SIMI VALLEY (CBSLA.com) — Officials evacuated a half dozen homes Monday afternoon as crews respond to a mercury spill in Simi Valley.

Ten people have been exposed, including three firefighters, according to the Ventura County Fire Department. No one was taken to the hospital.

READ MORE: Orange County Deputies Open Fire Inside Foothill Ranch Walmart, Suspect Wounded

The leak has been contained.

READ MORE: Woman Runs Down, Kills Man With Car In South El Monte, Injures Deputy, Then Leads Pursuit

Two homes were sheltered in place.

MORE NEWS: Jokic Has 49, Triple-Double As Nuggets Edge Clippers In OT

Simi Valley police are asking the public to avoid using Cochran Street between Tapo Street and Tapo Canyon Road until further notice.