On May 14, 2021, EPA ordered the Respondents to pause all operations at its St. Croix, U.S. Virgin Islands refinery due to multiple improperly conducted operations that present an imminent risk to public health. Since February 1, 2021, the facility had at least 4 incidents where uncontrolled emissions from the facility caused immediate and significant health impacts on multiple downwind communities. The facility also had excess emission of H2S and SO2 on numerous days.