Chapter 6 discusses the regulations that affect waste incineration in the United States. Chapter 7 discusses important social issues, including public perceptions of waste combustion and their bases. The chapter also discusses risk communication about incineration. Chapter 8 addresses important uncertainties involved in assessing possible relationships between exposure to environmental concentrations of pollutants released from waste-incineration facilities and occurrences of human health effects.

Chapter 3, Chapter 4, Chapter 5, Chapter 6, Chapter 7 through Chapter 8 provide conclusions and recommendations regarding appropriate methods for assessing the siting, design, and operation of combustion facilities. They also identify various types of scientific, technical, and other information that should be provided to decisionmakers and other interested or affected parties to help them understand and weigh the risks associated with waste combustion.