Harmful wastes can build up in your body.

Both types filter your blood to rid your body of harmful wastes, extra salt and water.

Kidney dialysis is a life-support treatment that uses a special machine to filter harmful wastes, salt, and excess fluid from your blood.

In addition, ICI will try to eliminate all off-site disposal of environmentally harmful wastes.

Concerning the environment, Mr. Florio said he envisioned incentives for industries to reduce production of harmful wastes, and to have state government and public authorities use recycled products.

In Saul Bellow's new novel, "More Die of Heartbreak," a botanist is asked by a reporter about the problems of radiation levels, dioxin and harmful wastes.

When I do this, though, to keep the ecosystem healthy I have to take over the normal functions of organisms in the ecosystem: I have to remove harmful wastes and provide nutrients.

However, what moves in such a way is not limited to "what is good," and harmful wastes such as mercury and lead move across the national boundaries as narcotic drugs and weapons do.

The rules, which would impose minimum standards for state and local laws governing the nation's 6,000 municipal landfills, require monitoring of hazardous wastes and methane gas, prohibit discharge of harmful wastes into surface waters and strengthen controls over rodents, fires and odor.

Society seeks to rectify the effects of this divergence of private and social interests by imposing limits or prohibitions on certain kinds of emissions or on the use of polluting processes; other techniques, such as taxing the production of harmful wastes, are also available to force companies to 'internalise' the full costs of its activities.