For example, baghouses are shaken or blown with compressed air to release caked-on dust from the bag.

Sacks of asbestos fibre had been opened in the factory, releasing dust into the atmosphere.

Opponents said the explosion would release radioactive dust from long-undisturbed radioactive material.

All released some bacteria, dust, and allergens back into the air.

MANY building or remodeling projects and household maintenance chores release dust, harmful vapors and mists that can contaminate the air.

As she said it, she unconsciously closed her hand, as if upon a solid object, and slowly opened it as though she were releasing dust or ash.

Burning waste may release harmful gases, grit and dust.

When worked, some stones release dust that can damage lungs (silica crystals are usually to blame), so a respirator is sometimes needed.

The hammering and other work during the renovation could have released lead dust into the air.

Don't sand the surface before painting, though, because that will release lead-contaminated dust.