Appendix #1

#1 Glossary
Bioaccessibility – the fraction of a contaminant that is soluble and which is available for uptake into the circulatory system (Ruby et al., 1996, 1999; Kramer and Ryan, 2000; Moore 2003). Definition from Naidu et al 2008 p. 41

Bioavailability – A measure of the physicochemical access that a toxicant has to the biological process of an organism (USEPA 1997) Definition from Naidu et al 2008 p. 40

In vitro – in an artificial environment outside the living organism; "an egg fertilized in vitro", definition from wordnet.princeton.edu/perl/webwn

In vivo - within a living organism;"in vivo techniques", definition from wordnet.princeton.edu/perl/webwn

Ombrotrophic – soils that gain all their water and nutrients from precipitation rather than from springs or streams, definition from reference.com