An ongoing investigation by the U.S. Chemical Safety Board (CSB) of the February 18, 2015, explosion at the ExxonMobil Refinery in Torrance, California, has uncovered multiple process safety management deficiencies that led to the accident and a serious near miss.

The Department of Homeland Security can’t verify threat level reports from thousands of chemical plants across the country, reducing Homeland’s ability to respond to a chemical attack or emergency, according to a new government report.

The EPA and the U.S. Department of Justice (DOJ) have announced a final settlement with Millard Refrigerated Services that resolves alleged violations of the Clean Air Act, Emergency Planning and Community Right-to-Know Act and Comprehensive Environmental Response, Compensation, and Liability Act for an airborne release of ammonia from Millard’s Theodore, Alabama, facility in 2010.

The EPA and the U.S. Department of Justice have announced a settlement with Tyson Foods, Inc. and several of its affiliate corporations over incidents in which anhydrous ammonia was released at facilities in Kansas, Missouri, Iowa, and Nebraska, resulting in multiple injuries, property damage, and one fatality.