Arsenic

How and why it needed and use

Arsenic and its compounds, especially the trioxide, are used in the production of pesticides (treated wood products), herbicides, and insecticides.

Discription of Arsenic

Arsenic is a poisonous chemical often used in herbicides and pesticides and is classified as a Class 1 carcinogen, meaning it is highly toxic to humans. Other Class 1 carcinogens include asbestos, formaldehyde and hepatitis B and C viruses.