A black smoke filled the sky above Eglin Air Force Base in Florida after an explosion rocked the McKinley Climatic Laboratory on Wednesday morning.
An explosion occurred a little before 10 a.m. Wednesday. No injuries were reported. .
A 1,000-foot cordon has been established, and the surrounding area has been evacuated, authorities say.
The smoke visible has been identified as methyl chloride.
According to the EPA, methyl chloride, also known as chloromethane, is a refrigerant that’s no longer widely used because of its potentially toxic properties. Inhalation can cause a wide variety of side effects, including dizziness, blurred vision, convulsions, and coma.
The cause of the explosion is under investigation.