An excavated area where soil, sand or gravel has been dug up for use elsewhere.Source: …

Usually, a vertical hole drilled into the ground from which soil samples can be collected …

Transformation of a chemical to other chemicals, aided by populations of microorganisms in the soil. …

A waste generated from the treatment of wastewater from petroleum refining and the manufacture of …

A process that uses microorganisms to change toxic compounds into non-toxic compounds.Source: Department of Toxic …

The process by which some contaminants or toxic chemicals gradually collect and increase in concentration …

A ledge, wall or a mound of earth used to prevent the migration of contaminants.Source: …

A petroleum derivative and a widely used solvent in the chemical industry. Uses of benzene …

Se entiende por basura todo residuo s¾lido o semi- s¾lido que carece de valor para …

Substances characterized by high pH (greater than 7.0), which tend to be corrosive in chemical …

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 …