Arsenic is a natural element found in rocks and soil and is often found in well water. It can also come from human activities and is used in some consumer products. Over time, arsenic causes cancer along with other health...
Benzene is the name of an aromatic hydrocarbon, C6H6. In liquid form, benzene is clear, colorless, and flammable.
Ozone is a colorless gas with a noticeable smell. Although ozone is naturally found in the atmosphere, it is also a main part of air pollution called smog.
“Particulate” is a general name given to a tiny solid or liquid particle or piece of matter. It usually refers to particles in the air (airborne particulates).