ABSTRACT

Contents 7.1 Land-farming background .......................................................................217

7.1.1 Polycyclic aromatic hydrocarbons..............................................217 7.1.1.1 Chemical structure and source of

contamination..................................................................217 7.1.1.2 Toxicity and benzo(a)pyrene toxic

equivalent factors ...........................................................217 7.1.1.3 PAH bioavailability ........................................................220 7.1.1.4 Problem summary ..........................................................221