Levels of toxic substances that occur in a certain area, excluding a known source of …

Represents the average amount of toxic chemicals in the air, water or soil to which …

A general name that applies to a family of naturally occurring fibrous silicate minerals. Asbestos …

A crystalline gray highly poisonous metal, most commonly brittle. It is used as an alloy …

Una condici¾n en la cual no existe oxÝgeno libre. Requerimiento de ausencia de aire o …

A positively-charged particle that is emitted from radioactive atoms. Alpha particles can travel less than …

An area of sand, clay or other similar material that has been gradually deposited by …

Alkaline means that a substance is basic, or has a high pH value. Laundry soap …

Air stripping removes volatile organic chemicals (such as solvents) from the water causing them to …

A process whereby volatile organic chemicals (such as solvents) are removed from contaminated material by …