The air samples were safe and of the greater interest.

The results from their air samples go towards a national network of weather information.

Therefore, it is very important to know wind conditions on the days that scientists take the air samples.

He said air samples taken in the neighborhood found no toxicity.

You can check air samples, of course, and decide for yourselves.

People trying to sell houses in the area don't need an air sample to determine the odor's effect.

At each of the several stops made over the city, air samples were taken for immediate analysis but so far nothing unusual had been found.

After an analysis of air samples I gave instructions to descend lower.

Cameras showed the area was completely collapsed, and air samples taken would not support human life.

They're going to drill to the surface so we can get an air sample from out there.