Fire broke out Tuesday afternoon at a Connecticut plant specializing in recycling soil contaminated with non-hazardous materials. The Plainville plant was not operating at the fire, the Hartford Courant reports.

Soil is reclaimed using a process called "low temperature thermal desorption" to remove contaminants such as petroleum.

Flames rose around one of the plant's smokestacks, producing smoke seen from nearby communities. Firefighters from Plainville and Farmington responded to the scene.