Yet attacks on these sites might release plumes of biological or chemical toxins into the air.

He does not require air and is immune to most chemical toxins.

Cyanobacteria can also produce chemical toxins that have been a problem in drinking water.

Making matters worse, attacks on weapons sites could easily spew plumes of biological or chemical toxins into the air, increasing the carnage.

Among other things, if micro devices did not have to be hermetically sealed, they might be more useful as miniature sensors for detecting biological or chemical toxins.

But the system can detect only chemical toxins, not biological weapons like anthrax and smallpox.

Radioactive and chemical toxins had leeched in to the soil and entered the food cycle.

Many plants contain chemical toxins that serve as a deterrent to being eaten.

Had its growth hormones been effected by radioactive or chemical toxins?

For safety reasons, wear personal protective equipment when working near environmental or chemical toxins.