Olfaction as a sensory system brings awareness of the presence of airborne chemicals.

In a second study done by Colborn and colleagues, they examined the airborne chemicals due to the fracking process.

The third is an array of airborne toxic chemicals.

She had to choose., She could take them all with her, but the airborne chemical would contaminate innocents, too.

Acid rain is rain that has been contaminated by airborne chemicals, making it acidic.

In this state they are sensitive to airborne chemicals and can detect food sources.

This step will lower the costs to industries for reducing airborne toxic chemicals.

But he added that industry still had "some problems" with the legislation, particularly with the proposed rules for airborne chemicals.

Those living in industrial areas, or near rubbish incinerators, are exposed to other airborne chemicals from these sources.

Such airborne chemicals are likely to accumulate if the ventilation is poor.