The Environmental Protection Agency is scouring the country for fertilizer and animal feed made from imported raw materials contaminated with cadmium, a toxic metal.

The same applies to organic materials contaminated with organic peroxides.

You must dispose of any absorbent or other materials contaminated with oil as hazardous waste.

There were also four bodies, one sealed in the sort of bag used to store materials contaminated by radiation.

Under E.P.A. rules, materials even slightly contaminated by hazardous substances must be buried in costly hazardous-waste landfills.

It is transmitted orally, when the larvae ingest material contaminated with the virus.

The method is not suitable for material contaminated with water, for which the appropriate method is that described at iv.

However, no trace of chemical weapons agents was found during the land quality assessment, although material contaminated with radium was removed from land near the base in 2004.

Humans and other animals become infected when they intentionally or unintentionally eat material contaminated by insects.

Disposing properly of material contaminated with PCB's is much more costly than disposing of waste oil.