AIRPORT PLANNING AND MANAGEMENT - Chapter 10 1) How do airports contribute to the economic prosperity of the communities they serve? What types of economic activity are said to be directly generated by airport activity? What types of economic activity are said to be indirectly generated by airport activity? What is a multiplier effect? How has airport–airline relations changed since the years before airline deregulation? How are contracts between airports and the concessions that serve the airport negotiated? What issues arise between airport management and the general aviation community they serve? When did airport noise become a major environmental issue? What Federal Aviation Regulations are concerned with aircraft and airport noise issues? What are the different methods of estimating noise impacts of airport activity? What are the most common noise abatement strategies employed at airports? How does FAR Part 161 aid airports in reducing noise impacts? What are the most common pollutants affecting air quality emitting from airport activity? How is hazardous waste classified? What does the Clean Water Act do to reduce hazards to water quality from airport activity? What are externalities? What are airports doing to become more economically and environmentally sustainable?