A settling RCRA defendant that deposited large piles of phosphogypsum, a byproduct of manufacturing phosphate and nitrogen fertilizer products, at a former phosphoric acid fertilizer facility in Geismar, Louisiana, must implement compliance projects at the facility; make RCRA hazardous waste determinations and properly manage all solid waste generated; construct a wastewater treatment plant and properly segregate stormwater and wastewater; comply with specified requirements for the ongoing closure and long-term care of the facility; provide over $84 million of financial assurance to cover the costs of such obligations; and pay a civil penalty of $1,510,023.