.6.Purpose................................... 1500.1, 1501.1, 1502.1,
1504.1.Purpose of Action......................... 1502.10(d), 1502.13.Record of Decision........................ 1505.2, 1506.1.Referrals................................. 1504.1, 1504.2, 1504.3,
1506.3(d).Referring Agency.......................... 1504.1, 1504.2, 1504.3.Response to Comments...................... 1503.4.Rural Electrification Administration...... 1506.1(d).Scientific Accuracy....................... 1502.24.Scope..................................... 1502.4(a), 1502.9(a),
1508.25.Scoping................................... 1500.4(g), 1501.1(d),
1501.4(d), 1501.7,
1502.9(a), 1506.8(b).Significantly............................. 1502.3, 1508.27.Similar................................... 1508.25.Small Business Associations............... 1506.6(b)(3)(vi).Social Effects............................ 1508.8.Special Expertise......................... 1508.26.Specificity of Comments................... 1500.4(l), 1503.3.State and Areawide Clearinghouses......... 1501.4(e)(2),
1503.1(a)(2)(iii),
1506.6(b)(3)(i).State and Local........................... 1500.4(n), 1500.5(h),
1501.2(d)(2), 1501.5(b),
1501.5(d), 1501.7(a)(1),
1501.8(c), 1502.16(c),
1503.1(a)(2), 1506.2(b),
1506.6(b)(3), 1508.5,
1508.12, 1508.18.State and Local Fiscal Assistance Act..... 1508.18(a).Summary................................... 1500.4(h), 1502.10(b),
1502.12.Supplements to Environmental Impact 1502.9(c).
Statements.Table of Contents......................... 1502.10(c).Technological Development................. 1502.4(c)(3).Terminology............................... 1508.1.Tiering................................... 1500.4(i), 1502.4(d),
1502.20, 1508.28.Time Limits............................... 1500.5(e), 1501.1(e),
1501.7(b)(2), 1501.8.Timing.................................... 1502.4, 1502.5, 1506.10.Treaties.................................. 1508.17.When to Prepare an Environmental 1501.3.
Assessment.Whether to Prepare an Environmental Impact 1501.4.
Statement.Wild and Scenic Rivers Act................ 1506.8(b)(2)(ii).Wilderness Act............................ 1506.8(b)(2)(ii).Writing................................... 1502.8.------------------------------------------------------------------------