Authorities say that 3,000 gallons of nitric acid was released from a 5,000 gallon tank, forcing about 750 residents to evacuate the area.

A massive nitric acid leak spewed orange plumes of smoke into the sky, forcing a no-fly zone and mass evacuations around an Ohio chemical plant, according to reports. The chemical spill released 3,000 gallons of nitric acid from a tank at the Austin Powder Red Diamond Plant in McArthur– which manufactures explosives used for mining and construction – around 8:30 a.