Tustin Unified School District closed all campuses on Thursday and Friday after air quality experts detected asbestos at the historic hangar that burned down yesterday. These closures will affect ...

A Jefferson County contractor was convicted of multiple felonies this week after hiring unlicensed workers who exposed an Arvada neighborhood to asbestos. Lance Slayton was paid more than $70,000 ...

The construction company identified the need for asbestos removal, which wasn’t in the contract, shortly after starting the work, said Robert Evans Jr., deputy director for the 31st Mission ...