środek toksyczny

It would make for scientific precision if we named our toxic agent.

Children must often rely on adults to protect them from toxic environmental agents.

"But any persistent highly toxic agent in the ecosystem is dangerous."

A similar situation is also present with other types of toxic agents.

Significant pollution by toxic agents has been identified around the former military base.

He worked on a new method to detect toxic agents in the nervous system.

As yet, the toxic agents have not been identified.

Don't be alarmed - they're not toxic agents produced by some huge chemical company, as the name might suggest.

The next highest category was respiratory problems caused by toxic agents, at 16,200.

It was previously used in the treatment of breast cancer, but has been replaced by more effective and less toxic agents.