PFAS: A New Frontier for Waste Management and Landfill Leachate Per- and Polyfluoroalkyl substances (PFAS) are found in products ranging from non-stick cookware to firefighting foam, and contaminate sites and drinking water systems across the country. PFAS are known to remain in the human body for a prolonged period of time, causing a variety of diseases. Over the past few years, several states, the United States EPA, municipal water providers, and plaintiffs’ attorneys have begun to take steps to address PFAS. Therefore, concerns involving landfill leachate have increased, demanding waste management facility operators be aware of potential future monitoring and regulatory requirements. Download