Concentration

The amount of a chemical or substance present in a particular quantity of soil, water, air, food, blood, hair, urine, breath, or any other media.

Source: GreenFacts

Concentration is often expressed in milligrams per cubic meter (mg/m³), parts per million (ppm), parts per billion (ppb) or as a percentage (%). More information can be found in the GreenFacts weight units toolbox.

Source: GreenFacts

Bioconcentration

Deutsch: Konzentration
Español: Concentración
Français: Concentration

Boron

Arsenic

Fluoride

Endocrine Disruptors

Water Disinfectants