Respondent owns and operates a Power Plant (“Facility”) which produces processes, handles, or stores, among other things, hydrogen peroxide, which is an extremely hazardous substance when stored in a carbon steel tank and produces hydrogen, a regulated substance, when reacting with carbon steel. On July 25, 2014, there was an incident in which a tank had an uncontrolled release of pressure from the Hydrogen Peroxide tank. The 7000 pound carbon steel tank liberated from its foundation, separated from its bottom at the weld seam, and jettisoned 570 feet to the South West of the Facility. The 1200 gallons of hydrogen peroxide were released to the environment and leaving the water treatment system inoperable. This resulted in a plant forced outage of 48 hours and mitigation costs of approximately $100,000. There were NO injuries or fatalities. Respondent’s investigation revealed that…