United States v. J.R. Simplot Co., No. 1:23-cv-322 (D. Wyo. July 11, 2023). A settling RCRA, CAA, CERCLA, and EPCRA defendant must pay a $1.5 million civil penalty; implement compliance projects at its phosphoric acid and fertilizer manufacturing plant located near Pocatello, Idaho, known as the Don Plant; comply with specified requirements for management of wastes or other materials at the facility and in the facility’s phosphogypsum stack system; comply with specified requirements for the eventual closure and long-term care of the facility and provide financial assurance to cover the estimated cost of such obligations; continue groundwater and surface monitoring and reporting as required by a prior CERCLA consent decree; comply with specified operational practices for air emissions controls and replace the existing cooling towers with cooling pond(s) to reduce fluoride emissions into the air from the Don Plant; and revise the annual Toxic Chemical Release Inventory Reporting Forms it submitted under EPCRA for years 2004-2012 to include estimates of compounds that previously were not included.