This comprehensive manual outlines the techniques for solving the mystery of an environmental contamination catastrophe. The book begins with an overview of the path of an environmental case from its inception to court testimony. This analysis is followed by a review of the various scientific methods that have been used successfully in the past in solving environmental forensic cases. Detailed information is provided on chemical "fingerprinting" techniques applicable to ground water, soils, sediments, and air. Lastly, the scientific methods are examined from a legal perspective in a section on evidence and expert witnesses.