1.   Firstly, ambient air quality standards or goals need to be specified.

2.   If no pollution control expenditures are made, ambient air pollution concentration will be high and pollution damage costs high.

3.   It requires a greater than one-for-one reduction in emissions in order to achieve a net improvement in ambient air quality.

4.   The water in the aquarium will quickly equal the ambient air temperature.

5.   Fans are used to draw ambient air over the condenser and air over the evaporator inside.

6.   Negre has said that his car would actually scrub the ambient air with on-board carbon filters.

7.   Nitrogen is combined with ambient air, and the compound is conducted to the virtually impermeable altitude room.

8.   Sensors measure the effects of relative humidity and ambient air temperature.

9.   The ambient air, of course, is key to how long the smoking will take.