Support Documents for Phosphogypsum and Process Wastewater Section 21 Petition
Documents supporting the Section 21 petition submitted by People for Protecting Peace River, Atchafalaya Basinkeeper, Bayou City Waterkeeper, Calusa Waterkeeper, Center for Biological Diversity, Cherokee Concerned Citizens, Healthy Gulf, ManaSota-88, Our Santa Fe River, RISE St. James, Sierra Club’s Florida and Delta chapters, Suncoast Waterkeeper, Suwanee Riverkeeper, Tampa Bay Waterkeeper, Waterkeeper Alliance, Waterkeepers Florida, and WWALS Watershed Coalition. The petition requests EPA initiate the prioritization process for a phosphogypsum and process wastewater risk evaluation under TSCA section 6, issue a TSCA section 4 testing rule for disposed phosphogypsum, and issue a TSCA Significant New Use Rule under TSCA section 5 for phosphogypsum used in road construction. After careful consideration, EPA denied the petitioners’ request for EPA to issue a TSCA Section 4 testing rule on May 7, 2021. The agency’s reasons for denying this part of the petition published in the Federal Register notice on May 21, 2021.