A chemical leak at a Vinton County explosives manufacturer on June 11 prompted evacuations and a no-fly order around the southeast Ohio plant. The leak produced a large plume of yellowish gas. Evacuation orders have since been lifted,

A nitric acid leak at the Austin Powder Plant in McArthur, Ohio, released 3,000 gallons of toxic gas, prompting evacuations in nearby Zaleski. An orange plume formed, leading to road closures and a no-fly zone.