Greener Skies – Appendix A - Sea-Tac Noise.Info

Proposed Arrival Procedures to Seattle-Tacoma International Airport iii November 2012 Contents Appendix A ACRONYMS, ABBREVIATIONS AND GLOSSARY OF TERMS.............................. A-1 Appendix B CATEGORICAL EXCLUSION FOR LIMITED TESTING........................................... B-1 Appendix C CURRENT PUBLISHED APPROACH PROCEDURES AFFECTED BY THE PROPOSED ACTION................................................................................................................ C-1 Appendix D TARGETS FILES FOR PROPOSED NEW ROUTINGS ............................................ D-1 Appendix E NIRS AIRCRAFT SUBSTITUTION REQUEST AND FAA RESPONSE......................E-1 Appendix F NOISE AND ITS EFFECTS ON PEOPLE ..................................................................F-1 F.1 Background Information on Noise Metrics.................................................................................................... F-1 F.2 The decibel, dB .............................................................................................................................................. F-1 F.3 A-weighted decibels, dBA ............................................................................................................................. F-2 F.4 Sound Exposure Level, SEL .......................................................................................................................... F-4 F.5 Equivalent Sound Level, Leq .......................................................................................................................... F-5 F.6 Day-Night Average Sound Level, DNL......................................................................................................... F-6 F.7 Community Annoyance ................................................................................................................................. F-9 F.8 Noise/Land Use Compatibility Guidelines................................................................................................... F-10 Appendix G NOISE MODELING TECHNICAL REPORT.............................................................. G-1 G.1 Noise Modeling Methodology and Data Inputs .............................................................................................G-1 G.2 Airport Layout................................................................................................................................................G-3 G.3 Aircraft Operations.........................................................................................................................................G-5 G.3.1 Aircraft Noise Performance ...........................................................................................................................G-6 G.4 Runway Utilization ......................................................................................................................................G-10 G.5 Flight Tracks and Flight Track Utilization...................................................................................................G-10 G.6 Meteorological Conditions...........................................................................................................................G-14 G.7 Modeling Locations .....................................................................................................................................G-14 Appendix H DETAILED NIRS CALCULATIONS.......................................................................... H-1 Appendix I HISTORIC RESOURCE SITES................................................................................... I-1 I.1 State Historic Preservation Office Letter of Concurrence with APE ............................................................ I-35 I.2 FAA Cover Letter Transmittal of Cultural Resources Report....................................................................... I-36 I.3 Cultural Resources Report ............................................................................................................................ I-37 I.4 State Historic Preservation Office Letter of Concurrence with CRR............................................................ I-69 Appendix J ENDANGERED SPECIES ACT COMPLIANCE......................................................... J-1 Appendix K AGENCY COORDINATION...................................................................................... K-1 K.1 Sample Letter of Invitation to Agency Scoping Meeting...............................................................................K-3 K.2 List of Invitees to Agency and Tribal Scoping Meetings ...............................................................................K-6 K.3 Sign-in Sheet for…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]