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Final

Environmental Assessment

for

U.S. Air Force

atmospheric interceptor technology (ait) Program

 

Download ait EA and FONSI in pdf, (7.5 MB)

Download Federal Aviation Administration's EA of the Kodiak Launch Complex in pdf, (3.5 MB)

ait EA in HTML

• FONSI (Finding of No Significant Impact)
• Table of Contents
• Acronyms & Glossary
• Executive Summary
• Chapter 1: Introduction
• Chapter 2: Description of Proposed Action and Alternatives
• Chapter 3: Affected Environment
• Chapter 4: Environmental Consequences
• Chapter 5: Mitigation Measures
• Chapter 6: Individuals and Agencies Consulted
• Chapter 7: List of Preparers
• Chapter 8: References and Resources
• Tables
• Figures
  • Figure 1.1: Kodiak Launch Complex Site Location
  • Figure 2.1: Kodiak Launch Complex and Vicinity
  • Figure 2.2: Kodiak Launch Complex Facility Layout
  • Figure 2.3: Launch Control and Management Center
  • Figure 2.4: Payload Processing Facility
  • Figure 2.5: Integration and Processing Facility, Launch Pad & Service Structure
  • Figure 2.6: Existing DoD Missile Test Ranges
  • Figure 2.7: Existing DoD Facilities in Alaska
  • Figure 4.3-1: Pinniped Haulouts in KLC Vicinity
  • Figure 4.4-1: On-Pad Noise Levels
  • Figure 4.4-2: Near-Field In-Flight Noise Levels
  • Figure 4.4-3: Sonic Boom Locations
  • Figure 4.5-1: Safety Exclusion Zone and Destruction Line
• Appendix A: Public Scoping
• Appendix B: Air Quality
  • Figure 1: Downwind Concentrations From Normal July Launch of ait, Prevailing Wind Conditions
  • Figure 2: Downwind Concentrations From Normal July Launch of ait, Calm Wind Conditions
  • Figure 3: Downwind Concentrations From Normal March Launch of ait, Prevailing Wind Conditions
  • Figure 4: Downwind Concentrations From Normal March Launch of ait, Clam Wind Conditions
  • Figure 5: Down Wind Concentrations From Abort of July Launch of ait, Prevailing Wind Conditions
  • Figure 6: Downwind Concentrations From Abort of July Launch of ait, Calm Wind Conditions
  • Figure 7: Downwind Concentrations From Abort of March Launch of ait, Prevailing Wind Conditions
  • Figure 8: Downwind Concentration From Abort of March Launch of ait, Calm Wind Conditions
  • Figure 9: Maximum 60 Minute Mean Concentrations vs. Launch Scenario
• Appendix C: Launch Noise and Sonic Boom
  • Appendix C.1: Noise Methods of Analysis
    • Figure A-1: A-Weighted Sound Levels of Common Sounds
    • Figure A-2: Focused U-Wave and Unfocused N-Wave Boom Signatures
    • Figure A-3: Community Response to Noise
    • Figure A-4: Criteria for Noise Damage to Residential Structures and Typical Off-Base Launch Noise Spectrum
  • Appendix C.2: Model Analysis of Sonic-Boom Noise Penetration Underwater
    • Figure 1: Starting Signature: Kodiak Launch
    • Figure 2: The Overpressure Distribution for Case A & B at Different Depths
    • Figure 3: The Overpressure Distribution for Case C, D, & E at Different Depths
    • Figure 4: The Root-Mean-Square Values of Overpressure Distribution at Three Different Depths
    • Figure 5 & 6: Overpressure Foot Print - Ascent & Descent