Similar term(s): environmental medium.
Soil, water, air, biota (plants and animals), or any other parts of the
environment that can contain contaminants.
Glossary of Terms
One of the major categories of material found in the physical environment that
surrounds or contacts organisms, e.g., surface water, ground water, soil, or
air, and through which chemicals or pollutants can move and reach the organisms.
Español: Medio(s) (en el medioambiente)
Français: Milieu environnemental