On March 22, 2022, the U.S. Environmental Protection Agency (EPA) sent a letter to the West Indies Petroleum Limited and Port Hamilton Refining and Transportation LLLP, the new owners of the St. Croix refinery (Refinery). The letter addresses permitting requirements for the Refinery under the Clean Air Act’s Prevention of Significant Deterioration (PSD) regulations — and offers insight into the agency’s current practice for evaluating PSD requirements when a source seeks to restart a permitted facility. (more…)