A nitric acid leak at the Austin Powder Plant in Vinton County, Ohio, led to emergency evacuations Wednesday morning. Hundreds of residents in the Village of Zaleski and nearby areas were ordered to ...

A commercial vehicle carrying extremely hazardous nitric acid was involved in a crash on an Arizona highway, prompting officials to evacuate the immediate area, including the University of Arizona's ...

Residents were forced to evacuate Montague Gardens, Cape Town, on Monday over what was believed to be a chemical spill. Emergency services responded to what is believed to be a nitric acid spill.

TUCSON, Ariz. -- The Arizona Department of Public Safety is maintaining a shelter-in-place order to a one-mile perimeter around the hazardous spill of liquid nitric acid on Interstate 10 in Tucson.

A new study by various Swiss universities, including EPFL, shows that aerosols in indoor air can vary in acidity. This acidity determines how long viruses such as influenza and SARS-CoV-2 remain ...