Chapter 6  The Genetic Material. The Basic Requirements for Genetic Material (i.e., the material that determines the inherited characteristics of a functional organism): 1  It must be stable.  It must be capable of being expressed when needed.
- In the manufacture of metal or alloys. Toxicology : Zirconium compounds are generally considered to be of low toxicity. Skin : Granulomata have been produced by repeated topical applications of zirconium salts to human skin.
Dioxin is a general term that describes a group of hundreds of chemicals that are highly persistent in the environment. The most toxic compound is 2,3,7,8-tetrachlorodibenzo-p-dioxin or TCDD. The toxicity of other dioxins and chemicals like PCBs that act like dioxin are measured in relation to TCDD.