Bioavailability 07 : Refers to that portion of the total amount of a chemical that is biologically available for uptake by an organism or at a biological interface, as a result of physical and/or chemical processes
The Association of Petrochemicals Producers in Europe (APPE), The European petrochemical industry, Glossary of Terms on Chemical Safety for Use in IPCS Publications, van Nieuwenhuyse, Brussels 2006. http://www.petrochemistry.eu/glossary.html, (Petrochem Ind - Brit) {473}