This is a PDF download of one of the chapters from the new Toxic Mold Litigation, Second Edition. It discusses in detail the science behind mold litigation. The book Toxic Mold Litigation, Second Edition is designed to assist both the seasoned litigator as well as the new associate in working up and litigating a mold claim. It reviews toxic mold cases, covers the science behind mold litigation and provides practical tips and strategies on assessing the claim and preparing for trial. It also covers the burgeoning issues involved with mold and insurance coverage, including detailed examinations of the First Party Policy and the Third Party Policy. The book includes numerous forms and checklists to assist in your litigation preparation and offers insightful anecdotal experience that will be of value to anyone "in the trenches." It has been years since the first edition of Toxic Mold Litigation published and there has been several interesting developments in the evolution of mold cases. This book is a practical reference for lawyers and non-lawyers that have felt the impact of mold upon commercial and residential real estate, whether from the vantage point of insurance, construction or ownership. It is written for lawyers and others who want to gain a common sense understanding of the current legal issues affecting today's brand of mold litigation.