Effluent from industrial activities in countries bordering the sea is also causing various pollution hazards.

But officials said the chemicals and fuel created a pollution hazard.

A series of meetings has been organized as part of an aggressive campaign to alert residents to the health risks and pollution hazards associated with garbage-burning plants.

The atomic reactor at McMurdo Station became a pollution hazard and hence was closed down long ago.

You should carry out an environmental risk assessment to help you understand what pollution hazards there are on your site.

Heavy metal residues in incinerator ash are serious pollution hazards.

"From my perspective, here we've got U.S. taxpayer dollars adding to the pollution hazards and burden that is already there," he said.

The Bacchiglione also washes through the urban and industrial areas of Vicenza and bringing additional pollution hazards.

However, the radioactivity of the thorium caused both a safety and pollution hazard and self-degradation of the glass (turning it yellow or brown over time).

But scientists began to realize that the industry was giving birth to a serious pollution hazard.