1.   Fine black dust began to fall, slowly, gently, suspended and swirled by the breeze.

2.   She could even see it in this thing, the pallor of it, the fine dust of jet black fur.

3.   They left, a cloud of fine dust rising behind them.

4.   They will monitor concentrations of nitrogen oxides, sulphur dioxide, carbon monoxide and low-level ozone, as well as airborne fine dust and hydrocarbons such as benzene.

5.   This ejected fine dust and ash particles into the atmosphere, which are believed to be accelerating the chemical reactions by which ozone is destroyed by chlorine compounds.

6.   A fine dust of microscopic particles from plants is what triggers allergic reactions.

7.   A fine dust, inches thick, coated the entire area.

8.   Gold, however, still maintains that his basic point, that the moon is covered mostly by fine dust rather than solid rock, was actually proved right.

9.   Hematite, an iron oxide, is spread across the Martian surface in a fine dust.

10.   In the past, unusual summer chill has been connected to volcanic eruptions which spew fine dust into the stratosphere.