This detailed volume examines the complex study of the assessment of in situ bioavailability and toxicity of organic chemicals in aquatic systems with a toolbox of reliable techniques. Beginning with a section on approaches for chemical analytical and bioanalytical techniques in bioavailability research, the book continues with methods to monitor effects in situ and conduct bioassays to assess the effects of complex environmental samples. It concludes with descriptions of various computational models. Written for the Methods in Pharmacology and Toxicology series, chapters feature the kind of expert implementation advice that leads to greater success in the field.