TABLE OF CONTENTS APPENDIX A1 - Aircraft Emissions Inventory for Criteria Pollutants .............................. 1 A1.1 Overview ..................................................................................................................... 1 A1.2 EPA Methodology....................................................................................................... 2 A1.3 EDMS/AEDT Methodology ....................................................................................... 4 A1.3.1 Aircraft Operations .........................................................................................5 A1.3.2 Fleet Mix  .........................................................................................................6 A1.3.3 Time-in-mode  ..................................................................................................7 A1.3.4 Emission Factors  ............................................................................................8 APPENDIX A2 - Auxiliary Power Units Emissions Inventory for Criteria Pollutants .... 10 A2.1 Overview ................................................................................................................... 10 A2.2 Methodology ............................................................................................................. 10 A2.2.1 Data Inputs ....................................................................................................11 A2.3 Computing APU Emissions with EDMS/AEDT ...................................................... 12 APPENDIX A3 - Ground Support Equipment Emissions Inventory for Criteria  Pollutants  13  A3.1 Overview ................................................................................................................... 13 A3.2 Methodology ............................................................................................................. 14 A3.2.1 Data Inputs ....................................................................................................16 A3.3 Computing GSE Emissions with EDMS/AEDT ....................................................... 17 APPENDIX A4 - Ground Access Vehicles Emissions Inventory for Criteria Pollutants . 18 A4.1 Overview ................................................................................................................... 18 A4.2 Methodology ............................................................................................................. 18 A4.2.1 On- and Off-Airport Roadways .....................................................................18 A4.2.2 Parking Facilities ..........................................................................................19 A4.2.3 Terminal Curbside Areas ..............................................................................19 A4.2.4 Data Inputs ....................................................................................................20 A4.3 Models Used to Compute Ground Access Vehicle Emissions ................................. 21 APPENDIX A5 - Stationary Source Emissions Inventory for Criteria Pollutants............ 22 A5.1 Overview ................................................................................................................... 22 A5.2 Combustion Sources.................................................................................................. 22 A5.2.1 Boilers and Heaters  ......................................................................................22 A5.2.1.1 Methodology ................................................................................. 23 A5.2.1.2 Emission Factors ........................................................................... 23 A5.2.2 Generators  ....................................................................................................24 A5.2.2.1 Methodology ................................................................................. 24 A5.2.2.2 Emission Factors ........................................................................... 26 i 