− Environmental Protection Agency’s Technology Transfer Network Support Center for Regulatory Atmospheric Modeling, http://www.epa.gov/ttn/scram/. 

− ESRI's GIS (geographic information systems) mapping software enables the visualization of geographic data, http://www.esri.com/. 

− Federal Aviation Administration & Environmental Protection Agency, Technical Data to Support FAA‟s Advisory Circular on Reducing Emissions from Commercial Aviation , September 29, 1995, http://www.epa.gov/oms/regs/nonroad/aviation/faa-ac.pdf. 

− Federal Aviation Administration & Environmental Protection Agency, Guidance on Airport Emission Reduction Credits for Early Measures through Voluntary Airport Low- Emission Programs , September 2004, 

http://www.faa.gov/airports/resources/publications/reports/environmental/media/AERC_09 3004.pdf. 

− Federal Aviation Administration & Environmental Protection Agency, Recommended Best Practice for Quantifying Speciated Organic Gas Emissions from Aircraft Equipped with Turbofan, Turbojet, and Turboprop Engines (Version 1.0) , May 27, 2009 [EPA-420-R-09- 901], http://www.epa.gov/nonroad/aviation/420r09901.pdf. 

− Federal Aviation Administration Order 1050.1E, Change 1, Environmental Impacts: Policies and Procedures, Appendix A: Section 2. Air Quality , March 20, 2006, 

http://www.faa.gov/documentLibrary/media/order/energy_orders/1050-1E.pdf. 

− Federal Aviation Administration Order 5050.4B, National Environmental Policy Act Implementing Instructions for Airport Actions , April 28, 2006, 

http://www.faa.gov/airports/resources/publications/orders/environmental_5050_4/media/50 50-4B_complete.pdf. 

− Federal Aviation Administration Order JO 7400.2J, Procedures for Handling Airspace Matters , February 9, 2012, http://www.faa.gov/documentLibrary/media/Order/AIR.pdf. 

− Federal Aviation Administration, AEDT Support Website , https://aedt.faa.gov/. 

− Federal Aviation Administration, An Environmental Desk Reference for Airport Actions , October 10, 2007, 

http://www.faa.gov/airports/environmental/environmental_desk_ref/media/desk_ref.pdf. 

− Federal Aviation Administration, Aviation Climate Change Research Initiative , 

http://www.faa.gov/about/office_org/headquarters_offices/apl/research/science_integrated_ modeling/accri/. 

− Federal Aviation Administration, Aviation Environmental Design Tool (AEDT), 

http://www.faa.gov/about/office_org/headquarters_offices/apl/research/models/aedt/. 

− Federal Aviation Administration, Aviation Environmental Design Tool (AEDT), Technical Manual Version 2a , March 2013, 

https://aedt.faa.gov/Documents/AEDT2a_TechManual.pdf. 

− Federal Aviation Administration, Draft 1050.1F Desk Reference , January 14, 2013. 

− Federal Aviation Administration, Draft FAA Order 1050.1F - Policies and Procedures for Considering Environmental Impacts , 

