Many dust samples collected near the attack site last week contained 1 percent to 2 percent asbestos, agency officials said.

First he has to scrabble around in a lot of dust samples and now smelly garbage.

Once inside, he took out the canister with the dust sample from the museum, and headed for the laboratory.

Researchers collected dust samples from 173 homes taken one month after a newborn was brought home.

The discredited test involves test chemical analysis of dust samples taken from suspect properties.

But the spacecraft survived and is returning cometary dust samples to Earth.

She scooped up a dust sample and passed it through a portable lab unit for a quick analysis.

Dangerously high concentrations of lead were found in dust samples taken in the spring.

The dust samples can then be brought back to the Earth to be analyzed.

In another, the researchers analyzed settled dust samples taken from elsewhere in the children's bedrooms.